diff options
382 files changed, 5125 insertions, 2777 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd index db1ad7e34fc3..938ef71e2035 100644 --- a/Documentation/ABI/testing/sysfs-class-mtd +++ b/Documentation/ABI/testing/sysfs-class-mtd @@ -142,13 +142,14 @@ KernelVersion: 3.4 Contact: linux-mtd@lists.infradead.org Description: This allows the user to examine and adjust the criteria by which - mtd returns -EUCLEAN from mtd_read(). If the maximum number of - bit errors that were corrected on any single region comprising - an ecc step (as reported by the driver) equals or exceeds this - value, -EUCLEAN is returned. Otherwise, absent an error, 0 is - returned. Higher layers (e.g., UBI) use this return code as an - indication that an erase block may be degrading and should be - scrutinized as a candidate for being marked as bad. + mtd returns -EUCLEAN from mtd_read() and mtd_read_oob(). If the + maximum number of bit errors that were corrected on any single + region comprising an ecc step (as reported by the driver) equals + or exceeds this value, -EUCLEAN is returned. Otherwise, absent + an error, 0 is returned. Higher layers (e.g., UBI) use this + return code as an indication that an erase block may be + degrading and should be scrutinized as a candidate for being + marked as bad. The initial value may be specified by the flash device driver. If not, then the default value is ecc_strength. @@ -167,7 +168,7 @@ Description: block degradation, but high enough to avoid the consequences of a persistent return value of -EUCLEAN on devices where sticky bitflips occur. Note that if bitflip_threshold exceeds - ecc_strength, -EUCLEAN is never returned by mtd_read(). + ecc_strength, -EUCLEAN is never returned by the read operations. Conversely, if bitflip_threshold is zero, -EUCLEAN is always returned, absent a hard error. diff --git a/Documentation/ABI/testing/sysfs-kernel-iommu_groups b/Documentation/ABI/testing/sysfs-kernel-iommu_groups new file mode 100644 index 000000000000..9b31556cfdda --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-iommu_groups @@ -0,0 +1,14 @@ +What: /sys/kernel/iommu_groups/ +Date: May 2012 +KernelVersion: v3.5 +Contact: Alex Williamson <alex.williamson@redhat.com> +Description: /sys/kernel/iommu_groups/ contains a number of sub- + directories, each representing an IOMMU group. The + name of the sub-directory matches the iommu_group_id() + for the group, which is an integer value. Within each + subdirectory is another directory named "devices" with + links to the sysfs devices contained in this group. + The group directory also optionally contains a "name" + file if the IOMMU driver has chosen to register a more + common name for the group. +Users: diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 676bc46f9c52..cda0dfb6769a 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -3988,7 +3988,7 @@ interface and may change in the future.</para> from RGB to Y'CbCr color space. </entry> </row> - <row id = "v4l2-jpeg-chroma-subsampling"> + <row> <entrytbl spanname="descr" cols="2"> <tbody valign="top"> <row> diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml index e3d5afcdafbb..0a4b90fcf2da 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml @@ -284,13 +284,6 @@ These controls are described in <xref processing controls. These controls are described in <xref linkend="image-process-controls" />.</entry> </row> - <row> - <entry><constant>V4L2_CTRL_CLASS_JPEG</constant></entry> - <entry>0x9d0000</entry> - <entry>The class containing JPEG compression controls. -These controls are described in <xref - linkend="jpeg-controls" />.</entry> - </row> </tbody> </tgroup> </table> diff --git a/Documentation/devicetree/bindings/iommu/nvidia,tegra30-smmu.txt b/Documentation/devicetree/bindings/iommu/nvidia,tegra30-smmu.txt new file mode 100644 index 000000000000..89fb5434b730 --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/nvidia,tegra30-smmu.txt @@ -0,0 +1,21 @@ +NVIDIA Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit) + +Required properties: +- compatible : "nvidia,tegra30-smmu" +- reg : Should contain 3 register banks(address and length) for each + of the SMMU register blocks. +- interrupts : Should contain MC General interrupt. +- nvidia,#asids : # of ASIDs +- dma-window : IOVA start address and length. +- nvidia,ahb : phandle to the ahb bus connected to SMMU. + +Example: + smmu { + compatible = "nvidia,tegra30-smmu"; + reg = <0x7000f010 0x02c + 0x7000f1f0 0x010 + 0x7000f228 0x05c>; + nvidia,#asids = <4>; /* # of ASIDs */ + dma-window = <0 0x40000000>; /* IOVA start & length */ + nvidia,ahb = <&ahb>; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt index 82b43f915857..a4119f6422d9 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt @@ -1626,3 +1626,5 @@ MX6Q_PAD_SD2_DAT3__PCIE_CTRL_MUX_11 1587 MX6Q_PAD_SD2_DAT3__GPIO_1_12 1588 MX6Q_PAD_SD2_DAT3__SJC_DONE 1589 MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 1590 +MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID 1591 +MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID 1592 diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 506c7390c2b9..13f1aa09b938 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -86,7 +86,7 @@ There is also a gitweb interface available at http://www.kernel.org/git/?p=utils/kernel/kexec/kexec-tools.git More information about kexec-tools can be found at -http://www.kernel.org/pub/linux/utils/kernel/kexec/README.html +http://horms.net/projects/kexec/ 3) Unpack the tarball with the tar command, as follows: diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a92c5ebf373e..d2f4f7acc435 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1134,7 +1134,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. forcesac soft pt [x86, IA-64] - group_mf [x86, IA-64] io7= [HW] IO7 for Marvel based alpha systems diff --git a/MAINTAINERS b/MAINTAINERS index 03df1d15ebf3..fe643e7b9df6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3433,13 +3433,14 @@ S: Supported F: drivers/idle/i7300_idle.c IEEE 802.15.4 SUBSYSTEM +M: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> -M: Sergey Lapin <slapin@ossfans.org> L: linux-zigbee-devel@lists.sourceforge.net (moderated for non-subscribers) W: http://apps.sourceforge.net/trac/linux-zigbee T: git git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan.git S: Maintained F: net/ieee802154/ +F: net/mac802154/ F: drivers/ieee802154/ IIO SUBSYSTEM AND DRIVERS @@ -4857,6 +4858,7 @@ M: Kevin Hilman <khilman@ti.com> L: linux-omap@vger.kernel.org S: Maintained F: arch/arm/*omap*/*pm* +F: drivers/cpufreq/omap-cpufreq.c OMAP POWERDOMAIN/CLOCKDOMAIN SOC ADAPTATION LAYER SUPPORT M: Rajendra Nayak <rnayak@ti.com> @@ -5563,7 +5565,7 @@ F: Documentation/networking/LICENSE.qla3xxx F: drivers/net/ethernet/qlogic/qla3xxx.* QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER -M: Anirban Chakraborty <anirban.chakraborty@qlogic.com> +M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> M: Sony Chacko <sony.chacko@qlogic.com> M: linux-driver@qlogic.com L: netdev@vger.kernel.org @@ -5571,7 +5573,6 @@ S: Supported F: drivers/net/ethernet/qlogic/qlcnic/ QLOGIC QLGE 10Gb ETHERNET DRIVER -M: Anirban Chakraborty <anirban.chakraborty@qlogic.com> M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> M: Ron Mercer <ron.mercer@qlogic.com> M: linux-driver@qlogic.com @@ -5909,7 +5910,7 @@ M: Ingo Molnar <mingo@redhat.com> M: Peter Zijlstra <peterz@infradead.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core S: Maintained -F: kernel/sched* +F: kernel/sched/ F: include/linux/sched.h SCORE ARCHITECTURE @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 5 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index 10dcec7e7321..f7b84aced654 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -43,8 +43,8 @@ pmu { compatible = "arm,cortex-a9-pmu"; - interrupts = <0 8 0x04 - 0 9 0x04>; + interrupts = <0 6 0x04 + 0 7 0x04>; }; L2: l2-cache { @@ -119,8 +119,8 @@ gmac0: eth@e2000000 { compatible = "st,spear600-gmac"; reg = <0xe2000000 0x8000>; - interrupts = <0 23 0x4 - 0 24 0x4>; + interrupts = <0 33 0x4 + 0 34 0x4>; interrupt-names = "macirq", "eth_wake_irq"; status = "disabled"; }; @@ -202,6 +202,7 @@ kbd@e0300000 { compatible = "st,spear300-kbd"; reg = <0xe0300000 0x1000>; + interrupts = <0 52 0x4>; status = "disabled"; }; @@ -224,7 +225,7 @@ serial@e0000000 { compatible = "arm,pl011", "arm,primecell"; reg = <0xe0000000 0x1000>; - interrupts = <0 36 0x4>; + interrupts = <0 35 0x4>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts index c13fd1f3b09f..e4e912f95024 100644 --- a/arch/arm/boot/dts/spear320-evb.dts +++ b/arch/arm/boot/dts/spear320-evb.dts @@ -15,8 +15,8 @@ /include/ "spear320.dtsi" / { - model = "ST SPEAr300 Evaluation Board"; - compatible = "st,spear300-evb", "st,spear300"; + model = "ST SPEAr320 Evaluation Board"; + compatible = "st,spear320-evb", "st,spear320"; #address-cells = <1>; #size-cells = <1>; @@ -26,7 +26,7 @@ ahb { pinmux@b3000000 { - st,pinmux-mode = <3>; + st,pinmux-mode = <4>; pinctrl-names = "default"; pinctrl-0 = <&state_default>; diff --git a/arch/arm/boot/dts/spear600.dtsi b/arch/arm/boot/dts/spear600.dtsi index 089f0a42c50e..a3c36e47d7ef 100644 --- a/arch/arm/boot/dts/spear600.dtsi +++ b/arch/arm/boot/dts/spear600.dtsi @@ -181,6 +181,7 @@ timer@f0000000 { compatible = "st,spear-timer"; reg = <0xf0000000 0x400>; + interrupt-parent = <&vic0>; interrupts = <16>; }; }; diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index 9854ff4279e0..11828e632532 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -176,7 +176,6 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_DEVICEFS=y CONFIG_USB_SUSPEND=y CONFIG_USB_MON=y -CONFIG_USB_EHCI_HCD=y CONFIG_USB_WDM=y CONFIG_USB_STORAGE=y CONFIG_USB_LIBUSUAL=y diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index e9fafcf163de..373c3c00d24c 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -119,7 +119,9 @@ static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev, struct exynos_pm_domain *pd) { if (pdev->dev.bus) { - if (pm_genpd_add_device(&pd->pd, &pdev->dev)) + if (!pm_genpd_add_device(&pd->pd, &pdev->dev)) + pm_genpd_dev_need_restore(&pdev->dev, true); + else pr_info("%s: error in adding %s device to %s power" "domain\n", __func__, dev_name(&pdev->dev), pd->name); @@ -151,9 +153,12 @@ static __init int exynos4_pm_init_power_domain(void) if (of_have_populated_dt()) return exynos_pm_dt_parse_domains(); - for (idx = 0; idx < ARRAY_SIZE(exynos4_pm_domains); idx++) - pm_genpd_init(&exynos4_pm_domains[idx]->pd, NULL, - exynos4_pm_domains[idx]->is_off); + for (idx = 0; idx < ARRAY_SIZE(exynos4_pm_domains); idx++) { + struct exynos_pm_domain *pd = exynos4_pm_domains[idx]; + int on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN; + + pm_genpd_init(&pd->pd, NULL, !on); + } #ifdef CONFIG_S5P_DEV_FIMD0 exynos_pm_add_dev_to_genpd(&s5p_device_fimd0, &exynos4_pd_lcd0); diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index f7b58609bad8..6227e9505c2d 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -31,12 +31,16 @@ * * CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this * clockdomain. (Currently, this applies to OMAP3 clockdomains only.) + * CLKDM_ACTIVE_WITH_MPU: The PRCM guarantees that this clockdomain is + * active whenever the MPU is active. True for interconnects and + * the WKUP clockdomains. */ #define CLKDM_CAN_FORCE_SLEEP (1 << 0) #define CLKDM_CAN_FORCE_WAKEUP (1 << 1) #define CLKDM_CAN_ENABLE_AUTO (1 << 2) #define CLKDM_CAN_DISABLE_AUTO (1 << 3) #define CLKDM_NO_AUTODEPS (1 << 4) +#define CLKDM_ACTIVE_WITH_MPU (1 << 5) #define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO) #define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP) diff --git a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c index 839145e1cfbe..4972219653ce 100644 --- a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c +++ b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c @@ -88,4 +88,5 @@ struct clockdomain wkup_common_clkdm = { .name = "wkup_clkdm", .pwrdm = { .name = "wkup_pwrdm" }, .dep_bit = OMAP_EN_WKUP_SHIFT, + .flags = CLKDM_ACTIVE_WITH_MPU, }; diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index c53425847493..7f2133abe7d3 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -381,7 +381,7 @@ static struct clockdomain l4_wkup_44xx_clkdm = { .cm_inst = OMAP4430_PRM_WKUP_CM_INST, .clkdm_offs = OMAP4430_PRM_WKUP_CM_WKUP_CDOFFS, .dep_bit = OMAP4430_L4WKUP_STATDEP_SHIFT, - .flags = CLKDM_CAN_HWSUP, + .flags = CLKDM_CAN_HWSUP | CLKDM_ACTIVE_WITH_MPU, }; static struct clockdomain emu_sys_44xx_clkdm = { diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 773193670ea2..2d710f50fca2 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1124,15 +1124,18 @@ static struct omap_hwmod_addr_space * __init _find_mpu_rt_addr_space(struct omap * _enable_sysc - try to bring a module out of idle via OCP_SYSCONFIG * @oh: struct omap_hwmod * * - * If module is marked as SWSUP_SIDLE, force the module out of slave - * idle; otherwise, configure it for smart-idle. If module is marked - * as SWSUP_MSUSPEND, force the module out of master standby; - * otherwise, configure it for smart-standby. No return value. + * Ensure that the OCP_SYSCONFIG register for the IP block represented + * by @oh is set to indicate to the PRCM that the IP block is active. + * Usually this means placing the module into smart-idle mode and + * smart-standby, but if there is a bug in the automatic idle handling + * for the IP block, it may need to be placed into the force-idle or + * no-idle variants of these modes. No return value. */ static void _enable_sysc(struct omap_hwmod *oh) { u8 idlemode, sf; u32 v; + bool clkdm_act; if (!oh->class->sysc) return; @@ -1141,8 +1144,16 @@ static void _enable_sysc(struct omap_hwmod *oh) sf = oh->class->sysc->sysc_flags; if (sf & SYSC_HAS_SIDLEMODE) { - idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? - HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART; + clkdm_act = ((oh->clkdm && + oh->clkdm->flags & CLKDM_ACTIVE_WITH_MPU) || + (oh->_clk && oh->_clk->clkdm && + oh->_clk->clkdm->flags & CLKDM_ACTIVE_WITH_MPU)); + if (clkdm_act && !(oh->class->sysc->idlemodes & + (SIDLE_SMART | SIDLE_SMART_WKUP))) + idlemode = HWMOD_IDLEMODE_FORCE; + else + idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? + HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART; _set_slave_idlemode(oh, idlemode, &v); } @@ -1208,8 +1219,13 @@ static void _idle_sysc(struct omap_hwmod *oh) sf = oh->class->sysc->sysc_flags; if (sf & SYSC_HAS_SIDLEMODE) { - idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? - HWMOD_IDLEMODE_FORCE : HWMOD_IDLEMODE_SMART; + /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */ + if (oh->flags & HWMOD_SWSUP_SIDLE || + !(oh->class->sysc->idlemodes & + (SIDLE_SMART | SIDLE_SMART_WKUP))) + idlemode = HWMOD_IDLEMODE_FORCE; + else + idlemode = HWMOD_IDLEMODE_SMART; _set_slave_idlemode(oh, idlemode, &v); } diff --git a/arch/arm/mach-s3c24xx/clock-s3c2440.c b/arch/arm/mach-s3c24xx/clock-s3c2440.c index 414364eb426c..cb2883d553b5 100644 --- a/arch/arm/mach-s3c24xx/clock-s3c2440.c +++ b/arch/arm/mach-s3c24xx/clock-s3c2440.c @@ -106,7 +106,7 @@ static struct clk s3c2440_clk_cam_upll = { static struct clk s3c2440_clk_ac97 = { .name = "ac97", .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_CAMERA, + .ctrlbit = S3C2440_CLKCON_AC97, }; static unsigned long s3c2440_fclk_n_getrate(struct clk *clk) diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index e859fcdb3d58..fde0d23121dc 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -22,8 +22,13 @@ #include <mach/common.h> #include <mach/emev2.h> +#ifdef CONFIG_ARCH_SH73A0 #define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2() || \ of_machine_is_compatible("renesas,sh73a0")) +#else +#define is_sh73a0() (0) +#endif + #define is_r8a7779() machine_is_marzen() #ifdef CONFIG_ARCH_EMEV2 diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index 0f41bd1c47c3..66db5f13af84 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c @@ -87,7 +87,7 @@ void __init spear3xx_map_io(void) static void __init spear3xx_timer_init(void) { - char pclk_name[] = "pll3_48m_clk"; + char pclk_name[] = "pll3_clk"; struct clk *gpt_clk, *pclk; spear3xx_clk_init(); diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index 2e2e3596583e..9af67d003c62 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c @@ -423,7 +423,7 @@ void __init spear6xx_map_io(void) static void __init spear6xx_timer_init(void) { - char pclk_name[] = "pll3_48m_clk"; + char pclk_name[] = "pll3_clk"; struct clk *gpt_clk, *pclk; spear6xx_clk_init(); diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 1509a3cb5833..4fd93f5c49ec 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -625,11 +625,6 @@ static struct platform_device *snowball_platform_devs[] __initdata = { &ab8500_device, }; -static struct platform_device *snowball_of_platform_devs[] __initdata = { - &snowball_led_dev, - &snowball_key_dev, -}; - static void __init mop500_init_machine(void) { struct device *parent = NULL; @@ -769,6 +764,11 @@ MACHINE_END #ifdef CONFIG_MACH_UX500_DT +static struct platform_device *snowball_of_platform_devs[] __initdata = { + &snowball_led_dev, + &snowball_key_dev, +}; + struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { /* Requires DMA and call-back bindings. */ OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat), @@ -786,6 +786,8 @@ struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e000, "gpio.6", NULL), OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e080, "gpio.7", NULL), OF_DEV_AUXDATA("st,nomadik-gpio", 0xa03fe000, "gpio.8", NULL), + /* Requires device name bindings. */ + OF_DEV_AUXDATA("stericsson,nmk_pinctrl", 0, "pinctrl-db8500", NULL), {}, }; diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c index 741e71feca78..66e7f00884ab 100644 --- a/arch/arm/mach-ux500/timer.c +++ b/arch/arm/mach-ux500/timer.c @@ -63,8 +63,10 @@ static void __init ux500_timer_init(void) /* TODO: Once MTU has been DT:ed place code above into else. */ if (of_have_populated_dt()) { +#ifdef CONFIG_OF np = of_find_matching_node(NULL, prcmu_timer_of_match); if (!np) +#endif goto dt_fail; tmp_base = of_iomap(np, 0); diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 4044abcf6f9d..655878bcc96d 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1091,7 +1091,7 @@ error: while (--i) if (pages[i]) __free_pages(pages[i], 0); - if (array_size < PAGE_SIZE) + if (array_size <= PAGE_SIZE) kfree(pages); else vfree(pages); @@ -1106,7 +1106,7 @@ static int __iommu_free_buffer(struct device *dev, struct page **pages, size_t s for (i = 0; i < count; i++) if (pages[i]) __free_pages(pages[i], 0); - if (array_size < PAGE_SIZE) + if (array_size <= PAGE_SIZE) kfree(pages); else vfree(pages); diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index 33ecd0c9f0c3..b1e05ccff3ac 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -157,11 +157,13 @@ int s3c_adc_start(struct s3c_adc_client *client, return -EINVAL; } - if (client->is_ts && adc->ts_pend) - return -EAGAIN; - spin_lock_irqsave(&adc->lock, flags); + if (client->is_ts && adc->ts_pend) { + spin_unlock_irqrestore(&adc->lock, flags); + return -EAGAIN; + } + client->channel = channel; client->nr_samples = nr_samples; diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 1d214cb9d770..6303974c2ee0 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -126,7 +126,8 @@ struct platform_device s3c_device_adc = { #ifdef CONFIG_CPU_S3C2440 static struct resource s3c_camif_resource[] = { [0] = DEFINE_RES_MEM(S3C2440_PA_CAMIF, S3C2440_SZ_CAMIF), - [1] = DEFINE_RES_IRQ(IRQ_CAM), + [1] = DEFINE_RES_IRQ(IRQ_S3C2440_CAM_C), + [2] = DEFINE_RES_IRQ(IRQ_S3C2440_CAM_P), }; struct platform_device s3c_device_camif = { diff --git a/arch/arm/plat-samsung/s5p-clock.c b/arch/arm/plat-samsung/s5p-clock.c index 031a61899bef..48a159911037 100644 --- a/arch/arm/plat-samsung/s5p-clock.c +++ b/arch/arm/plat-samsung/s5p-clock.c @@ -37,6 +37,7 @@ struct clk clk_ext_xtal_mux = { struct clk clk_xusbxti = { .name = "xusbxti", .id = -1, + .rate = 24000000, }; struct clk s5p_clk_27m = { diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h index a09230a08e02..62ef17676b40 100644 --- a/arch/h8300/include/asm/pgtable.h +++ b/arch/h8300/include/asm/pgtable.h @@ -70,4 +70,7 @@ extern int is_in_rom(unsigned long); #define VMALLOC_END 0xffffffff #define arch_enter_lazy_cpu_mode() do {} while (0) + +#include <asm-generic/pgtable.h> + #endif /* _H8300_PGTABLE_H */ diff --git a/arch/h8300/include/asm/uaccess.h b/arch/h8300/include/asm/uaccess.h index 356068cd0879..8725d1ad4272 100644 --- a/arch/h8300/include/asm/uaccess.h +++ b/arch/h8300/include/asm/uaccess.h @@ -100,7 +100,6 @@ extern int __put_user_bad(void); break; \ default: \ __gu_err = __get_user_bad(); \ - __gu_val = 0; \ break; \ } \ (x) = __gu_val; \ @@ -159,4 +158,6 @@ clear_user(void *to, unsigned long n) return 0; } +#define __clear_user clear_user + #endif /* _H8300_UACCESS_H */ diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index fca10378701b..5adaadaf9218 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -447,7 +447,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -statis void do_signal(struct pt_regs *regs) +static void do_signal(struct pt_regs *regs) { siginfo_t info; int signr; diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index 32263a138aa6..e0f74191d553 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -27,6 +27,7 @@ #include <linux/profile.h> #include <asm/io.h> +#include <asm/irq_regs.h> #include <asm/timer.h> #define TICK_SIZE (tick_nsec / 1000) diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h index b6a809fa2995..105c93b00b1b 100644 --- a/arch/ia64/include/asm/iommu.h +++ b/arch/ia64/include/asm/iommu.h @@ -11,12 +11,10 @@ extern void no_iommu_init(void); extern int force_iommu, no_iommu; extern int iommu_pass_through; extern int iommu_detected; -extern int iommu_group_mf; #else #define iommu_pass_through (0) #define no_iommu (1) #define iommu_detected (0) -#define iommu_group_mf (0) #endif extern void iommu_dma_init(void); extern void machvec_init(const char *name); diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 7cdc89b2483c..1ddcfe5ef353 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -32,7 +32,6 @@ int force_iommu __read_mostly; #endif int iommu_pass_through; -int iommu_group_mf; /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile index 177716b1d613..01729c2979ba 100644 --- a/arch/m32r/boot/compressed/Makefile +++ b/arch/m32r/boot/compressed/Makefile @@ -43,9 +43,9 @@ endif OBJCOPYFLAGS += -R .empty_zero_page -suffix_$(CONFIG_KERNEL_GZIP) = gz -suffix_$(CONFIG_KERNEL_BZIP2) = bz2 -suffix_$(CONFIG_KERNEL_LZMA) = lzma +suffix-$(CONFIG_KERNEL_GZIP) = gz +suffix-$(CONFIG_KERNEL_BZIP2) = bz2 +suffix-$(CONFIG_KERNEL_LZMA) = lzma $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE $(call if_changed,ld) diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c index 370d60881977..28a09529f206 100644 --- a/arch/m32r/boot/compressed/misc.c +++ b/arch/m32r/boot/compressed/misc.c @@ -28,7 +28,7 @@ static unsigned long free_mem_ptr; static unsigned long free_mem_end_ptr; #ifdef CONFIG_KERNEL_BZIP2 -static void *memset(void *s, int c, size_t n) +void *memset(void *s, int c, size_t n) { char *ss = s; @@ -39,6 +39,16 @@ static void *memset(void *s, int c, size_t n) #endif #ifdef CONFIG_KERNEL_GZIP +void *memcpy(void *dest, const void *src, size_t n) +{ + char *d = dest; + const char *s = src; + while (n--) + *d++ = *s++; + + return dest; +} + #define BOOT_HEAP_SIZE 0x10000 #include "../../../../lib/decompress_inflate.c" #endif diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h index 527527584dd0..4313aa62b51b 100644 --- a/arch/m32r/include/asm/ptrace.h +++ b/arch/m32r/include/asm/ptrace.h @@ -113,9 +113,6 @@ struct pt_regs { #define PTRACE_OLDSETOPTIONS 21 -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 - #ifdef __KERNEL__ #include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */ diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index 4c03361537aa..51f5e9aa4901 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -591,17 +591,16 @@ void user_enable_single_step(struct task_struct *child) if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0) != sizeof(insn)) - return -EIO; + return; compute_next_pc(insn, pc, &next_pc, child); if (next_pc & 0x80000000) - return -EIO; + return; if (embed_debug_trap(child, next_pc)) - return -EIO; + return; invalidate_cache(); - return 0; } void user_disable_single_step(struct task_struct *child) diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index f3fb2c029cfc..d0f60b97bbc5 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -286,7 +286,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, case -ERESTARTNOINTR: regs->r0 = regs->orig_r0; if (prev_insn(regs) < 0) - return -EFAULT; + return; } } diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 09ab87ee6fef..b3e10fdd3898 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -288,6 +288,7 @@ config MIPS_MALTA select SYS_HAS_CPU_MIPS32_R1 select SYS_HAS_CPU_MIPS32_R2 select SYS_HAS_CPU_MIPS64_R1 + select SYS_HAS_CPU_MIPS64_R2 select SYS_HAS_CPU_NEVADA select SYS_HAS_CPU_RM7000 select SYS_HAS_EARLY_PRINTK @@ -1423,6 +1424,7 @@ config CPU_SB1 config CPU_CAVIUM_OCTEON bool "Cavium Octeon processor" depends on SYS_HAS_CPU_CAVIUM_OCTEON + select ARCH_SPARSEMEM_ENABLE select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_SMP diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index 6210b8d84109..b311be45a720 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -21,6 +21,7 @@ config BCM47XX_BCMA select BCMA select BCMA_HOST_SOC select BCMA_DRIVER_MIPS + select BCMA_HOST_PCI if PCI select BCMA_DRIVER_PCI_HOSTMODE if PCI default y help diff --git a/arch/mips/bcm63xx/dev-pcmcia.c b/arch/mips/bcm63xx/dev-pcmcia.c index de4d917fd54d..a551bab5ecb9 100644 --- a/arch/mips/bcm63xx/dev-pcmcia.c +++ b/arch/mips/bcm63xx/dev-pcmcia.c @@ -79,11 +79,11 @@ static int __init config_pcmcia_cs(unsigned int cs, return ret; } -static const __initdata struct { +static const struct { unsigned int cs; unsigned int base; unsigned int size; -} pcmcia_cs[3] = { +} pcmcia_cs[3] __initconst = { { .cs = MPI_CS_PCMCIA_COMMON, .base = BCM_PCMCIA_COMMON_BASE_PA, diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig index f9e275a50d98..2f4f6d5e05b6 100644 --- a/arch/mips/cavium-octeon/Kconfig +++ b/arch/mips/cavium-octeon/Kconfig @@ -82,10 +82,6 @@ config CAVIUM_OCTEON_LOCK_L2_MEMCPY help Lock the kernel's implementation of memcpy() into L2. -config ARCH_SPARSEMEM_ENABLE - def_bool y - select SPARSEMEM_STATIC - config IOMMU_HELPER bool diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 4b93048044eb..ee1fb9f7f517 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -185,7 +185,6 @@ static void __cpuinit octeon_init_secondary(void) octeon_init_cvmcount(); octeon_irq_setup_secondary(); - raw_local_irq_enable(); } /** @@ -233,6 +232,7 @@ static void octeon_smp_finish(void) /* to generate the first CPU timer interrupt */ write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ); + local_irq_enable(); } /** diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index 2e1ad4c652b7..82ad35ce2b45 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -17,7 +17,6 @@ #include <linux/irqflags.h> #include <linux/types.h> #include <asm/barrier.h> -#include <asm/bug.h> #include <asm/byteorder.h> /* sigh ... */ #include <asm/cpu-features.h> #include <asm/sgidefs.h> diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index 285a41fa0b18..eee10dc07ac1 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -8,6 +8,7 @@ #ifndef __ASM_CMPXCHG_H #define __ASM_CMPXCHG_H +#include <linux/bug.h> #include <linux/irqflags.h> #include <asm/war.h> diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index f9fa2a479dd0..95e40c1e8ed1 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -94,6 +94,7 @@ #define PRID_IMP_24KE 0x9600 #define PRID_IMP_74K 0x9700 #define PRID_IMP_1004K 0x9900 +#define PRID_IMP_M14KC 0x9c00 /* * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE @@ -260,12 +261,12 @@ enum cpu_type_enum { */ CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, - CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, + CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_M14KC, /* * MIPS64 class processors */ - CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, + CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, CPU_CAVIUM_OCTEON2, CPU_XLR, CPU_XLP, @@ -288,7 +289,7 @@ enum cpu_type_enum { #define MIPS_CPU_ISA_M64R2 0x00000100 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \ - MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 ) + MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2) #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \ MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2) diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index 86548da650e7..991b659e2548 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -206,7 +206,7 @@ #define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100 #define GIC_VPE_EIC_SS(intr) \ - (GIC_EIC_SHADOW_SET_BASE + (4 * intr)) + (GIC_VPE_EIC_SHADOW_SET_BASE + (4 * intr)) #define GIC_VPE_EIC_VEC_BASE 0x0800 #define GIC_VPE_EIC_VEC(intr) \ @@ -330,6 +330,17 @@ struct gic_intr_map { #define GIC_FLAG_TRANSPARENT 0x02 }; +/* + * This is only used in EIC mode. This helps to figure out which + * shared interrupts we need to process when we get a vector interrupt. + */ +#define GIC_MAX_SHARED_INTR 0x5 +struct gic_shared_intr_map { + unsigned int num_shared_intr; + unsigned int intr_list[GIC_MAX_SHARED_INTR]; + unsigned int local_intr_mask; +}; + extern void gic_init(unsigned long gic_base_addr, unsigned long gic_addrspace_size, struct gic_intr_map *intrmap, unsigned int intrmap_size, unsigned int irqbase); @@ -338,5 +349,7 @@ extern unsigned int gic_get_int(void); extern void gic_send_ipi(unsigned int intr); extern unsigned int plat_ipi_call_int_xlate(unsigned int); extern unsigned int plat_ipi_resched_int_xlate(unsigned int); +extern void gic_bind_eic_interrupt(int irq, int set); +extern unsigned int gic_get_timer_pending(void); #endif /* _ASM_GICREGS_H */ diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h index 7ebfc392e58d..ab84064283db 100644 --- a/arch/mips/include/asm/inst.h +++ b/arch/mips/include/asm/inst.h @@ -251,7 +251,7 @@ struct f_format { /* FPU register format */ unsigned int func : 6; }; -struct ma_format { /* FPU multipy and add format (MIPS IV) */ +struct ma_format { /* FPU multiply and add format (MIPS IV) */ unsigned int opcode : 6; unsigned int fr : 5; unsigned int ft : 5; @@ -324,7 +324,7 @@ struct f_format { /* FPU register format */ unsigned int opcode : 6; }; -struct ma_format { /* FPU multipy and add format (MIPS IV) */ +struct ma_format { /* FPU multiply and add format (MIPS IV) */ unsigned int fmt : 2; unsigned int func : 4; unsigned int fd : 5; diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index a58f22998a86..29d9c23c20c7 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -17,6 +17,7 @@ #include <linux/types.h> #include <asm/addrspace.h> +#include <asm/bug.h> #include <asm/byteorder.h> #include <asm/cpu.h> #include <asm/cpu-features.h> diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index fb698dc09bc9..78dbb8a86da2 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -136,6 +136,7 @@ extern void free_irqno(unsigned int irq); * IE7. Since R2 their number has to be read from the c0_intctl register. */ #define CP0_LEGACY_COMPARE_IRQ 7 +#define CP0_LEGACY_PERFCNT_IRQ 7 extern int cp0_compare_irq; extern int cp0_compare_irq_shift; diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index 94d4faad29a1..fdcd78ca1b03 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -99,7 +99,7 @@ #define CKCTL_6368_USBH_CLK_EN (1 << 15) #define CKCTL_6368_DISABLE_GLESS_EN (1 << 16) #define CKCTL_6368_NAND_CLK_EN (1 << 17) -#define CKCTL_6368_IPSEC_CLK_EN (1 << 17) +#define CKCTL_6368_IPSEC_CLK_EN (1 << 18) #define CKCTL_6368_ALL_SAFE_EN (CKCTL_6368_SWPKT_USB_EN | \ CKCTL_6368_SWPKT_SAR_EN | \ diff --git a/arch/mips/include/asm/mips-boards/maltaint.h b/arch/mips/include/asm/mips-boards/maltaint.h index d11aa02a956a..5447d9fc4219 100644 --- a/arch/mips/include/asm/mips-boards/maltaint.h +++ b/arch/mips/include/asm/mips-boards/maltaint.h @@ -86,6 +86,16 @@ #define GIC_CPU_INT4 4 /* . */ #define GIC_CPU_INT5 5 /* Core Interrupt 5 */ +/* MALTA GIC local interrupts */ +#define GIC_INT_TMR (GIC_CPU_INT5) +#define GIC_INT_PERFCTR (GIC_CPU_INT5) + +/* GIC constants */ +/* Add 2 to convert non-eic hw int # to eic vector # */ +#define GIC_CPU_TO_VEC_OFFSET (2) +/* If we map an intr to pin X, GIC will actually generate vector X+1 */ +#define GIC_PIN_TO_VEC_OFFSET (1) + #define GIC_EXT_INTR(x) x /* External Interrupts used for IPI */ diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h index c9420aa97e32..e71ff4c317f2 100644 --- a/arch/mips/include/asm/mipsmtregs.h +++ b/arch/mips/include/asm/mipsmtregs.h @@ -48,7 +48,7 @@ #define CP0_VPECONF0 $1, 2 #define CP0_VPECONF1 $1, 3 #define CP0_YQMASK $1, 4 -#define CP0_VPESCHEDULE $1, 5 +#define CP0_VPESCHEDULE $1, 5 #define CP0_VPESCHEFBK $1, 6 #define CP0_TCSTATUS $2, 1 #define CP0_TCBIND $2, 2 diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h index 5d33621b5658..4f8ddba8c360 100644 --- a/arch/mips/include/asm/switch_to.h +++ b/arch/mips/include/asm/switch_to.h @@ -22,7 +22,7 @@ struct task_struct; * switch_to(n) should switch tasks to task nr n, first * checking that n isn't the current task, in which case it does nothing. */ -extern asmlinkage void *resume(void *last, void *next, void *next_ti); +extern asmlinkage void *resume(void *last, void *next, void *next_ti, u32 __usedfpu); extern unsigned int ll_bit; extern struct task_struct *ll_task; @@ -66,11 +66,13 @@ do { \ #define switch_to(prev, next, last) \ do { \ + u32 __usedfpu; \ __mips_mt_fpaff_switch_to(prev); \ if (cpu_has_dsp) \ __save_dsp(prev); \ __clear_software_ll_bit(); \ - (last) = resume(prev, next, task_thread_info(next)); \ + __usedfpu = test_and_clear_tsk_thread_flag(prev, TIF_USEDFPU); \ + (last) = resume(prev, next, task_thread_info(next), __usedfpu); \ } while (0) #define finish_arch_switch(prev) \ diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index e2eca7d10598..ca97e0ecb64b 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -60,6 +60,8 @@ struct thread_info { register struct thread_info *__current_thread_info __asm__("$28"); #define current_thread_info() __current_thread_info +#endif /* !__ASSEMBLY__ */ + /* thread information allocation */ #if defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_32BIT) #define THREAD_SIZE_ORDER (1) @@ -85,8 +87,6 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define STACK_WARN (THREAD_SIZE / 8) -#endif /* !__ASSEMBLY__ */ - #define PREEMPT_ACTIVE 0x10000000 /* diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 6ae7ce4ac63e..f4630e1082ab 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -4,7 +4,7 @@ * Copyright (C) xxxx the Anonymous * Copyright (C) 1994 - 2006 Ralf Baechle * Copyright (C) 2003, 2004 Maciej W. Rozycki - * Copyright (C) 2001, 2004 MIPS Inc. + * Copyright (C) 2001, 2004, 2011, 2012 MIPS Technologies, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -199,6 +199,7 @@ void __init check_wait(void) cpu_wait = rm7k_wait_irqoff; break; + case CPU_M14KC: case CPU_24K: case CPU_34K: case CPU_1004K: @@ -810,6 +811,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) c->cputype = CPU_5KC; __cpu_name[cpu] = "MIPS 5Kc"; break; + case PRID_IMP_5KE: + c->cputype = CPU_5KE; + __cpu_name[cpu] = "MIPS 5KE"; + break; case PRID_IMP_20KC: c->cputype = CPU_20KC; __cpu_name[cpu] = "MIPS 20Kc"; @@ -831,6 +836,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) c->cputype = CPU_74K; __cpu_name[cpu] = "MIPS 74Kc"; break; + case PRID_IMP_M14KC: + c->cputype = CPU_M14KC; + __cpu_name[cpu] = "MIPS M14Kc"; + break; case PRID_IMP_1004K: c->cputype = CPU_1004K; __cpu_name[cpu] = "MIPS 1004Kc"; diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index 57ba13edb03a..3fc1691110dc 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -5,7 +5,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 97, 98, 99, 2000, 01, 03, 04, 05 by Ralf Baechle + * Copyright (C) 1996, 97, 98, 99, 2000, 01, 03, 04, 05, 12 by Ralf Baechle * Copyright (C) 1999, 2000, 01 Silicon Graphics, Inc. */ #include <linux/interrupt.h> @@ -35,6 +35,12 @@ EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(kernel_thread); /* + * Functions that operate on entire pages. Mostly used by memory management. + */ +EXPORT_SYMBOL(clear_page); +EXPORT_SYMBOL(copy_page); + +/* * Userspace access stuff. */ EXPORT_SYMBOL(__copy_user); diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S index ce89c8061708..0441f54b2a6a 100644 --- a/arch/mips/kernel/octeon_switch.S +++ b/arch/mips/kernel/octeon_switch.S @@ -31,7 +31,7 @@ /* * task_struct *resume(task_struct *prev, task_struct *next, - * struct thread_info *next_ti) + * struct thread_info *next_ti, int usedfpu) */ .align 7 LEAF(resume) diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index f29099b104c4..eb5e394a4650 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -162,11 +162,6 @@ static unsigned int counters_total_to_per_cpu(unsigned int counters) return counters >> vpe_shift(); } -static unsigned int counters_per_cpu_to_total(unsigned int counters) -{ - return counters << vpe_shift(); -} - #else /* !CONFIG_MIPS_MT_SMP */ #define vpe_id() 0 diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 293898391e67..9c51be5a163a 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -43,7 +43,7 @@ /* * task_struct *resume(task_struct *prev, task_struct *next, - * struct thread_info *next_ti) ) + * struct thread_info *next_ti, int usedfpu) */ LEAF(resume) mfc0 t1, CP0_STATUS @@ -51,18 +51,9 @@ LEAF(resume) cpu_save_nonscratch a0 sw ra, THREAD_REG31(a0) - /* - * check if we need to save FPU registers - */ - lw t3, TASK_THREAD_INFO(a0) - lw t0, TI_FLAGS(t3) - li t1, _TIF_USEDFPU - and t2, t0, t1 - beqz t2, 1f - nor t1, zero, t1 + beqz a3, 1f - and t0, t0, t1 - sw t0, TI_FLAGS(t3) + PTR_L t3, TASK_THREAD_INFO(a0) /* * clear saved user stack CU1 bit diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index 9414f9354469..42d2a3938420 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -41,7 +41,7 @@ /* * task_struct *resume(task_struct *prev, task_struct *next, - * struct thread_info *next_ti) + * struct thread_info *next_ti, int usedfpu) */ .align 5 LEAF(resume) @@ -53,16 +53,10 @@ /* * check if we need to save FPU registers */ - PTR_L t3, TASK_THREAD_INFO(a0) - LONG_L t0, TI_FLAGS(t3) - li t1, _TIF_USEDFPU - and t2, t0, t1 - beqz t2, 1f - nor t1, zero, t1 - and t0, t0, t1 - LONG_S t0, TI_FLAGS(t3) + beqz a3, 1f + PTR_L t3, TASK_THREAD_INFO(a0) /* * clear saved user stack CU1 bit */ diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 3046e2986006..8e393b8443f7 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -15,7 +15,6 @@ #include <linux/smp.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/init.h> #include <linux/cpu.h> #include <linux/cpumask.h> #include <linux/reboot.h> @@ -197,13 +196,6 @@ static void bmips_init_secondary(void) write_c0_brcm_action(ACTION_CLR_IPI(smp_processor_id(), 0)); #endif - - /* make sure there won't be a timer interrupt for a little while */ - write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ); - - irq_enable_hazard(); - set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ1 | IE_IRQ5 | ST0_IE); - irq_enable_hazard(); } /* @@ -212,6 +204,13 @@ static void bmips_init_secondary(void) static void bmips_smp_finish(void) { pr_info("SMP: CPU%d is running\n", smp_processor_id()); + + /* make sure there won't be a timer interrupt for a little while */ + write_c0_compare(read_c0_count() + mips_hpt_frequency / HZ); + + irq_enable_hazard(); + set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ1 | IE_IRQ5 | ST0_IE); + irq_enable_hazard(); } /* diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 48650c818040..1268392f1d27 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -122,13 +122,21 @@ asmlinkage __cpuinit void start_secondary(void) notify_cpu_starting(cpu); - mp_ops->smp_finish(); + set_cpu_online(cpu, true); + set_cpu_sibling_map(cpu); cpu_set(cpu, cpu_callin_map); synchronise_count_slave(); + /* + * irq will be enabled in ->smp_finish(), enabling it too early + * is dangerous. + */ + WARN_ON_ONCE(!irqs_disabled()); + mp_ops->smp_finish(); + cpu_idle(); } @@ -196,8 +204,6 @@ int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) while (!cpu_isset(cpu, cpu_callin_map)) udelay(100); - set_cpu_online(cpu, true); - return 0; } diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index f5dd38f1d015..15b5f3cfd20c 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -322,7 +322,7 @@ int __init smtc_build_cpu_map(int start_cpu_slot) /* * Common setup before any secondaries are started - * Make sure all CPU's are in a sensible state before we boot any of the + * Make sure all CPUs are in a sensible state before we boot any of the * secondaries. * * For MIPS MT "SMTC" operation, we set up all TCs, spread as evenly @@ -340,12 +340,12 @@ static void smtc_tc_setup(int vpe, int tc, int cpu) /* * TCContext gets an offset from the base of the IPIQ array * to be used in low-level code to detect the presence of - * an active IPI queue + * an active IPI queue. */ write_tc_c0_tccontext((sizeof(struct smtc_ipi_q) * cpu) << 16); /* Bind tc to vpe */ write_tc_c0_tcbind(vpe); - /* In general, all TCs should have the same cpu_data indications */ + /* In general, all TCs should have the same cpu_data indications. */ memcpy(&cpu_data[cpu], &cpu_data[0], sizeof(struct cpuinfo_mips)); /* For 34Kf, start with TC/CPU 0 as sole owner of single FPU context */ if (cpu_data[0].cputype == CPU_34K || @@ -358,8 +358,8 @@ static void smtc_tc_setup(int vpe, int tc, int cpu) } /* - * Tweak to get Count registes in as close a sync as possible. - * Value seems good for 34K-class cores. + * Tweak to get Count registes in as close a sync as possible. The + * value seems good for 34K-class cores. */ #define CP0_SKEW 8 @@ -615,7 +615,6 @@ void __cpuinit smtc_boot_secondary(int cpu, struct task_struct *idle) void smtc_init_secondary(void) { - local_irq_enable(); } void smtc_smp_finish(void) @@ -631,6 +630,8 @@ void smtc_smp_finish(void) if (cpu > 0 && (cpu_data[cpu].vpe_id != cpu_data[cpu - 1].vpe_id)) write_c0_compare(read_c0_count() + mips_hpt_frequency/HZ); + local_irq_enable(); + printk("TC %d going on-line as CPU %d\n", cpu_data[smp_processor_id()].tc_id, smp_processor_id()); } diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c index 99f913c8d7a6..842d55e411fd 100644 --- a/arch/mips/kernel/sync-r4k.c +++ b/arch/mips/kernel/sync-r4k.c @@ -111,7 +111,6 @@ void __cpuinit synchronise_count_master(void) void __cpuinit synchronise_count_slave(void) { int i; - unsigned long flags; unsigned int initcount; int ncpus; @@ -123,8 +122,6 @@ void __cpuinit synchronise_count_slave(void) return; #endif - local_irq_save(flags); - /* * Not every cpu is online at the time this gets called, * so we first wait for the master to say everyone is ready @@ -154,7 +151,5 @@ void __cpuinit synchronise_count_slave(void) } /* Arrange for an interrupt in a short while */ write_c0_compare(read_c0_count() + COUNTON); - - local_irq_restore(flags); } #undef NR_LOOPS diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2d0c2a277f52..c3c293543703 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -132,6 +132,9 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) unsigned long ra = regs->regs[31]; unsigned long pc = regs->cp0_epc; + if (!task) + task = current; + if (raw_show_trace || !__kernel_text_address(pc)) { show_raw_backtrace(sp); return; @@ -1249,6 +1252,7 @@ static inline void parity_protection_init(void) break; case CPU_5KC: + case CPU_5KE: write_c0_ecc(0x80000000); back_to_back_c0_hazard(); /* Set the PE bit (bit 31) in the c0_errctl register. */ @@ -1498,6 +1502,7 @@ extern void flush_tlb_handlers(void); * Timer interrupt */ int cp0_compare_irq; +EXPORT_SYMBOL_GPL(cp0_compare_irq); int cp0_compare_irq_shift; /* @@ -1597,7 +1602,7 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu) cp0_perfcount_irq = -1; } else { cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; - cp0_compare_irq_shift = cp0_compare_irq; + cp0_compare_irq_shift = CP0_LEGACY_PERFCNT_IRQ; cp0_perfcount_irq = -1; } diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 924da5eb7031..df243a64f430 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -1,5 +1,6 @@ #include <asm/asm-offsets.h> #include <asm/page.h> +#include <asm/thread_info.h> #include <asm-generic/vmlinux.lds.h> #undef mips @@ -72,7 +73,7 @@ SECTIONS .data : { /* Data */ . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */ - INIT_TASK_DATA(PAGE_SIZE) + INIT_TASK_DATA(THREAD_SIZE) NOSAVE_DATA CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index 4aa20280613e..fd6203f14f1f 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -3,8 +3,8 @@ # obj-y += cache.o dma-default.o extable.o fault.o \ - gup.o init.o mmap.o page.o tlbex.o \ - tlbex-fault.o uasm.o + gup.o init.o mmap.o page.o page-funcs.o \ + tlbex.o tlbex-fault.o uasm.o obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o obj-$(CONFIG_64BIT) += pgtable-64.o diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 5109be96d98d..f092c265dc63 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -977,7 +977,7 @@ static void __cpuinit probe_pcache(void) c->icache.linesz = 2 << lsize; else c->icache.linesz = lsize; - c->icache.sets = 64 << ((config1 >> 22) & 7); + c->icache.sets = 32 << (((config1 >> 22) + 1) & 7); c->icache.ways = 1 + ((config1 >> 16) & 7); icache_size = c->icache.sets * @@ -997,7 +997,7 @@ static void __cpuinit probe_pcache(void) c->dcache.linesz = 2 << lsize; else c->dcache.linesz= lsize; - c->dcache.sets = 64 << ((config1 >> 13) & 7); + c->dcache.sets = 32 << (((config1 >> 13) + 1) & 7); c->dcache.ways = 1 + ((config1 >> 7) & 7); dcache_size = c->dcache.sets * @@ -1051,6 +1051,7 @@ static void __cpuinit probe_pcache(void) case CPU_R14000: break; + case CPU_M14KC: case CPU_24K: case CPU_34K: case CPU_74K: diff --git a/arch/mips/mm/page-funcs.S b/arch/mips/mm/page-funcs.S new file mode 100644 index 000000000000..48a6b38ff13e --- /dev/null +++ b/arch/mips/mm/page-funcs.S @@ -0,0 +1,50 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Micro-assembler generated clear_page/copy_page functions. + * + * Copyright (C) 2012 MIPS Technologies, Inc. + * Copyright (C) 2012 Ralf Baechle <ralf@linux-mips.org> + */ +#include <asm/asm.h> +#include <asm/regdef.h> + +#ifdef CONFIG_SIBYTE_DMA_PAGEOPS +#define cpu_clear_page_function_name clear_page_cpu +#define cpu_copy_page_function_name copy_page_cpu +#else +#define cpu_clear_page_function_name clear_page +#define cpu_copy_page_function_name copy_page +#endif + +/* + * Maximum sizes: + * + * R4000 128 bytes S-cache: 0x058 bytes + * R4600 v1.7: 0x05c bytes + * R4600 v2.0: 0x060 bytes + * With prefetching, 16 word strides 0x120 bytes + */ +EXPORT(__clear_page_start) +LEAF(cpu_clear_page_function_name) +1: j 1b /* Dummy, will be replaced. */ + .space 288 +END(cpu_clear_page_function_name) +EXPORT(__clear_page_end) + +/* + * Maximum sizes: + * + * R4000 128 bytes S-cache: 0x11c bytes + * R4600 v1.7: 0x080 bytes + * R4600 v2.0: 0x07c bytes + * With prefetching, 16 word strides 0x540 bytes + */ +EXPORT(__copy_page_start) +LEAF(cpu_copy_page_function_name) +1: j 1b /* Dummy, will be replaced. */ + .space 1344 +END(cpu_copy_page_function_name) +EXPORT(__copy_page_end) diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index cc0b626858b3..98f530e18216 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -6,6 +6,7 @@ * Copyright (C) 2003, 04, 05 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2007 Maciej W. Rozycki * Copyright (C) 2008 Thiemo Seufer + * Copyright (C) 2012 MIPS Technologies, Inc. */ #include <linux/init.h> #include <linux/kernel.h> @@ -71,45 +72,6 @@ static struct uasm_reloc __cpuinitdata relocs[5]; #define cpu_is_r4600_v1_x() ((read_c0_prid() & 0xfffffff0) == 0x00002010) #define cpu_is_r4600_v2_x() ((read_c0_prid() & 0xfffffff0) == 0x00002020) -/* - * Maximum sizes: - * - * R4000 128 bytes S-cache: 0x058 bytes - * R4600 v1.7: 0x05c bytes - * R4600 v2.0: 0x060 bytes - * With prefetching, 16 word strides 0x120 bytes - */ - -static u32 clear_page_array[0x120 / 4]; - -#ifdef CONFIG_SIBYTE_DMA_PAGEOPS -void clear_page_cpu(void *page) __attribute__((alias("clear_page_array"))); -#else -void clear_page(void *page) __attribute__((alias("clear_page_array"))); -#endif - -EXPORT_SYMBOL(clear_page); - -/* - * Maximum sizes: - * - * R4000 128 bytes S-cache: 0x11c bytes - * R4600 v1.7: 0x080 bytes - * R4600 v2.0: 0x07c bytes - * With prefetching, 16 word strides 0x540 bytes - */ -static u32 copy_page_array[0x540 / 4]; - -#ifdef CONFIG_SIBYTE_DMA_PAGEOPS -void -copy_page_cpu(void *to, void *from) __attribute__((alias("copy_page_array"))); -#else -void copy_page(void *to, void *from) __attribute__((alias("copy_page_array"))); -#endif - -EXPORT_SYMBOL(copy_page); - - static int pref_bias_clear_store __cpuinitdata; static int pref_bias_copy_load __cpuinitdata; static int pref_bias_copy_store __cpuinitdata; @@ -282,10 +244,15 @@ static inline void __cpuinit build_clear_pref(u32 **buf, int off) } } +extern u32 __clear_page_start; +extern u32 __clear_page_end; +extern u32 __copy_page_start; +extern u32 __copy_page_end; + void __cpuinit build_clear_page(void) { int off; - u32 *buf = (u32 *)&clear_page_array; + u32 *buf = &__clear_page_start; struct uasm_label *l = labels; struct uasm_reloc *r = relocs; int i; @@ -356,17 +323,17 @@ void __cpuinit build_clear_page(void) uasm_i_jr(&buf, RA); uasm_i_nop(&buf); - BUG_ON(buf > clear_page_array + ARRAY_SIZE(clear_page_array)); + BUG_ON(buf > &__clear_page_end); uasm_resolve_relocs(relocs, labels); pr_debug("Synthesized clear page handler (%u instructions).\n", - (u32)(buf - clear_page_array)); + (u32)(buf - &__clear_page_start)); pr_debug("\t.set push\n"); pr_debug("\t.set noreorder\n"); - for (i = 0; i < (buf - clear_page_array); i++) - pr_debug("\t.word 0x%08x\n", clear_page_array[i]); + for (i = 0; i < (buf - &__clear_page_start); i++) + pr_debug("\t.word 0x%08x\n", (&__clear_page_start)[i]); pr_debug("\t.set pop\n"); } @@ -427,7 +394,7 @@ static inline void build_copy_store_pref(u32 **buf, int off) void __cpuinit build_copy_page(void) { int off; - u32 *buf = (u32 *)©_page_array; + u32 *buf = &__copy_page_start; struct uasm_label *l = labels; struct uasm_reloc *r = relocs; int i; @@ -595,21 +562,23 @@ void __cpuinit build_copy_page(void) uasm_i_jr(&buf, RA); uasm_i_nop(&buf); - BUG_ON(buf > copy_page_array + ARRAY_SIZE(copy_page_array)); + BUG_ON(buf > &__copy_page_end); uasm_resolve_relocs(relocs, labels); pr_debug("Synthesized copy page handler (%u instructions).\n", - (u32)(buf - copy_page_array)); + (u32)(buf - &__copy_page_start)); pr_debug("\t.set push\n"); pr_debug("\t.set noreorder\n"); - for (i = 0; i < (buf - copy_page_array); i++) - pr_debug("\t.word 0x%08x\n", copy_page_array[i]); + for (i = 0; i < (buf - &__copy_page_start); i++) + pr_debug("\t.word 0x%08x\n", (&__copy_page_start)[i]); pr_debug("\t.set pop\n"); } #ifdef CONFIG_SIBYTE_DMA_PAGEOPS +extern void clear_page_cpu(void *page); +extern void copy_page_cpu(void *to, void *from); /* * Pad descriptors to cacheline, since each is exclusively owned by a diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 0bc485b3cd60..03eb0ef91580 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -9,6 +9,7 @@ * Copyright (C) 2005, 2007, 2008, 2009 Maciej W. Rozycki * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2008, 2009 Cavium Networks, Inc. + * Copyright (C) 2011 MIPS Technologies, Inc. * * ... and the days got worse and worse and now you see * I've gone completly out of my mind. @@ -494,6 +495,7 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l, case CPU_R14000: case CPU_4KC: case CPU_4KEC: + case CPU_M14KC: case CPU_SB1: case CPU_SB1A: case CPU_4KSC: diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index bf80921f2f56..284dea54faf5 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -241,8 +241,9 @@ void __init mips_pcibios_init(void) return; } - if (controller->io_resource->start < 0x00001000UL) /* FIXME */ - controller->io_resource->start = 0x00001000UL; + /* Change start address to avoid conflicts with ACPI and SMB devices */ + if (controller->io_resource->start < 0x00002000UL) + controller->io_resource->start = 0x00002000UL; iomem_resource.end &= 0xfffffffffULL; /* 64 GB */ ioport_resource.end = controller->io_resource->end; @@ -253,7 +254,7 @@ void __init mips_pcibios_init(void) } /* Enable PCI 2.1 compatibility in PIIX4 */ -static void __init quirk_dlcsetup(struct pci_dev *dev) +static void __devinit quirk_dlcsetup(struct pci_dev *dev) { u8 odlc, ndlc; (void) pci_read_config_byte(dev, 0x82, &odlc); diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c index b7f37d4982fa..2e28f653f66d 100644 --- a/arch/mips/mti-malta/malta-setup.c +++ b/arch/mips/mti-malta/malta-setup.c @@ -111,7 +111,7 @@ static void __init pci_clock_check(void) unsigned int __iomem *jmpr_p = (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int)); int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07; - static const int pciclocks[] __initdata = { + static const int pciclocks[] __initconst = { 33, 20, 25, 30, 12, 16, 37, 10 }; int pciclock = pciclocks[jmpr]; diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index acb677a1227c..b3df7c2aad1e 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -82,8 +82,10 @@ void __init prom_free_prom_memory(void) void xlp_mmu_init(void) { + /* enable extended TLB and Large Fixed TLB */ write_c0_config6(read_c0_config6() | 0x24); - current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1; + + /* set page mask of Fixed TLB in config7 */ write_c0_config7(PM_DEFAULT_MASK >> (13 + (ffz(PM_DEFAULT_MASK >> 13) / 2))); } @@ -100,6 +102,10 @@ void __init prom_init(void) nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1)); #ifdef CONFIG_SMP nlm_wakeup_secondary_cpus(0xffffffff); + + /* update TLB size after waking up threads */ + current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1; + register_smp_ops(&nlm_smp_ops); #endif } diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index d1f2d4c52d42..b6e378211a2c 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -78,6 +78,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) switch (current_cpu_type()) { case CPU_5KC: + case CPU_M14KC: case CPU_20KC: case CPU_24K: case CPU_25KF: diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index baba3bcaa3c2..4d80a856048d 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -322,6 +322,10 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_type()) { + case CPU_M14KC: + op_model_mipsxx_ops.cpu_type = "mips/M14Kc"; + break; + case CPU_20KC: op_model_mipsxx_ops.cpu_type = "mips/20K"; break; diff --git a/arch/mips/pci/fixup-fuloong2e.c b/arch/mips/pci/fixup-fuloong2e.c index d5d4c018fb04..0857ab8c3919 100644 --- a/arch/mips/pci/fixup-fuloong2e.c +++ b/arch/mips/pci/fixup-fuloong2e.c @@ -48,7 +48,7 @@ int pcibios_plat_dev_init(struct pci_dev *dev) return 0; } -static void __init loongson2e_nec_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_nec_fixup(struct pci_dev *pdev) { unsigned int val; @@ -60,7 +60,7 @@ static void __init loongson2e_nec_fixup(struct pci_dev *pdev) pci_write_config_dword(pdev, 0xe4, 1 << 5); } -static void __init loongson2e_686b_func0_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_686b_func0_fixup(struct pci_dev *pdev) { unsigned char c; @@ -135,7 +135,7 @@ static void __init loongson2e_686b_func0_fixup(struct pci_dev *pdev) printk(KERN_INFO"via686b fix: ISA bridge done\n"); } -static void __init loongson2e_686b_func1_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_686b_func1_fixup(struct pci_dev *pdev) { printk(KERN_INFO"via686b fix: IDE\n"); @@ -168,19 +168,19 @@ static void __init loongson2e_686b_func1_fixup(struct pci_dev *pdev) printk(KERN_INFO"via686b fix: IDE done\n"); } -static void __init loongson2e_686b_func2_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_686b_func2_fixup(struct pci_dev *pdev) { /* irq routing */ pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, 10); } -static void __init loongson2e_686b_func3_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_686b_func3_fixup(struct pci_dev *pdev) { /* irq routing */ pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, 11); } -static void __init loongson2e_686b_func5_fixup(struct pci_dev *pdev) +static void __devinit loongson2e_686b_func5_fixup(struct pci_dev *pdev) { unsigned int val; unsigned char c; diff --git a/arch/mips/pci/fixup-lemote2f.c b/arch/mips/pci/fixup-lemote2f.c index 4b9768d5d729..a7b917dcf604 100644 --- a/arch/mips/pci/fixup-lemote2f.c +++ b/arch/mips/pci/fixup-lemote2f.c @@ -96,21 +96,21 @@ int pcibios_plat_dev_init(struct pci_dev *dev) } /* CS5536 SPEC. fixup */ -static void __init loongson_cs5536_isa_fixup(struct pci_dev *pdev) +static void __devinit loongson_cs5536_isa_fixup(struct pci_dev *pdev) { /* the uart1 and uart2 interrupt in PIC is enabled as default */ pci_write_config_dword(pdev, PCI_UART1_INT_REG, 1); pci_write_config_dword(pdev, PCI_UART2_INT_REG, 1); } -static void __init loongson_cs5536_ide_fixup(struct pci_dev *pdev) +static void __devinit loongson_cs5536_ide_fixup(struct pci_dev *pdev) { /* setting the mutex pin as IDE function */ pci_write_config_dword(pdev, PCI_IDE_CFG_REG, CS5536_IDE_FLASH_SIGNATURE); } -static void __init loongson_cs5536_acc_fixup(struct pci_dev *pdev) +static void __devinit loongson_cs5536_acc_fixup(struct pci_dev *pdev) { /* enable the AUDIO interrupt in PIC */ pci_write_config_dword(pdev, PCI_ACC_INT_REG, 1); @@ -118,14 +118,14 @@ static void __init loongson_cs5536_acc_fixup(struct pci_dev *pdev) pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xc0); } -static void __init loongson_cs5536_ohci_fixup(struct pci_dev *pdev) +static void __devinit loongson_cs5536_ohci_fixup(struct pci_dev *pdev) { /* enable the OHCI interrupt in PIC */ /* THE OHCI, EHCI, UDC, OTG are shared with interrupt in PIC */ pci_write_config_dword(pdev, PCI_OHCI_INT_REG, 1); } -static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev) +static void __devinit loongson_cs5536_ehci_fixup(struct pci_dev *pdev) { u32 hi, lo; @@ -137,7 +137,7 @@ static void __init loongson_cs5536_ehci_fixup(struct pci_dev *pdev) pci_write_config_dword(pdev, PCI_EHCI_FLADJ_REG, 0x2000); } -static void __init loongson_nec_fixup(struct pci_dev *pdev) +static void __devinit loongson_nec_fixup(struct pci_dev *pdev) { unsigned int val; diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 0f48498bc231..70073c98ed32 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -49,10 +49,10 @@ int pcibios_plat_dev_init(struct pci_dev *dev) return 0; } -static void __init malta_piix_func0_fixup(struct pci_dev *pdev) +static void __devinit malta_piix_func0_fixup(struct pci_dev *pdev) { unsigned char reg_val; - static int piixirqmap[16] __initdata = { /* PIIX PIRQC[A:D] irq mappings */ + static int piixirqmap[16] __devinitdata = { /* PIIX PIRQC[A:D] irq mappings */ 0, 0, 0, 3, 4, 5, 6, 7, 0, 9, 10, 11, @@ -83,7 +83,7 @@ static void __init malta_piix_func0_fixup(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, malta_piix_func0_fixup); -static void __init malta_piix_func1_fixup(struct pci_dev *pdev) +static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev) { unsigned char reg_val; diff --git a/arch/mips/pci/fixup-mpc30x.c b/arch/mips/pci/fixup-mpc30x.c index e08f49cb6875..8e4f8288eca2 100644 --- a/arch/mips/pci/fixup-mpc30x.c +++ b/arch/mips/pci/fixup-mpc30x.c @@ -22,13 +22,13 @@ #include <asm/vr41xx/mpc30x.h> -static const int internal_func_irqs[] __initdata = { +static const int internal_func_irqs[] __initconst = { VRC4173_CASCADE_IRQ, VRC4173_AC97_IRQ, VRC4173_USB_IRQ, }; -static const int irq_tab_mpc30x[] __initdata = { +static const int irq_tab_mpc30x[] __initconst = { [12] = VRC4173_PCMCIA1_IRQ, [13] = VRC4173_PCMCIA2_IRQ, [29] = MQ200_IRQ, diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c index f0bb9146e6c0..d02900a72916 100644 --- a/arch/mips/pci/fixup-sb1250.c +++ b/arch/mips/pci/fixup-sb1250.c @@ -15,7 +15,7 @@ * Set the BCM1250, etc. PCI host bridge's TRDY timeout * to the finite max. */ -static void __init quirk_sb1250_pci(struct pci_dev *dev) +static void __devinit quirk_sb1250_pci(struct pci_dev *dev) { pci_write_config_byte(dev, 0x40, 0xff); } @@ -25,7 +25,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_PCI, /* * The BCM1250, etc. PCI/HT bridge reports as a host bridge. */ -static void __init quirk_sb1250_ht(struct pci_dev *dev) +static void __devinit quirk_sb1250_ht(struct pci_dev *dev) { dev->class = PCI_CLASS_BRIDGE_PCI << 8; } @@ -35,7 +35,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SIBYTE, PCI_DEVICE_ID_BCM1250_HT, /* * Set the SP1011 HT/PCI bridge's TRDY timeout to the finite max. */ -static void __init quirk_sp1011(struct pci_dev *dev) +static void __devinit quirk_sp1011(struct pci_dev *dev) { pci_write_config_byte(dev, 0x64, 0xff); } diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c index a1e7e6d80c8c..bc13e29d2bb3 100644 --- a/arch/mips/pci/ops-tx4927.c +++ b/arch/mips/pci/ops-tx4927.c @@ -495,7 +495,7 @@ irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id) } #ifdef CONFIG_TOSHIBA_FPCIB0 -static void __init tx4927_quirk_slc90e66_bridge(struct pci_dev *dev) +static void __devinit tx4927_quirk_slc90e66_bridge(struct pci_dev *dev) { struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(dev->bus); diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c index 0fbe4c0c170a..fdc24440294c 100644 --- a/arch/mips/pci/pci-ip27.c +++ b/arch/mips/pci/pci-ip27.c @@ -212,7 +212,7 @@ static inline void pci_enable_swapping(struct pci_dev *dev) bridge->b_widget.w_tflush; /* Flush */ } -static void __init pci_fixup_ioc3(struct pci_dev *d) +static void __devinit pci_fixup_ioc3(struct pci_dev *d) { pci_disable_swapping(d); } diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c index ea453532a33c..075d87acd12a 100644 --- a/arch/mips/pci/pci-lantiq.c +++ b/arch/mips/pci/pci-lantiq.c @@ -129,7 +129,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev) /* setup reset gpio used by pci */ reset_gpio = of_get_named_gpio(node, "gpio-reset", 0); - if (reset_gpio > 0) + if (gpio_is_valid(reset_gpio)) devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset"); /* enable auto-switching between PCI and EBU */ @@ -192,7 +192,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev) ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_IEN) | 0x10, LTQ_EBU_PCC_IEN); /* toggle reset pin */ - if (reset_gpio > 0) { + if (gpio_is_valid(reset_gpio)) { __gpio_set_value(reset_gpio, 0); wmb(); mdelay(1); diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c index 1644805a6730..172af1cd5867 100644 --- a/arch/mips/pci/pci-xlr.c +++ b/arch/mips/pci/pci-xlr.c @@ -41,6 +41,7 @@ #include <linux/irq.h> #include <linux/irqdesc.h> #include <linux/console.h> +#include <linux/pci_regs.h> #include <asm/io.h> @@ -156,35 +157,55 @@ struct pci_controller nlm_pci_controller = { .io_offset = 0x00000000UL, }; +/* + * The top level PCIe links on the XLS PCIe controller appear as + * bridges. Given a device, this function finds which link it is + * on. + */ +static struct pci_dev *xls_get_pcie_link(const struct pci_dev *dev) +{ + struct pci_bus *bus, *p; + + /* Find the bridge on bus 0 */ + bus = dev->bus; + for (p = bus->parent; p && p->number != 0; p = p->parent) + bus = p; + + return p ? bus->self : NULL; +} + static int get_irq_vector(const struct pci_dev *dev) { + struct pci_dev *lnk; + if (!nlm_chip_is_xls()) - return PIC_PCIX_IRQ; /* for XLR just one IRQ*/ + return PIC_PCIX_IRQ; /* for XLR just one IRQ */ /* * For XLS PCIe, there is an IRQ per Link, find out which * link the device is on to assign interrupts - */ - if (dev->bus->self == NULL) + */ + lnk = xls_get_pcie_link(dev); + if (lnk == NULL) return 0; - switch (dev->bus->self->devfn) { - case 0x0: + switch (PCI_SLOT(lnk->devfn)) { + case 0: return PIC_PCIE_LINK0_IRQ; - case 0x8: + case 1: return PIC_PCIE_LINK1_IRQ; - case 0x10: + case 2: if (nlm_chip_is_xls_b()) return PIC_PCIE_XLSB0_LINK2_IRQ; else return PIC_PCIE_LINK2_IRQ; - case 0x18: + case 3: if (nlm_chip_is_xls_b()) return PIC_PCIE_XLSB0_LINK3_IRQ; else return PIC_PCIE_LINK3_IRQ; } - WARN(1, "Unexpected devfn %d\n", dev->bus->self->devfn); + WARN(1, "Unexpected devfn %d\n", lnk->devfn); return 0; } @@ -202,7 +223,27 @@ void arch_teardown_msi_irq(unsigned int irq) int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; + struct pci_dev *lnk; int irq, ret; + u16 val; + + /* MSI not supported on XLR */ + if (!nlm_chip_is_xls()) + return 1; + + /* + * Enable MSI on the XLS PCIe controller bridge which was disabled + * at enumeration, the bridge MSI capability is at 0x50 + */ + lnk = xls_get_pcie_link(dev); + if (lnk == NULL) + return 1; + + pci_read_config_word(lnk, 0x50 + PCI_MSI_FLAGS, &val); + if ((val & PCI_MSI_FLAGS_ENABLE) == 0) { + val |= PCI_MSI_FLAGS_ENABLE; + pci_write_config_word(lnk, 0x50 + PCI_MSI_FLAGS, val); + } irq = get_irq_vector(dev); if (irq <= 0) @@ -327,7 +368,7 @@ static int __init pcibios_init(void) } } else { /* XLR PCI controller ACK */ - irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ, xlr_pci_ack); + irq_set_handler_data(PIC_PCIX_IRQ, xlr_pci_ack); } return 0; diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c index b71fae231049..5edab2bc6fc0 100644 --- a/arch/mips/pmc-sierra/yosemite/smp.c +++ b/arch/mips/pmc-sierra/yosemite/smp.c @@ -115,11 +115,11 @@ static void yos_send_ipi_mask(const struct cpumask *mask, unsigned int action) */ static void __cpuinit yos_init_secondary(void) { - set_c0_status(ST0_CO | ST0_IE | ST0_IM); } static void __cpuinit yos_smp_finish(void) { + set_c0_status(ST0_CO | ST0_IM | ST0_IE); } /* Hook for after all CPUs are online */ diff --git a/arch/mips/powertv/asic/asic-calliope.c b/arch/mips/powertv/asic/asic-calliope.c index 0a170e0ffeaa..7773f3d956b0 100644 --- a/arch/mips/powertv/asic/asic-calliope.c +++ b/arch/mips/powertv/asic/asic-calliope.c @@ -28,7 +28,7 @@ #define CALLIOPE_ADDR(x) (CALLIOPE_IO_BASE + (x)) -const struct register_map calliope_register_map __initdata = { +const struct register_map calliope_register_map __initconst = { .eic_slow0_strt_add = {.phys = CALLIOPE_ADDR(0x800000)}, .eic_cfg_bits = {.phys = CALLIOPE_ADDR(0x800038)}, .eic_ready_status = {.phys = CALLIOPE_ADDR(0x80004c)}, diff --git a/arch/mips/powertv/asic/asic-cronus.c b/arch/mips/powertv/asic/asic-cronus.c index bbc0c122be5e..da076db7b7ed 100644 --- a/arch/mips/powertv/asic/asic-cronus.c +++ b/arch/mips/powertv/asic/asic-cronus.c @@ -28,7 +28,7 @@ #define CRONUS_ADDR(x) (CRONUS_IO_BASE + (x)) -const struct register_map cronus_register_map __initdata = { +const struct register_map cronus_register_map __initconst = { .eic_slow0_strt_add = {.phys = CRONUS_ADDR(0x000000)}, .eic_cfg_bits = {.phys = CRONUS_ADDR(0x000038)}, .eic_ready_status = {.phys = CRONUS_ADDR(0x00004C)}, diff --git a/arch/mips/powertv/asic/asic-gaia.c b/arch/mips/powertv/asic/asic-gaia.c index 91dda682752c..47683b370e74 100644 --- a/arch/mips/powertv/asic/asic-gaia.c +++ b/arch/mips/powertv/asic/asic-gaia.c @@ -23,7 +23,7 @@ #include <linux/init.h> #include <asm/mach-powertv/asic.h> -const struct register_map gaia_register_map __initdata = { +const struct register_map gaia_register_map __initconst = { .eic_slow0_strt_add = {.phys = GAIA_IO_BASE + 0x000000}, .eic_cfg_bits = {.phys = GAIA_IO_BASE + 0x000038}, .eic_ready_status = {.phys = GAIA_IO_BASE + 0x00004C}, diff --git a/arch/mips/powertv/asic/asic-zeus.c b/arch/mips/powertv/asic/asic-zeus.c index 4a05bb096476..6ff4b10f09da 100644 --- a/arch/mips/powertv/asic/asic-zeus.c +++ b/arch/mips/powertv/asic/asic-zeus.c @@ -28,7 +28,7 @@ #define ZEUS_ADDR(x) (ZEUS_IO_BASE + (x)) -const struct register_map zeus_register_map __initdata = { +const struct register_map zeus_register_map __initconst = { .eic_slow0_strt_add = {.phys = ZEUS_ADDR(0x000000)}, .eic_cfg_bits = {.phys = ZEUS_ADDR(0x000038)}, .eic_ready_status = {.phys = ZEUS_ADDR(0x00004c)}, diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c index 682efb0c108d..64eb71b15280 100644 --- a/arch/mips/txx9/generic/pci.c +++ b/arch/mips/txx9/generic/pci.c @@ -269,7 +269,7 @@ txx9_i8259_irq_setup(int irq) return err; } -static void __init quirk_slc90e66_bridge(struct pci_dev *dev) +static void __devinit quirk_slc90e66_bridge(struct pci_dev *dev) { int irq; /* PCI/ISA Bridge interrupt */ u8 reg_64; diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h index 55b79ef10028..44251b974f1d 100644 --- a/arch/mn10300/include/asm/ptrace.h +++ b/arch/mn10300/include/asm/ptrace.h @@ -81,9 +81,6 @@ struct pt_regs { #define PTRACE_GETFPREGS 14 #define PTRACE_SETFPREGS 15 -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 - #ifdef __KERNEL__ #define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL) diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h index 08251d6f6b11..ac519bbd42ff 100644 --- a/arch/mn10300/include/asm/thread_info.h +++ b/arch/mn10300/include/asm/thread_info.h @@ -123,7 +123,7 @@ static inline unsigned long current_stack_pointer(void) } #ifndef CONFIG_KGDB -void arch_release_thread_info(struct thread_info *ti) +void arch_release_thread_info(struct thread_info *ti); #endif #define get_thread_info(ti) get_task_struct((ti)->task) #define put_thread_info(ti) put_task_struct((ti)->task) diff --git a/arch/mn10300/include/asm/timex.h b/arch/mn10300/include/asm/timex.h index bd4e90dfe6c2..f8e66425cbf8 100644 --- a/arch/mn10300/include/asm/timex.h +++ b/arch/mn10300/include/asm/timex.h @@ -11,7 +11,6 @@ #ifndef _ASM_TIMEX_H #define _ASM_TIMEX_H -#include <asm/hardirq.h> #include <unit/timex.h> #define TICK_SIZE (tick_nsec / 1000) @@ -30,16 +29,6 @@ static inline cycles_t get_cycles(void) extern int init_clockevents(void); extern int init_clocksource(void); -static inline void setup_jiffies_interrupt(int irq, - struct irqaction *action) -{ - u16 tmp; - setup_irq(irq, action); - set_intr_level(irq, NUM2GxICR_LEVEL(CONFIG_TIMER_IRQ_LEVEL)); - GxICR(irq) |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST; - tmp = GxICR(irq); -} - #endif /* __KERNEL__ */ #endif /* _ASM_TIMEX_H */ diff --git a/arch/mn10300/kernel/cevt-mn10300.c b/arch/mn10300/kernel/cevt-mn10300.c index 69cae0260786..ccce35e3e179 100644 --- a/arch/mn10300/kernel/cevt-mn10300.c +++ b/arch/mn10300/kernel/cevt-mn10300.c @@ -70,6 +70,16 @@ static void event_handler(struct clock_event_device *dev) { } +static inline void setup_jiffies_interrupt(int irq, + struct irqaction *action) +{ + u16 tmp; + setup_irq(irq, action); + set_intr_level(irq, NUM2GxICR_LEVEL(CONFIG_TIMER_IRQ_LEVEL)); + GxICR(irq) |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST; + tmp = GxICR(irq); +} + int __init init_clockevents(void) { struct clock_event_device *cd; diff --git a/arch/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h index a5ac755dd69f..2df440105a80 100644 --- a/arch/mn10300/kernel/internal.h +++ b/arch/mn10300/kernel/internal.h @@ -9,6 +9,8 @@ * 2 of the Licence, or (at your option) any later version. */ +#include <linux/irqreturn.h> + struct clocksource; struct clock_event_device; diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c index 2381df83bd00..35932a8de8b8 100644 --- a/arch/mn10300/kernel/irq.c +++ b/arch/mn10300/kernel/irq.c @@ -170,9 +170,9 @@ mn10300_cpupic_setaffinity(struct irq_data *d, const struct cpumask *mask, case SC1TXIRQ: #ifdef CONFIG_MN10300_TTYSM1_TIMER12 case TM12IRQ: -#elif CONFIG_MN10300_TTYSM1_TIMER9 +#elif defined(CONFIG_MN10300_TTYSM1_TIMER9) case TM9IRQ: -#elif CONFIG_MN10300_TTYSM1_TIMER3 +#elif defined(CONFIG_MN10300_TTYSM1_TIMER3) case TM3IRQ: #endif /* CONFIG_MN10300_TTYSM1_TIMER12 */ #endif /* CONFIG_MN10300_TTYSM1 */ diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index 6ab0bee2a54f..4d584ae29ae1 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -459,10 +459,11 @@ static int handle_signal(int sig, else ret = setup_frame(sig, ka, oldset, regs); if (ret) - return; + return ret; signal_delivered(sig, info, ka, regs, - test_thread_flag(TIF_SINGLESTEP)); + test_thread_flag(TIF_SINGLESTEP)); + return 0; } /* diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c index 94a9c6d53e1b..b900e5afa0ae 100644 --- a/arch/mn10300/kernel/traps.c +++ b/arch/mn10300/kernel/traps.c @@ -26,6 +26,7 @@ #include <linux/kdebug.h> #include <linux/bug.h> #include <linux/irq.h> +#include <linux/export.h> #include <asm/processor.h> #include <linux/uaccess.h> #include <asm/io.h> diff --git a/arch/mn10300/mm/dma-alloc.c b/arch/mn10300/mm/dma-alloc.c index 159acb02cfd4..e244ebe637e1 100644 --- a/arch/mn10300/mm/dma-alloc.c +++ b/arch/mn10300/mm/dma-alloc.c @@ -15,6 +15,7 @@ #include <linux/string.h> #include <linux/pci.h> #include <linux/gfp.h> +#include <linux/export.h> #include <asm/io.h> static unsigned long pci_sram_allocated = 0xbc000000; diff --git a/arch/mn10300/unit-asb2303/include/unit/timex.h b/arch/mn10300/unit-asb2303/include/unit/timex.h index cc18fe7d8b90..c37f9832cf17 100644 --- a/arch/mn10300/unit-asb2303/include/unit/timex.h +++ b/arch/mn10300/unit-asb2303/include/unit/timex.h @@ -11,10 +11,6 @@ #ifndef _ASM_UNIT_TIMEX_H #define _ASM_UNIT_TIMEX_H -#ifndef __ASSEMBLY__ -#include <linux/irq.h> -#endif /* __ASSEMBLY__ */ - #include <asm/timer-regs.h> #include <unit/clock.h> #include <asm/param.h> diff --git a/arch/mn10300/unit-asb2303/smc91111.c b/arch/mn10300/unit-asb2303/smc91111.c index 43c246439413..53677694b165 100644 --- a/arch/mn10300/unit-asb2303/smc91111.c +++ b/arch/mn10300/unit-asb2303/smc91111.c @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <asm/io.h> +#include <asm/irq.h> #include <asm/timex.h> #include <asm/processor.h> #include <asm/intctl-regs.h> diff --git a/arch/mn10300/unit-asb2305/include/unit/timex.h b/arch/mn10300/unit-asb2305/include/unit/timex.h index 758af30d1a16..4cefc224f448 100644 --- a/arch/mn10300/unit-asb2305/include/unit/timex.h +++ b/arch/mn10300/unit-asb2305/include/unit/timex.h @@ -11,10 +11,6 @@ #ifndef _ASM_UNIT_TIMEX_H #define _ASM_UNIT_TIMEX_H -#ifndef __ASSEMBLY__ -#include <linux/irq.h> -#endif /* __ASSEMBLY__ */ - #include <asm/timer-regs.h> #include <unit/clock.h> #include <asm/param.h> diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c index e1becd6b7571..bc4adfaf815c 100644 --- a/arch/mn10300/unit-asb2305/unit-init.c +++ b/arch/mn10300/unit-asb2305/unit-init.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <asm/io.h> +#include <asm/irq.h> #include <asm/setup.h> #include <asm/processor.h> #include <asm/intctl-regs.h> diff --git a/arch/mn10300/unit-asb2364/include/unit/timex.h b/arch/mn10300/unit-asb2364/include/unit/timex.h index ddb7ed010706..42f32db75087 100644 --- a/arch/mn10300/unit-asb2364/include/unit/timex.h +++ b/arch/mn10300/unit-asb2364/include/unit/timex.h @@ -11,10 +11,6 @@ #ifndef _ASM_UNIT_TIMEX_H #define _ASM_UNIT_TIMEX_H -#ifndef __ASSEMBLY__ -#include <linux/irq.h> -#endif /* __ASSEMBLY__ */ - #include <asm/timer-regs.h> #include <unit/clock.h> #include <asm/param.h> diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 6eb75b80488c..0554ab062bdc 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -86,8 +86,8 @@ static inline bool arch_irqs_disabled(void) } #ifdef CONFIG_PPC_BOOK3E -#define __hard_irq_enable() asm volatile("wrteei 1" : : : "memory"); -#define __hard_irq_disable() asm volatile("wrteei 0" : : : "memory"); +#define __hard_irq_enable() asm volatile("wrteei 1" : : : "memory") +#define __hard_irq_disable() asm volatile("wrteei 0" : : : "memory") #else #define __hard_irq_enable() __mtmsrd(local_paca->kernel_msr | MSR_EE, 1) #define __hard_irq_disable() __mtmsrd(local_paca->kernel_msr, 1) @@ -125,6 +125,8 @@ static inline bool arch_irq_disabled_regs(struct pt_regs *regs) return !regs->softe; } +extern bool prep_irq_for_idle(void); + #else /* CONFIG_PPC64 */ #define SET_MSR_EE(x) mtmsr(x) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 1b415027ec0e..1f017bb7a7ce 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -229,7 +229,7 @@ notrace void arch_local_irq_restore(unsigned long en) */ if (unlikely(irq_happened != PACA_IRQ_HARD_DIS)) __hard_irq_disable(); -#ifdef CONFIG_TRACE_IRQFLAG +#ifdef CONFIG_TRACE_IRQFLAGS else { /* * We should already be hard disabled here. We had bugs @@ -286,6 +286,52 @@ void notrace restore_interrupts(void) __hard_irq_enable(); } +/* + * This is a helper to use when about to go into idle low-power + * when the latter has the side effect of re-enabling interrupts + * (such as calling H_CEDE under pHyp). + * + * You call this function with interrupts soft-disabled (this is + * already the case when ppc_md.power_save is called). The function + * will return whether to enter power save or just return. + * + * In the former case, it will have notified lockdep of interrupts + * being re-enabled and generally sanitized the lazy irq state, + * and in the latter case it will leave with interrupts hard + * disabled and marked as such, so the local_irq_enable() call + * in cpu_idle() will properly re-enable everything. + */ +bool prep_irq_for_idle(void) +{ + /* + * First we need to hard disable to ensure no interrupt + * occurs before we effectively enter the low power state + */ + hard_irq_disable(); + + /* + * If anything happened while we were soft-disabled, + * we return now and do not enter the low power state. + */ + if (lazy_irq_pending()) + return false; + + /* Tell lockdep we are about to re-enable */ + trace_hardirqs_on(); + + /* + * Mark interrupts as soft-enabled and clear the + * PACA_IRQ_HARD_DIS from the pending mask since we + * are about to hard enable as well as a side effect + * of entering the low power state. + */ + local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS; + local_paca->soft_enabled = 1; + + /* Tell the caller to enter the low power state */ + return true; +} + #endif /* CONFIG_PPC64 */ int arch_show_interrupts(struct seq_file *p, int prec) diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index 3ff9013d6e79..ee02b30878ed 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -241,6 +241,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) case H_PUT_TCE: return kvmppc_h_pr_put_tce(vcpu); case H_CEDE: + vcpu->arch.shared->msr |= MSR_EE; kvm_vcpu_block(vcpu); clear_bit(KVM_REQ_UNHALT, &vcpu->requests); vcpu->stat.halt_wakeup++; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 6e8f677f5646..1e95556dc692 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -639,7 +639,7 @@ static void __init parse_drconf_memory(struct device_node *memory) unsigned int n, rc, ranges, is_kexec_kdump = 0; unsigned long lmb_size, base, size, sz; int nid; - struct assoc_arrays aa; + struct assoc_arrays aa = { .arrays = NULL }; n = of_get_drconf_memory(memory, &dm); if (!n) diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index efdacc829576..d17e98bc0c10 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -42,11 +42,9 @@ static void cbe_power_save(void) { unsigned long ctrl, thread_switch_control; - /* - * We need to hard disable interrupts, the local_irq_enable() done by - * our caller upon return will hard re-enable. - */ - hard_irq_disable(); + /* Ensure our interrupt state is properly tracked */ + if (!prep_irq_for_idle()) + return; ctrl = mfspr(SPRN_CTRLF); @@ -81,6 +79,9 @@ static void cbe_power_save(void) */ ctrl &= ~(CTRL_RUNLATCH | CTRL_TE); mtspr(SPRN_CTRLT, ctrl); + + /* Re-enable interrupts in MSR */ + __hard_irq_enable(); } static int cbe_system_reset_exception(struct pt_regs *regs) diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c index e61483e8e960..c71be66bd5dc 100644 --- a/arch/powerpc/platforms/pseries/processor_idle.c +++ b/arch/powerpc/platforms/pseries/processor_idle.c @@ -99,15 +99,18 @@ out: static void check_and_cede_processor(void) { /* - * Interrupts are soft-disabled at this point, - * but not hard disabled. So an interrupt might have - * occurred before entering NAP, and would be potentially - * lost (edge events, decrementer events, etc...) unless - * we first hard disable then check. + * Ensure our interrupt state is properly tracked, + * also checks if no interrupt has occurred while we + * were soft-disabled */ - hard_irq_disable(); - if (!lazy_irq_pending()) + if (prep_irq_for_idle()) { cede_processor(); +#ifdef CONFIG_TRACE_IRQFLAGS + /* Ensure that H_CEDE returns with IRQs on */ + if (WARN_ON(!(mfmsr() & MSR_EE))) + __hard_irq_enable(); +#endif + } } static int dedicated_cede_loop(struct cpuidle_device *dev, diff --git a/arch/sh/include/asm/io_noioport.h b/arch/sh/include/asm/io_noioport.h index e136d28d1d2e..4d48f1436a63 100644 --- a/arch/sh/include/asm/io_noioport.h +++ b/arch/sh/include/asm/io_noioport.h @@ -19,9 +19,20 @@ static inline u32 inl(unsigned long addr) return -1; } -#define outb(x, y) BUG() -#define outw(x, y) BUG() -#define outl(x, y) BUG() +static inline void outb(unsigned char x, unsigned long port) +{ + BUG(); +} + +static inline void outw(unsigned short x, unsigned long port) +{ + BUG(); +} + +static inline void outl(unsigned int x, unsigned long port) +{ + BUG(); +} #define inb_p(addr) inb(addr) #define inw_p(addr) inw(addr) diff --git a/arch/sh/kernel/cpu/sh3/serial-sh7720.c b/arch/sh/kernel/cpu/sh3/serial-sh7720.c index 8832c526cdf9..c4a0336660dd 100644 --- a/arch/sh/kernel/cpu/sh3/serial-sh7720.c +++ b/arch/sh/kernel/cpu/sh3/serial-sh7720.c @@ -2,7 +2,7 @@ #include <linux/serial_core.h> #include <linux/io.h> #include <cpu/serial.h> -#include <asm/gpio.h> +#include <cpu/gpio.h> static void sh7720_sci_init_pins(struct uart_port *port, unsigned int cflag) { diff --git a/arch/tile/kernel/backtrace.c b/arch/tile/kernel/backtrace.c index 9092ce8aa6b4..f8b74ca83b92 100644 --- a/arch/tile/kernel/backtrace.c +++ b/arch/tile/kernel/backtrace.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/string.h> +#include <asm/byteorder.h> #include <asm/backtrace.h> #include <asm/tile-desc.h> #include <arch/abi.h> @@ -336,8 +337,12 @@ static void find_caller_pc_and_caller_sp(CallerLocation *location, bytes_to_prefetch / sizeof(tile_bundle_bits); } - /* Decode the next bundle. */ - bundle.bits = prefetched_bundles[next_bundle++]; + /* + * Decode the next bundle. + * TILE always stores instruction bundles in little-endian + * mode, even when the chip is running in big-endian mode. + */ + bundle.bits = le64_to_cpu(prefetched_bundles[next_bundle++]); bundle.num_insns = parse_insn_tile(bundle.bits, pc, bundle.insns); num_info_ops = bt_get_info_ops(&bundle, info_operands); diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 88e466b159dc..43b39d61b538 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -705,7 +705,6 @@ static void stack_proc(void *arg) struct task_struct *from = current, *to = arg; to->thread.saved_task = from; - rcu_switch_from(from); switch_to(from, to, from); } diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index dffc38ee6255..345c99cef152 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -5,7 +5,6 @@ extern struct dma_map_ops nommu_dma_ops; extern int force_iommu, no_iommu; extern int iommu_detected; extern int iommu_pass_through; -extern int iommu_group_mf; /* 10 seconds */ #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index c0f420f76cd3..de2b7ad70273 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -45,15 +45,6 @@ int iommu_detected __read_mostly = 0; */ int iommu_pass_through __read_mostly; -/* - * Group multi-function PCI devices into a single device-group for the - * iommu_device_group interface. This tells the iommu driver to pretend - * it cannot distinguish between functions of a device, exposing only one - * group for the device. Useful for disallowing use of individual PCI - * functions from userspace drivers. - */ -int iommu_group_mf __read_mostly; - extern struct iommu_table_entry __iommu_table[], __iommu_table_end[]; /* Dummy device used for NULL arguments (normally ISA). */ @@ -194,8 +185,6 @@ static __init int iommu_setup(char *p) #endif if (!strncmp(p, "pt", 2)) iommu_pass_through = 1; - if (!strncmp(p, "group_mf", 8)) - iommu_group_mf = 1; gart_parse_options(p); diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 7515cf0e1805..5db36caf4289 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -139,6 +139,19 @@ static int addr_to_vsyscall_nr(unsigned long addr) return nr; } +#ifdef CONFIG_SECCOMP +static int vsyscall_seccomp(struct task_struct *tsk, int syscall_nr) +{ + if (!seccomp_mode(&tsk->seccomp)) + return 0; + task_pt_regs(tsk)->orig_ax = syscall_nr; + task_pt_regs(tsk)->ax = syscall_nr; + return __secure_computing(syscall_nr); +} +#else +#define vsyscall_seccomp(_tsk, _nr) 0 +#endif + static bool write_ok_or_segv(unsigned long ptr, size_t size) { /* @@ -174,6 +187,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) int vsyscall_nr; int prev_sig_on_uaccess_error; long ret; + int skip; /* * No point in checking CS -- the only way to get here is a user mode @@ -205,9 +219,6 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) } tsk = current; - if (seccomp_mode(&tsk->seccomp)) - do_exit(SIGKILL); - /* * With a real vsyscall, page faults cause SIGSEGV. We want to * preserve that behavior to make writing exploits harder. @@ -222,8 +233,13 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) * address 0". */ ret = -EFAULT; + skip = 0; switch (vsyscall_nr) { case 0: + skip = vsyscall_seccomp(tsk, __NR_gettimeofday); + if (skip) + break; + if (!write_ok_or_segv(regs->di, sizeof(struct timeval)) || !write_ok_or_segv(regs->si, sizeof(struct timezone))) break; @@ -234,6 +250,10 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) break; case 1: + skip = vsyscall_seccomp(tsk, __NR_time); + if (skip) + break; + if (!write_ok_or_segv(regs->di, sizeof(time_t))) break; @@ -241,6 +261,10 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) break; case 2: + skip = vsyscall_seccomp(tsk, __NR_getcpu); + if (skip) + break; + if (!write_ok_or_segv(regs->di, sizeof(unsigned)) || !write_ok_or_segv(regs->si, sizeof(unsigned))) break; @@ -253,6 +277,12 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) current_thread_info()->sig_on_uaccess_error = prev_sig_on_uaccess_error; + if (skip) { + if ((long)regs->ax <= 0L) /* seccomp errno emulation */ + goto do_ret; + goto done; /* seccomp trace/trap */ + } + if (ret == -EFAULT) { /* Bad news -- userspace fed a bad pointer to a vsyscall. */ warn_bad_vsyscall(KERN_INFO, regs, @@ -271,10 +301,11 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) regs->ax = ret; +do_ret: /* Emulate a ret instruction. */ regs->ip = caller; regs->sp += 8; - +done: return true; sigsegv: diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 9b306e550e3f..2c8d6a3d250a 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -277,7 +277,7 @@ void xtensa_elf_core_copy_regs (xtensa_gregset_t *elfregs, struct pt_regs *regs) /* Don't leak any random bits. */ - memset(elfregs, 0, sizeof (elfregs)); + memset(elfregs, 0, sizeof(*elfregs)); /* Note: PS.EXCM is not set while user task is running; its * being set in regs->ps is for exception handling convenience. diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 0ed85cac3231..615996a36bed 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -95,18 +95,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) return_ACPI_STATUS(status); } - if (sleep_state != ACPI_STATE_S5) { - /* - * Disable BM arbitration. This feature is contained within an - * optional register (PM2 Control), so ignore a BAD_ADDRESS - * exception. - */ - status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1); - if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) { - return_ACPI_STATUS(status); - } - } - /* * 1) Disable/Clear all GPEs * 2) Enable all wakeup GPEs @@ -364,16 +352,6 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags) [ACPI_EVENT_POWER_BUTTON]. status_register_id, ACPI_CLEAR_STATUS); - /* - * Enable BM arbitration. This feature is contained within an - * optional register (PM2 Control), so ignore a BAD_ADDRESS - * exception. - */ - status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0); - if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) { - return_ACPI_STATUS(status); - } - acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index 23ce09686418..fe6626035495 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -638,7 +638,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Create the new outer package and populate it */ status = - acpi_ns_wrap_with_package(data, *elements, + acpi_ns_wrap_with_package(data, return_object, return_object_ptr); if (ACPI_FAILURE(status)) { return (status); diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index c850de4c9a14..eff722278ff5 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -189,10 +189,12 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) * Processor (CPU3, 0x03, 0x00000410, 0x06) {} * } * - * Ignores apic_id and always return 0 for CPU0's handle. + * Ignores apic_id and always returns 0 for the processor + * handle with acpi id 0 if nr_cpu_ids is 1. + * This should be the case if SMP tables are not found. * Return -1 for other CPU's handle. */ - if (acpi_id == 0) + if (nr_cpu_ids <= 1 && acpi_id == 0) return acpi_id; else return apic_id; diff --git a/drivers/base/dd.c b/drivers/base/dd.c index dcb8a6e48692..4b01ab3d2c24 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -24,6 +24,7 @@ #include <linux/wait.h> #include <linux/async.h> #include <linux/pm_runtime.h> +#include <scsi/scsi_scan.h> #include "base.h" #include "power/power.h" @@ -332,6 +333,7 @@ void wait_for_device_probe(void) /* wait for the known devices to complete their probing */ wait_event(probe_waitqueue, atomic_read(&probe_count) == 0); async_synchronize_full(); + scsi_complete_async_scans(); } EXPORT_SYMBOL_GPL(wait_for_device_probe); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index bbca966f8f66..3bba65510d23 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1597,14 +1597,12 @@ static int loop_add(struct loop_device **l, int i) struct gendisk *disk; int err; + err = -ENOMEM; lo = kzalloc(sizeof(*lo), GFP_KERNEL); - if (!lo) { - err = -ENOMEM; + if (!lo) goto out; - } - err = idr_pre_get(&loop_index_idr, GFP_KERNEL); - if (err < 0) + if (!idr_pre_get(&loop_index_idr, GFP_KERNEL)) goto out_free_dev; if (i >= 0) { diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 65665c9c42c6..8f428a8ab003 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -499,7 +499,7 @@ static int rbd_header_from_disk(struct rbd_image_header *header, / sizeof (*ondisk)) return -EINVAL; header->snapc = kmalloc(sizeof(struct ceph_snap_context) + - snap_count * sizeof (*ondisk), + snap_count * sizeof(u64), gfp_flags); if (!header->snapc) return -ENOMEM; @@ -977,7 +977,7 @@ static void rbd_req_cb(struct ceph_osd_request *req, struct ceph_msg *msg) op = (void *)(replyhead + 1); rc = le32_to_cpu(replyhead->result); bytes = le64_to_cpu(op->extent.length); - read_op = (le32_to_cpu(op->op) == CEPH_OSD_OP_READ); + read_op = (le16_to_cpu(op->op) == CEPH_OSD_OP_READ); dout("rbd_req_cb bytes=%lld readop=%d rc=%d\n", bytes, read_op, rc); diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c index 8f05652d53e6..0fcec2aae19c 100644 --- a/drivers/clk/spear/spear1310_clock.c +++ b/drivers/clk/spear/spear1310_clock.c @@ -345,31 +345,30 @@ static struct frac_rate_tbl gen_rtbl[] = { /* clock parents */ static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", }; static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", }; -static const char *uart0_parents[] = { "pll5_clk", "uart_synth_gate_clk", }; -static const char *c3_parents[] = { "pll5_clk", "c3_synth_gate_clk", }; -static const char *gmac_phy_input_parents[] = { "gmii_125m_pad_clk", "pll2_clk", +static const char *uart0_parents[] = { "pll5_clk", "uart_syn_gclk", }; +static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", }; +static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk", "osc_25m_clk", }; -static const char *gmac_phy_parents[] = { "gmac_phy_input_mux_clk", - "gmac_phy_synth_gate_clk", }; +static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", }; static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", }; -static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_synth_clk", }; +static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", }; static const char *i2s_src_parents[] = { "vco1div2_clk", "none", "pll3_clk", "i2s_src_pad_clk", }; -static const char *i2s_ref_parents[] = { "i2s_src_mux_clk", "i2s_prs1_clk", }; +static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", }; static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk", "pll3_clk", }; static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco3div2_clk", "pll2_clk", }; static const char *rmii_phy_parents[] = { "ras_tx50_clk", "none", - "ras_pll2_clk", "ras_synth0_clk", }; + "ras_pll2_clk", "ras_syn0_clk", }; static const char *smii_rgmii_phy_parents[] = { "none", "ras_tx125_clk", - "ras_pll2_clk", "ras_synth0_clk", }; -static const char *uart_parents[] = { "ras_apb_clk", "gen_synth3_clk", }; -static const char *i2c_parents[] = { "ras_apb_clk", "gen_synth1_clk", }; -static const char *ssp1_parents[] = { "ras_apb_clk", "gen_synth1_clk", + "ras_pll2_clk", "ras_syn0_clk", }; +static const char *uart_parents[] = { "ras_apb_clk", "gen_syn3_clk", }; +static const char *i2c_parents[] = { "ras_apb_clk", "gen_syn1_clk", }; +static const char *ssp1_parents[] = { "ras_apb_clk", "gen_syn1_clk", "ras_plclk0_clk", }; -static const char *pci_parents[] = { "ras_pll3_clk", "gen_synth2_clk", }; -static const char *tdm_parents[] = { "ras_pll3_clk", "gen_synth1_clk", }; +static const char *pci_parents[] = { "ras_pll3_clk", "gen_syn2_clk", }; +static const char *tdm_parents[] = { "ras_pll3_clk", "gen_syn1_clk", }; void __init spear1310_clk_init(void) { @@ -390,9 +389,9 @@ void __init spear1310_clk_init(void) 25000000); clk_register_clkdev(clk, "osc_25m_clk", NULL); - clk = clk_register_fixed_rate(NULL, "gmii_125m_pad_clk", NULL, - CLK_IS_ROOT, 125000000); - clk_register_clkdev(clk, "gmii_125m_pad_clk", NULL); + clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT, + 125000000); + clk_register_clkdev(clk, "gmii_pad_clk", NULL); clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, CLK_IS_ROOT, 12288000); @@ -406,34 +405,34 @@ void __init spear1310_clk_init(void) /* clock derived from 24 or 25 MHz osc clk */ /* vco-pll */ - clk = clk_register_mux(NULL, "vco1_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco1_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1310_PLL_CFG, SPEAR1310_PLL1_CLK_SHIFT, SPEAR1310_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco1_mux_clk", NULL); - clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mux_clk", + clk_register_clkdev(clk, "vco1_mclk", NULL); + clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0, SPEAR1310_PLL1_CTR, SPEAR1310_PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco1_clk", NULL); clk_register_clkdev(clk1, "pll1_clk", NULL); - clk = clk_register_mux(NULL, "vco2_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco2_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1310_PLL_CFG, SPEAR1310_PLL2_CLK_SHIFT, SPEAR1310_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco2_mux_clk", NULL); - clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mux_clk", + clk_register_clkdev(clk, "vco2_mclk", NULL); + clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0, SPEAR1310_PLL2_CTR, SPEAR1310_PLL2_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco2_clk", NULL); clk_register_clkdev(clk1, "pll2_clk", NULL); - clk = clk_register_mux(NULL, "vco3_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco3_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1310_PLL_CFG, SPEAR1310_PLL3_CLK_SHIFT, SPEAR1310_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco3_mux_clk", NULL); - clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mux_clk", + clk_register_clkdev(clk, "vco3_mclk", NULL); + clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0, SPEAR1310_PLL3_CTR, SPEAR1310_PLL3_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco3_clk", NULL); @@ -473,7 +472,7 @@ void __init spear1310_clk_init(void) /* peripherals */ clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1, 128); - clk = clk_register_gate(NULL, "thermal_gate_clk", "thermal_clk", 0, + clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0, SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_THSENS_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_thermal"); @@ -500,177 +499,176 @@ void __init spear1310_clk_init(void) clk_register_clkdev(clk, "apb_clk", NULL); /* gpt clocks */ - clk = clk_register_mux(NULL, "gpt0_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT0_CLK_SHIFT, SPEAR1310_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt0_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mux_clk", 0, + clk_register_clkdev(clk, "gpt0_mclk", NULL); + clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt0"); - clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT1_CLK_SHIFT, SPEAR1310_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt1_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, + clk_register_clkdev(clk, "gpt1_mclk", NULL); + clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt1"); - clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT2_CLK_SHIFT, SPEAR1310_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt2_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, + clk_register_clkdev(clk, "gpt2_mclk", NULL); + clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0, SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt2"); - clk = clk_register_mux(NULL, "gpt3_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT3_CLK_SHIFT, SPEAR1310_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt3_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mux_clk", 0, + clk_register_clkdev(clk, "gpt3_mclk", NULL); + clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0, SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt3"); /* others */ - clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk", - "vco1div2_clk", 0, SPEAR1310_UART_CLK_SYNT, NULL, - aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "uart_synth_clk", NULL); - clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL); + clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "vco1div2_clk", + 0, SPEAR1310_UART_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "uart_syn_clk", NULL); + clk_register_clkdev(clk1, "uart_syn_gclk", NULL); - clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents, + clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents, ARRAY_SIZE(uart0_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_UART_CLK_SHIFT, SPEAR1310_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart0_mux_clk", NULL); + clk_register_clkdev(clk, "uart0_mclk", NULL); - clk = clk_register_gate(NULL, "uart0_clk", "uart0_mux_clk", 0, + clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UART_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "e0000000.serial"); - clk = clk_register_aux("sdhci_synth_clk", "sdhci_synth_gate_clk", + clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk", "vco1div2_clk", 0, SPEAR1310_SDHCI_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "sdhci_synth_clk", NULL); - clk_register_clkdev(clk1, "sdhci_synth_gate_clk", NULL); + clk_register_clkdev(clk, "sdhci_syn_clk", NULL); + clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL); - clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SDHCI_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b3000000.sdhci"); - clk = clk_register_aux("cfxd_synth_clk", "cfxd_synth_gate_clk", - "vco1div2_clk", 0, SPEAR1310_CFXD_CLK_SYNT, NULL, - aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "cfxd_synth_clk", NULL); - clk_register_clkdev(clk1, "cfxd_synth_gate_clk", NULL); + clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk", + 0, SPEAR1310_CFXD_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "cfxd_syn_clk", NULL); + clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL); - clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_CFXD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b2800000.cf"); clk_register_clkdev(clk, NULL, "arasan_xd"); - clk = clk_register_aux("c3_synth_clk", "c3_synth_gate_clk", - "vco1div2_clk", 0, SPEAR1310_C3_CLK_SYNT, NULL, - aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "c3_synth_clk", NULL); - clk_register_clkdev(clk1, "c3_synth_gate_clk", NULL); + clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", + 0, SPEAR1310_C3_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "c3_syn_clk", NULL); + clk_register_clkdev(clk1, "c3_syn_gclk", NULL); - clk = clk_register_mux(NULL, "c3_mux_clk", c3_parents, + clk = clk_register_mux(NULL, "c3_mclk", c3_parents, ARRAY_SIZE(c3_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_C3_CLK_SHIFT, SPEAR1310_C3_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "c3_mux_clk", NULL); + clk_register_clkdev(clk, "c3_mclk", NULL); - clk = clk_register_gate(NULL, "c3_clk", "c3_mux_clk", 0, + clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_C3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "c3"); /* gmac */ - clk = clk_register_mux(NULL, "gmac_phy_input_mux_clk", - gmac_phy_input_parents, + clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents, ARRAY_SIZE(gmac_phy_input_parents), 0, SPEAR1310_GMAC_CLK_CFG, SPEAR1310_GMAC_PHY_INPUT_CLK_SHIFT, SPEAR1310_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gmac_phy_input_mux_clk", NULL); + clk_register_clkdev(clk, "phy_input_mclk", NULL); - clk = clk_register_aux("gmac_phy_synth_clk", "gmac_phy_synth_gate_clk", - "gmac_phy_input_mux_clk", 0, SPEAR1310_GMAC_CLK_SYNT, - NULL, gmac_rtbl, ARRAY_SIZE(gmac_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gmac_phy_synth_clk", NULL); - clk_register_clkdev(clk1, "gmac_phy_synth_gate_clk", NULL); + clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk", + 0, SPEAR1310_GMAC_CLK_SYNT, NULL, gmac_rtbl, + ARRAY_SIZE(gmac_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "phy_syn_clk", NULL); + clk_register_clkdev(clk1, "phy_syn_gclk", NULL); - clk = clk_register_mux(NULL, "gmac_phy_mux_clk", gmac_phy_parents, + clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents, ARRAY_SIZE(gmac_phy_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GMAC_PHY_CLK_SHIFT, SPEAR1310_GMAC_PHY_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "stmmacphy.0"); /* clcd */ - clk = clk_register_mux(NULL, "clcd_synth_mux_clk", clcd_synth_parents, + clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents, ARRAY_SIZE(clcd_synth_parents), 0, SPEAR1310_CLCD_CLK_SYNT, SPEAR1310_CLCD_SYNT_CLK_SHIFT, SPEAR1310_CLCD_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "clcd_synth_mux_clk", NULL); + clk_register_clkdev(clk, "clcd_syn_mclk", NULL); - clk = clk_register_frac("clcd_synth_clk", "clcd_synth_mux_clk", 0, + clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0, SPEAR1310_CLCD_CLK_SYNT, clcd_rtbl, ARRAY_SIZE(clcd_rtbl), &_lock); - clk_register_clkdev(clk, "clcd_synth_clk", NULL); + clk_register_clkdev(clk, "clcd_syn_clk", NULL); - clk = clk_register_mux(NULL, "clcd_pixel_mux_clk", clcd_pixel_parents, + clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents, ARRAY_SIZE(clcd_pixel_parents), 0, SPEAR1310_PERIP_CLK_CFG, SPEAR1310_CLCD_CLK_SHIFT, SPEAR1310_CLCD_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, "clcd_pixel_clk", NULL); - clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mux_clk", 0, + clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_CLCD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "clcd_clk", NULL); /* i2s */ - clk = clk_register_mux(NULL, "i2s_src_mux_clk", i2s_src_parents, + clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents, ARRAY_SIZE(i2s_src_parents), 0, SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_SRC_CLK_SHIFT, SPEAR1310_I2S_SRC_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, "i2s_src_clk", NULL); - clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mux_clk", 0, + clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk", 0, SPEAR1310_I2S_CLK_CFG, &i2s_prs1_masks, i2s_prs1_rtbl, ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL); clk_register_clkdev(clk, "i2s_prs1_clk", NULL); - clk = clk_register_mux(NULL, "i2s_ref_mux_clk", i2s_ref_parents, + clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents, ARRAY_SIZE(i2s_ref_parents), 0, SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_REF_SHIFT, SPEAR1310_I2S_REF_SEL_MASK, 0, &_lock); clk_register_clkdev(clk, "i2s_ref_clk", NULL); - clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mux_clk", 0, + clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0, SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_I2S_REF_PAD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL); - clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gate_clk", + clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_pad_clk", 0, SPEAR1310_I2S_CLK_CFG, &i2s_sclk_masks, i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock, &clk1); clk_register_clkdev(clk, "i2s_sclk_clk", NULL); - clk_register_clkdev(clk1, "i2s_sclk_gate_clk", NULL); + clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL); /* clock derived from ahb clk */ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, @@ -747,13 +745,13 @@ void __init spear1310_clk_init(void) &_lock); clk_register_clkdev(clk, "sysram1_clk", NULL); - clk = clk_register_aux("adc_synth_clk", "adc_synth_gate_clk", "ahb_clk", + clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk", 0, SPEAR1310_ADC_CLK_SYNT, NULL, adc_rtbl, ARRAY_SIZE(adc_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "adc_synth_clk", NULL); - clk_register_clkdev(clk1, "adc_synth_gate_clk", NULL); + clk_register_clkdev(clk, "adc_syn_clk", NULL); + clk_register_clkdev(clk1, "adc_syn_gclk", NULL); - clk = clk_register_gate(NULL, "adc_clk", "adc_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk", 0, SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_ADC_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "adc_clk"); @@ -790,37 +788,37 @@ void __init spear1310_clk_init(void) clk_register_clkdev(clk, NULL, "e0300000.kbd"); /* RAS clks */ - clk = clk_register_mux(NULL, "gen_synth0_1_mux_clk", - gen_synth0_1_parents, ARRAY_SIZE(gen_synth0_1_parents), - 0, SPEAR1310_PLL_CFG, SPEAR1310_RAS_SYNT0_1_CLK_SHIFT, + clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents, + ARRAY_SIZE(gen_synth0_1_parents), 0, SPEAR1310_PLL_CFG, + SPEAR1310_RAS_SYNT0_1_CLK_SHIFT, SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gen_synth0_1_clk", NULL); + clk_register_clkdev(clk, "gen_syn0_1_clk", NULL); - clk = clk_register_mux(NULL, "gen_synth2_3_mux_clk", - gen_synth2_3_parents, ARRAY_SIZE(gen_synth2_3_parents), - 0, SPEAR1310_PLL_CFG, SPEAR1310_RAS_SYNT2_3_CLK_SHIFT, + clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents, + ARRAY_SIZE(gen_synth2_3_parents), 0, SPEAR1310_PLL_CFG, + SPEAR1310_RAS_SYNT2_3_CLK_SHIFT, SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gen_synth2_3_clk", NULL); + clk_register_clkdev(clk, "gen_syn2_3_clk", NULL); - clk = clk_register_frac("gen_synth0_clk", "gen_synth0_1_clk", 0, + clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_clk", 0, SPEAR1310_RAS_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth0_clk", NULL); + clk_register_clkdev(clk, "gen_syn0_clk", NULL); - clk = clk_register_frac("gen_synth1_clk", "gen_synth0_1_clk", 0, + clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_clk", 0, SPEAR1310_RAS_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth1_clk", NULL); + clk_register_clkdev(clk, "gen_syn1_clk", NULL); - clk = clk_register_frac("gen_synth2_clk", "gen_synth2_3_clk", 0, + clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_clk", 0, SPEAR1310_RAS_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth2_clk", NULL); + clk_register_clkdev(clk, "gen_syn2_clk", NULL); - clk = clk_register_frac("gen_synth3_clk", "gen_synth2_3_clk", 0, + clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_clk", 0, SPEAR1310_RAS_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth3_clk", NULL); + clk_register_clkdev(clk, "gen_syn3_clk", NULL); clk = clk_register_gate(NULL, "ras_osc_24m_clk", "osc_24m_clk", 0, SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_24M_CLK_ENB, 0, @@ -847,7 +845,7 @@ void __init spear1310_clk_init(void) &_lock); clk_register_clkdev(clk, "ras_pll3_clk", NULL); - clk = clk_register_gate(NULL, "ras_tx125_clk", "gmii_125m_pad_clk", 0, + clk = clk_register_gate(NULL, "ras_tx125_clk", "gmii_pad_clk", 0, SPEAR1310_RAS_CLK_ENB, SPEAR1310_C125M_PAD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "ras_tx125_clk", NULL); @@ -912,7 +910,7 @@ void __init spear1310_clk_init(void) &_lock); clk_register_clkdev(clk, NULL, "5c700000.eth"); - clk = clk_register_mux(NULL, "smii_rgmii_phy_mux_clk", + clk = clk_register_mux(NULL, "smii_rgmii_phy_mclk", smii_rgmii_phy_parents, ARRAY_SIZE(smii_rgmii_phy_parents), 0, SPEAR1310_RAS_CTRL_REG1, @@ -922,184 +920,184 @@ void __init spear1310_clk_init(void) clk_register_clkdev(clk, NULL, "stmmacphy.2"); clk_register_clkdev(clk, NULL, "stmmacphy.4"); - clk = clk_register_mux(NULL, "rmii_phy_mux_clk", rmii_phy_parents, + clk = clk_register_mux(NULL, "rmii_phy_mclk", rmii_phy_parents, ARRAY_SIZE(rmii_phy_parents), 0, SPEAR1310_RAS_CTRL_REG1, SPEAR1310_RMII_PHY_CLK_SHIFT, SPEAR1310_PHY_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "stmmacphy.3"); - clk = clk_register_mux(NULL, "uart1_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart1_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART1_CLK_SHIFT, SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart1_mux_clk", NULL); + clk_register_clkdev(clk, "uart1_mclk", NULL); - clk = clk_register_gate(NULL, "uart1_clk", "uart1_mux_clk", 0, + clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5c800000.serial"); - clk = clk_register_mux(NULL, "uart2_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart2_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART2_CLK_SHIFT, SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart2_mux_clk", NULL); + clk_register_clkdev(clk, "uart2_mclk", NULL); - clk = clk_register_gate(NULL, "uart2_clk", "uart2_mux_clk", 0, + clk = clk_register_gate(NULL, "uart2_clk", "uart2_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5c900000.serial"); - clk = clk_register_mux(NULL, "uart3_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart3_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART3_CLK_SHIFT, SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart3_mux_clk", NULL); + clk_register_clkdev(clk, "uart3_mclk", NULL); - clk = clk_register_gate(NULL, "uart3_clk", "uart3_mux_clk", 0, + clk = clk_register_gate(NULL, "uart3_clk", "uart3_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5ca00000.serial"); - clk = clk_register_mux(NULL, "uart4_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart4_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART4_CLK_SHIFT, SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart4_mux_clk", NULL); + clk_register_clkdev(clk, "uart4_mclk", NULL); - clk = clk_register_gate(NULL, "uart4_clk", "uart4_mux_clk", 0, + clk = clk_register_gate(NULL, "uart4_clk", "uart4_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART4_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5cb00000.serial"); - clk = clk_register_mux(NULL, "uart5_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart5_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART5_CLK_SHIFT, SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart5_mux_clk", NULL); + clk_register_clkdev(clk, "uart5_mclk", NULL); - clk = clk_register_gate(NULL, "uart5_clk", "uart5_mux_clk", 0, + clk = clk_register_gate(NULL, "uart5_clk", "uart5_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART5_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5cc00000.serial"); - clk = clk_register_mux(NULL, "i2c1_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c1_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C1_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c1_mux_clk", NULL); + clk_register_clkdev(clk, "i2c1_mclk", NULL); - clk = clk_register_gate(NULL, "i2c1_clk", "i2c1_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c1_clk", "i2c1_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5cd00000.i2c"); - clk = clk_register_mux(NULL, "i2c2_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c2_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C2_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c2_mux_clk", NULL); + clk_register_clkdev(clk, "i2c2_mclk", NULL); - clk = clk_register_gate(NULL, "i2c2_clk", "i2c2_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c2_clk", "i2c2_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5ce00000.i2c"); - clk = clk_register_mux(NULL, "i2c3_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c3_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C3_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c3_mux_clk", NULL); + clk_register_clkdev(clk, "i2c3_mclk", NULL); - clk = clk_register_gate(NULL, "i2c3_clk", "i2c3_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c3_clk", "i2c3_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5cf00000.i2c"); - clk = clk_register_mux(NULL, "i2c4_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c4_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C4_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c4_mux_clk", NULL); + clk_register_clkdev(clk, "i2c4_mclk", NULL); - clk = clk_register_gate(NULL, "i2c4_clk", "i2c4_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c4_clk", "i2c4_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C4_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5d000000.i2c"); - clk = clk_register_mux(NULL, "i2c5_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c5_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C5_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c5_mux_clk", NULL); + clk_register_clkdev(clk, "i2c5_mclk", NULL); - clk = clk_register_gate(NULL, "i2c5_clk", "i2c5_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c5_clk", "i2c5_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C5_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5d100000.i2c"); - clk = clk_register_mux(NULL, "i2c6_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c6_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C6_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c6_mux_clk", NULL); + clk_register_clkdev(clk, "i2c6_mclk", NULL); - clk = clk_register_gate(NULL, "i2c6_clk", "i2c6_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c6_clk", "i2c6_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C6_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5d200000.i2c"); - clk = clk_register_mux(NULL, "i2c7_mux_clk", i2c_parents, + clk = clk_register_mux(NULL, "i2c7_mclk", i2c_parents, ARRAY_SIZE(i2c_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C7_CLK_SHIFT, SPEAR1310_I2C_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "i2c7_mux_clk", NULL); + clk_register_clkdev(clk, "i2c7_mclk", NULL); - clk = clk_register_gate(NULL, "i2c7_clk", "i2c7_mux_clk", 0, + clk = clk_register_gate(NULL, "i2c7_clk", "i2c7_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C7_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5d300000.i2c"); - clk = clk_register_mux(NULL, "ssp1_mux_clk", ssp1_parents, + clk = clk_register_mux(NULL, "ssp1_mclk", ssp1_parents, ARRAY_SIZE(ssp1_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_SSP1_CLK_SHIFT, SPEAR1310_SSP1_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "ssp1_mux_clk", NULL); + clk_register_clkdev(clk, "ssp1_mclk", NULL); - clk = clk_register_gate(NULL, "ssp1_clk", "ssp1_mux_clk", 0, + clk = clk_register_gate(NULL, "ssp1_clk", "ssp1_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_SSP1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "5d400000.spi"); - clk = clk_register_mux(NULL, "pci_mux_clk", pci_parents, + clk = clk_register_mux(NULL, "pci_mclk", pci_parents, ARRAY_SIZE(pci_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_PCI_CLK_SHIFT, SPEAR1310_PCI_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "pci_mux_clk", NULL); + clk_register_clkdev(clk, "pci_mclk", NULL); - clk = clk_register_gate(NULL, "pci_clk", "pci_mux_clk", 0, + clk = clk_register_gate(NULL, "pci_clk", "pci_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_PCI_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "pci"); - clk = clk_register_mux(NULL, "tdm1_mux_clk", tdm_parents, + clk = clk_register_mux(NULL, "tdm1_mclk", tdm_parents, ARRAY_SIZE(tdm_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM1_CLK_SHIFT, SPEAR1310_TDM_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "tdm1_mux_clk", NULL); + clk_register_clkdev(clk, "tdm1_mclk", NULL); - clk = clk_register_gate(NULL, "tdm1_clk", "tdm1_mux_clk", 0, + clk = clk_register_gate(NULL, "tdm1_clk", "tdm1_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "tdm_hdlc.0"); - clk = clk_register_mux(NULL, "tdm2_mux_clk", tdm_parents, + clk = clk_register_mux(NULL, "tdm2_mclk", tdm_parents, ARRAY_SIZE(tdm_parents), 0, SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM2_CLK_SHIFT, SPEAR1310_TDM_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "tdm2_mux_clk", NULL); + clk_register_clkdev(clk, "tdm2_mclk", NULL); - clk = clk_register_gate(NULL, "tdm2_clk", "tdm2_mux_clk", 0, + clk = clk_register_gate(NULL, "tdm2_clk", "tdm2_mclk", 0, SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "tdm_hdlc.1"); diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c index e3ea72162236..2352cee7f645 100644 --- a/drivers/clk/spear/spear1340_clock.c +++ b/drivers/clk/spear/spear1340_clock.c @@ -369,27 +369,25 @@ static struct frac_rate_tbl gen_rtbl[] = { /* clock parents */ static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", }; -static const char *sys_parents[] = { "none", "pll1_clk", "none", "none", - "sys_synth_clk", "none", "pll2_clk", "pll3_clk", }; -static const char *ahb_parents[] = { "cpu_div3_clk", "amba_synth_clk", }; +static const char *sys_parents[] = { "pll1_clk", "pll1_clk", "pll1_clk", + "pll1_clk", "sys_synth_clk", "sys_synth_clk", "pll2_clk", "pll3_clk", }; +static const char *ahb_parents[] = { "cpu_div3_clk", "amba_syn_clk", }; static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", }; static const char *uart0_parents[] = { "pll5_clk", "osc_24m_clk", - "uart0_synth_gate_clk", }; + "uart0_syn_gclk", }; static const char *uart1_parents[] = { "pll5_clk", "osc_24m_clk", - "uart1_synth_gate_clk", }; -static const char *c3_parents[] = { "pll5_clk", "c3_synth_gate_clk", }; -static const char *gmac_phy_input_parents[] = { "gmii_125m_pad_clk", "pll2_clk", + "uart1_syn_gclk", }; +static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", }; +static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk", "osc_25m_clk", }; -static const char *gmac_phy_parents[] = { "gmac_phy_input_mux_clk", - "gmac_phy_synth_gate_clk", }; +static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", }; static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", }; -static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_synth_clk", }; +static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", }; static const char *i2s_src_parents[] = { "vco1div2_clk", "pll2_clk", "pll3_clk", "i2s_src_pad_clk", }; -static const char *i2s_ref_parents[] = { "i2s_src_mux_clk", "i2s_prs1_clk", }; -static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_synth2_clk", -}; -static const char *spdif_in_parents[] = { "pll2_clk", "gen_synth3_clk", }; +static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", }; +static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_syn2_clk", }; +static const char *spdif_in_parents[] = { "pll2_clk", "gen_syn3_clk", }; static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk", "pll3_clk", }; @@ -415,9 +413,9 @@ void __init spear1340_clk_init(void) 25000000); clk_register_clkdev(clk, "osc_25m_clk", NULL); - clk = clk_register_fixed_rate(NULL, "gmii_125m_pad_clk", NULL, - CLK_IS_ROOT, 125000000); - clk_register_clkdev(clk, "gmii_125m_pad_clk", NULL); + clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT, + 125000000); + clk_register_clkdev(clk, "gmii_pad_clk", NULL); clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, CLK_IS_ROOT, 12288000); @@ -431,35 +429,35 @@ void __init spear1340_clk_init(void) /* clock derived from 24 or 25 MHz osc clk */ /* vco-pll */ - clk = clk_register_mux(NULL, "vco1_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco1_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, SPEAR1340_PLL1_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco1_mux_clk", NULL); - clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mux_clk", - 0, SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl, + clk_register_clkdev(clk, "vco1_mclk", NULL); + clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0, + SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco1_clk", NULL); clk_register_clkdev(clk1, "pll1_clk", NULL); - clk = clk_register_mux(NULL, "vco2_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco2_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, SPEAR1340_PLL2_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco2_mux_clk", NULL); - clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mux_clk", - 0, SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl, + clk_register_clkdev(clk, "vco2_mclk", NULL); + clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0, + SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco2_clk", NULL); clk_register_clkdev(clk1, "pll2_clk", NULL); - clk = clk_register_mux(NULL, "vco3_mux_clk", vco_parents, + clk = clk_register_mux(NULL, "vco3_mclk", vco_parents, ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG, SPEAR1340_PLL3_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "vco3_mux_clk", NULL); - clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mux_clk", - 0, SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl, + clk_register_clkdev(clk, "vco3_mclk", NULL); + clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0, + SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco3_clk", NULL); clk_register_clkdev(clk1, "pll3_clk", NULL); @@ -498,7 +496,7 @@ void __init spear1340_clk_init(void) /* peripherals */ clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1, 128); - clk = clk_register_gate(NULL, "thermal_gate_clk", "thermal_clk", 0, + clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0, SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_thermal"); @@ -509,23 +507,23 @@ void __init spear1340_clk_init(void) clk_register_clkdev(clk, "ddr_clk", NULL); /* clock derived from pll1 clk */ - clk = clk_register_frac("sys_synth_clk", "vco1div2_clk", 0, + clk = clk_register_frac("sys_syn_clk", "vco1div2_clk", 0, SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl, ARRAY_SIZE(sys_synth_rtbl), &_lock); - clk_register_clkdev(clk, "sys_synth_clk", NULL); + clk_register_clkdev(clk, "sys_syn_clk", NULL); - clk = clk_register_frac("amba_synth_clk", "vco1div2_clk", 0, + clk = clk_register_frac("amba_syn_clk", "vco1div2_clk", 0, SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl, ARRAY_SIZE(amba_synth_rtbl), &_lock); - clk_register_clkdev(clk, "amba_synth_clk", NULL); + clk_register_clkdev(clk, "amba_syn_clk", NULL); - clk = clk_register_mux(NULL, "sys_mux_clk", sys_parents, + clk = clk_register_mux(NULL, "sys_mclk", sys_parents, ARRAY_SIZE(sys_parents), 0, SPEAR1340_SYS_CLK_CTRL, SPEAR1340_SCLK_SRC_SEL_SHIFT, SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock); clk_register_clkdev(clk, "sys_clk", NULL); - clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mux_clk", 0, 1, + clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mclk", 0, 1, 2); clk_register_clkdev(clk, "cpu_clk", NULL); @@ -548,194 +546,193 @@ void __init spear1340_clk_init(void) clk_register_clkdev(clk, "apb_clk", NULL); /* gpt clocks */ - clk = clk_register_mux(NULL, "gpt0_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT0_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt0_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mux_clk", 0, + clk_register_clkdev(clk, "gpt0_mclk", NULL); + clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt0"); - clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT1_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt1_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, + clk_register_clkdev(clk, "gpt1_mclk", NULL); + clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt1"); - clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT2_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt2_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, + clk_register_clkdev(clk, "gpt2_mclk", NULL); + clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0, SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt2"); - clk = clk_register_mux(NULL, "gpt3_mux_clk", gpt_parents, + clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents, ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT3_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt3_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mux_clk", 0, + clk_register_clkdev(clk, "gpt3_mclk", NULL); + clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0, SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt3"); /* others */ - clk = clk_register_aux("uart0_synth_clk", "uart0_synth_gate_clk", + clk = clk_register_aux("uart0_syn_clk", "uart0_syn_gclk", "vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "uart0_synth_clk", NULL); - clk_register_clkdev(clk1, "uart0_synth_gate_clk", NULL); + clk_register_clkdev(clk, "uart0_syn_clk", NULL); + clk_register_clkdev(clk1, "uart0_syn_gclk", NULL); - clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents, + clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents, ARRAY_SIZE(uart0_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART0_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart0_mux_clk", NULL); + clk_register_clkdev(clk, "uart0_mclk", NULL); - clk = clk_register_gate(NULL, "uart0_clk", "uart0_mux_clk", 0, + clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UART0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "e0000000.serial"); - clk = clk_register_aux("uart1_synth_clk", "uart1_synth_gate_clk", + clk = clk_register_aux("uart1_syn_clk", "uart1_syn_gclk", "vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "uart1_synth_clk", NULL); - clk_register_clkdev(clk1, "uart1_synth_gate_clk", NULL); + clk_register_clkdev(clk, "uart1_syn_clk", NULL); + clk_register_clkdev(clk1, "uart1_syn_gclk", NULL); - clk = clk_register_mux(NULL, "uart1_mux_clk", uart1_parents, + clk = clk_register_mux(NULL, "uart1_mclk", uart1_parents, ARRAY_SIZE(uart1_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART1_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart1_mux_clk", NULL); + clk_register_clkdev(clk, "uart1_mclk", NULL); - clk = clk_register_gate(NULL, "uart1_clk", "uart1_mux_clk", 0, - SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0, + clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0, + SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b4100000.serial"); - clk = clk_register_aux("sdhci_synth_clk", "sdhci_synth_gate_clk", + clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk", "vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "sdhci_synth_clk", NULL); - clk_register_clkdev(clk1, "sdhci_synth_gate_clk", NULL); + clk_register_clkdev(clk, "sdhci_syn_clk", NULL); + clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL); - clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SDHCI_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b3000000.sdhci"); - clk = clk_register_aux("cfxd_synth_clk", "cfxd_synth_gate_clk", - "vco1div2_clk", 0, SPEAR1340_CFXD_CLK_SYNT, NULL, - aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "cfxd_synth_clk", NULL); - clk_register_clkdev(clk1, "cfxd_synth_gate_clk", NULL); + clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk", + 0, SPEAR1340_CFXD_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "cfxd_syn_clk", NULL); + clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL); - clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CFXD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b2800000.cf"); clk_register_clkdev(clk, NULL, "arasan_xd"); - clk = clk_register_aux("c3_synth_clk", "c3_synth_gate_clk", - "vco1div2_clk", 0, SPEAR1340_C3_CLK_SYNT, NULL, - aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "c3_synth_clk", NULL); - clk_register_clkdev(clk1, "c3_synth_gate_clk", NULL); + clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", 0, + SPEAR1340_C3_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "c3_syn_clk", NULL); + clk_register_clkdev(clk1, "c3_syn_gclk", NULL); - clk = clk_register_mux(NULL, "c3_mux_clk", c3_parents, + clk = clk_register_mux(NULL, "c3_mclk", c3_parents, ARRAY_SIZE(c3_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_C3_CLK_SHIFT, SPEAR1340_C3_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "c3_mux_clk", NULL); + clk_register_clkdev(clk, "c3_mclk", NULL); - clk = clk_register_gate(NULL, "c3_clk", "c3_mux_clk", 0, + clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "c3"); /* gmac */ - clk = clk_register_mux(NULL, "gmac_phy_input_mux_clk", - gmac_phy_input_parents, + clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents, ARRAY_SIZE(gmac_phy_input_parents), 0, SPEAR1340_GMAC_CLK_CFG, SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT, SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gmac_phy_input_mux_clk", NULL); + clk_register_clkdev(clk, "phy_input_mclk", NULL); - clk = clk_register_aux("gmac_phy_synth_clk", "gmac_phy_synth_gate_clk", - "gmac_phy_input_mux_clk", 0, SPEAR1340_GMAC_CLK_SYNT, - NULL, gmac_rtbl, ARRAY_SIZE(gmac_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gmac_phy_synth_clk", NULL); - clk_register_clkdev(clk1, "gmac_phy_synth_gate_clk", NULL); + clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk", + 0, SPEAR1340_GMAC_CLK_SYNT, NULL, gmac_rtbl, + ARRAY_SIZE(gmac_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "phy_syn_clk", NULL); + clk_register_clkdev(clk1, "phy_syn_gclk", NULL); - clk = clk_register_mux(NULL, "gmac_phy_mux_clk", gmac_phy_parents, + clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents, ARRAY_SIZE(gmac_phy_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT, SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "stmmacphy.0"); /* clcd */ - clk = clk_register_mux(NULL, "clcd_synth_mux_clk", clcd_synth_parents, + clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents, ARRAY_SIZE(clcd_synth_parents), 0, SPEAR1340_CLCD_CLK_SYNT, SPEAR1340_CLCD_SYNT_CLK_SHIFT, SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "clcd_synth_mux_clk", NULL); + clk_register_clkdev(clk, "clcd_syn_mclk", NULL); - clk = clk_register_frac("clcd_synth_clk", "clcd_synth_mux_clk", 0, + clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0, SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl, ARRAY_SIZE(clcd_rtbl), &_lock); - clk_register_clkdev(clk, "clcd_synth_clk", NULL); + clk_register_clkdev(clk, "clcd_syn_clk", NULL); - clk = clk_register_mux(NULL, "clcd_pixel_mux_clk", clcd_pixel_parents, + clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents, ARRAY_SIZE(clcd_pixel_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT, SPEAR1340_CLCD_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, "clcd_pixel_clk", NULL); - clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mux_clk", 0, + clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "clcd_clk", NULL); /* i2s */ - clk = clk_register_mux(NULL, "i2s_src_mux_clk", i2s_src_parents, + clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents, ARRAY_SIZE(i2s_src_parents), 0, SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_SRC_CLK_SHIFT, SPEAR1340_I2S_SRC_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, "i2s_src_clk", NULL); - clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mux_clk", 0, + clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk", 0, SPEAR1340_I2S_CLK_CFG, &i2s_prs1_masks, i2s_prs1_rtbl, ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL); clk_register_clkdev(clk, "i2s_prs1_clk", NULL); - clk = clk_register_mux(NULL, "i2s_ref_mux_clk", i2s_ref_parents, + clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents, ARRAY_SIZE(i2s_ref_parents), 0, SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_REF_SHIFT, SPEAR1340_I2S_REF_SEL_MASK, 0, &_lock); clk_register_clkdev(clk, "i2s_ref_clk", NULL); - clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mux_clk", 0, + clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0, SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL); - clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gate_clk", - "i2s_ref_mux_clk", 0, SPEAR1340_I2S_CLK_CFG, - &i2s_sclk_masks, i2s_sclk_rtbl, - ARRAY_SIZE(i2s_sclk_rtbl), &_lock, &clk1); + clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_mclk", + 0, SPEAR1340_I2S_CLK_CFG, &i2s_sclk_masks, + i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock, + &clk1); clk_register_clkdev(clk, "i2s_sclk_clk", NULL); - clk_register_clkdev(clk1, "i2s_sclk_gate_clk", NULL); + clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL); /* clock derived from ahb clk */ clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, @@ -744,7 +741,7 @@ void __init spear1340_clk_init(void) clk_register_clkdev(clk, NULL, "e0280000.i2c"); clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0, - SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0, + SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "b4000000.i2c"); @@ -800,13 +797,13 @@ void __init spear1340_clk_init(void) &_lock); clk_register_clkdev(clk, "sysram1_clk", NULL); - clk = clk_register_aux("adc_synth_clk", "adc_synth_gate_clk", "ahb_clk", + clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk", 0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl, ARRAY_SIZE(adc_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "adc_synth_clk", NULL); - clk_register_clkdev(clk1, "adc_synth_gate_clk", NULL); + clk_register_clkdev(clk, "adc_syn_clk", NULL); + clk_register_clkdev(clk1, "adc_syn_gclk", NULL); - clk = clk_register_gate(NULL, "adc_clk", "adc_synth_gate_clk", 0, + clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk", 0, SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_ADC_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "adc_clk"); @@ -843,39 +840,39 @@ void __init spear1340_clk_init(void) clk_register_clkdev(clk, NULL, "e0300000.kbd"); /* RAS clks */ - clk = clk_register_mux(NULL, "gen_synth0_1_mux_clk", - gen_synth0_1_parents, ARRAY_SIZE(gen_synth0_1_parents), - 0, SPEAR1340_PLL_CFG, SPEAR1340_GEN_SYNT0_1_CLK_SHIFT, + clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents, + ARRAY_SIZE(gen_synth0_1_parents), 0, SPEAR1340_PLL_CFG, + SPEAR1340_GEN_SYNT0_1_CLK_SHIFT, SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gen_synth0_1_clk", NULL); + clk_register_clkdev(clk, "gen_syn0_1_clk", NULL); - clk = clk_register_mux(NULL, "gen_synth2_3_mux_clk", - gen_synth2_3_parents, ARRAY_SIZE(gen_synth2_3_parents), - 0, SPEAR1340_PLL_CFG, SPEAR1340_GEN_SYNT2_3_CLK_SHIFT, + clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents, + ARRAY_SIZE(gen_synth2_3_parents), 0, SPEAR1340_PLL_CFG, + SPEAR1340_GEN_SYNT2_3_CLK_SHIFT, SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gen_synth2_3_clk", NULL); + clk_register_clkdev(clk, "gen_syn2_3_clk", NULL); - clk = clk_register_frac("gen_synth0_clk", "gen_synth0_1_clk", 0, + clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_clk", 0, SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth0_clk", NULL); + clk_register_clkdev(clk, "gen_syn0_clk", NULL); - clk = clk_register_frac("gen_synth1_clk", "gen_synth0_1_clk", 0, + clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_clk", 0, SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth1_clk", NULL); + clk_register_clkdev(clk, "gen_syn1_clk", NULL); - clk = clk_register_frac("gen_synth2_clk", "gen_synth2_3_clk", 0, + clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_clk", 0, SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth2_clk", NULL); + clk_register_clkdev(clk, "gen_syn2_clk", NULL); - clk = clk_register_frac("gen_synth3_clk", "gen_synth2_3_clk", 0, + clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_clk", 0, SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl), &_lock); - clk_register_clkdev(clk, "gen_synth3_clk", NULL); + clk_register_clkdev(clk, "gen_syn3_clk", NULL); - clk = clk_register_gate(NULL, "mali_clk", "gen_synth3_clk", 0, + clk = clk_register_gate(NULL, "mali_clk", "gen_syn3_clk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_MALI_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "mali"); @@ -890,74 +887,74 @@ void __init spear1340_clk_init(void) &_lock); clk_register_clkdev(clk, NULL, "spear_cec.1"); - clk = clk_register_mux(NULL, "spdif_out_mux_clk", spdif_out_parents, + clk = clk_register_mux(NULL, "spdif_out_mclk", spdif_out_parents, ARRAY_SIZE(spdif_out_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT, SPEAR1340_SPDIF_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "spdif_out_mux_clk", NULL); + clk_register_clkdev(clk, "spdif_out_mclk", NULL); - clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mux_clk", 0, + clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_SPDIF_OUT_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spdif-out"); - clk = clk_register_mux(NULL, "spdif_in_mux_clk", spdif_in_parents, + clk = clk_register_mux(NULL, "spdif_in_mclk", spdif_in_parents, ARRAY_SIZE(spdif_in_parents), 0, SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT, SPEAR1340_SPDIF_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "spdif_in_mux_clk", NULL); + clk_register_clkdev(clk, "spdif_in_mclk", NULL); - clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mux_clk", 0, + clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_SPDIF_IN_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spdif-in"); - clk = clk_register_gate(NULL, "acp_clk", "acp_mux_clk", 0, + clk = clk_register_gate(NULL, "acp_clk", "acp_mclk", 0, SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "acp_clk"); - clk = clk_register_gate(NULL, "plgpio_clk", "plgpio_mux_clk", 0, + clk = clk_register_gate(NULL, "plgpio_clk", "plgpio_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "plgpio"); - clk = clk_register_gate(NULL, "video_dec_clk", "video_dec_mux_clk", 0, + clk = clk_register_gate(NULL, "video_dec_clk", "video_dec_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "video_dec"); - clk = clk_register_gate(NULL, "video_enc_clk", "video_enc_mux_clk", 0, + clk = clk_register_gate(NULL, "video_enc_clk", "video_enc_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "video_enc"); - clk = clk_register_gate(NULL, "video_in_clk", "video_in_mux_clk", 0, + clk = clk_register_gate(NULL, "video_in_clk", "video_in_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_vip"); - clk = clk_register_gate(NULL, "cam0_clk", "cam0_mux_clk", 0, + clk = clk_register_gate(NULL, "cam0_clk", "cam0_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_camif.0"); - clk = clk_register_gate(NULL, "cam1_clk", "cam1_mux_clk", 0, + clk = clk_register_gate(NULL, "cam1_clk", "cam1_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_camif.1"); - clk = clk_register_gate(NULL, "cam2_clk", "cam2_mux_clk", 0, + clk = clk_register_gate(NULL, "cam2_clk", "cam2_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_camif.2"); - clk = clk_register_gate(NULL, "cam3_clk", "cam3_mux_clk", 0, + clk = clk_register_gate(NULL, "cam3_clk", "cam3_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "spear_camif.3"); - clk = clk_register_gate(NULL, "pwm_clk", "pwm_mux_clk", 0, + clk = clk_register_gate(NULL, "pwm_clk", "pwm_mclk", 0, SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "pwm"); diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index 01dd6daff2a1..c3157454bb3f 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -122,12 +122,12 @@ static struct gpt_rate_tbl gpt_rtbl[] = { }; /* clock parents */ -static const char *uart0_parents[] = { "pll3_48m_clk", "uart_synth_gate_clk", }; -static const char *firda_parents[] = { "pll3_48m_clk", "firda_synth_gate_clk", +static const char *uart0_parents[] = { "pll3_clk", "uart_syn_gclk", }; +static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk", }; -static const char *gpt0_parents[] = { "pll3_48m_clk", "gpt0_synth_clk", }; -static const char *gpt1_parents[] = { "pll3_48m_clk", "gpt1_synth_clk", }; -static const char *gpt2_parents[] = { "pll3_48m_clk", "gpt2_synth_clk", }; +static const char *gpt0_parents[] = { "pll3_clk", "gpt0_syn_clk", }; +static const char *gpt1_parents[] = { "pll3_clk", "gpt1_syn_clk", }; +static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", }; static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", }; static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", "pll2_clk", }; @@ -137,7 +137,7 @@ static void __init spear300_clk_init(void) { struct clk *clk; - clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0, + clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, 1, 1); clk_register_clkdev(clk, NULL, "60000000.clcd"); @@ -219,15 +219,11 @@ static void __init spear310_clk_init(void) #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0 #define SPEAR320_UARTX_PCLK_VAL_APB 0x1 -static const char *i2s_ref_parents[] = { "ras_pll2_clk", - "ras_gen2_synth_gate_clk", }; -static const char *sdhci_parents[] = { "ras_pll3_48m_clk", - "ras_gen3_synth_gate_clk", -}; +static const char *i2s_ref_parents[] = { "ras_pll2_clk", "ras_syn2_gclk", }; +static const char *sdhci_parents[] = { "ras_pll3_clk", "ras_syn3_gclk", }; static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", - "ras_gen0_synth_gate_clk", }; -static const char *uartx_parents[] = { "ras_gen1_synth_gate_clk", "ras_apb_clk", -}; + "ras_syn0_gclk", }; +static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", }; static void __init spear320_clk_init(void) { @@ -237,7 +233,7 @@ static void __init spear320_clk_init(void) CLK_IS_ROOT, 125000000); clk_register_clkdev(clk, "smii_125m_pad", NULL); - clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_48m_clk", 0, + clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, 1, 1); clk_register_clkdev(clk, NULL, "90000000.clcd"); @@ -363,9 +359,9 @@ void __init spear3xx_clk_init(void) clk_register_clkdev(clk, NULL, "fc900000.rtc"); /* clock derived from 24 MHz osc clk */ - clk = clk_register_fixed_rate(NULL, "pll3_48m_clk", "osc_24m_clk", 0, + clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0, 48000000); - clk_register_clkdev(clk, "pll3_48m_clk", NULL); + clk_register_clkdev(clk, "pll3_clk", NULL); clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1, 1); @@ -392,98 +388,98 @@ void __init spear3xx_clk_init(void) HCLK_RATIO_MASK, 0, &_lock); clk_register_clkdev(clk, "ahb_clk", NULL); - clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk", - "pll1_clk", 0, UART_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "uart_synth_clk", NULL); - clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL); + clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0, + UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "uart_syn_clk", NULL); + clk_register_clkdev(clk1, "uart_syn_gclk", NULL); - clk = clk_register_mux(NULL, "uart0_mux_clk", uart0_parents, + clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents, ARRAY_SIZE(uart0_parents), 0, PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart0_mux_clk", NULL); + clk_register_clkdev(clk, "uart0_mclk", NULL); - clk = clk_register_gate(NULL, "uart0", "uart0_mux_clk", 0, - PERIP1_CLK_ENB, UART_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "uart0", "uart0_mclk", 0, PERIP1_CLK_ENB, + UART_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "d0000000.serial"); - clk = clk_register_aux("firda_synth_clk", "firda_synth_gate_clk", - "pll1_clk", 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "firda_synth_clk", NULL); - clk_register_clkdev(clk1, "firda_synth_gate_clk", NULL); + clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0, + FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "firda_syn_clk", NULL); + clk_register_clkdev(clk1, "firda_syn_gclk", NULL); - clk = clk_register_mux(NULL, "firda_mux_clk", firda_parents, + clk = clk_register_mux(NULL, "firda_mclk", firda_parents, ARRAY_SIZE(firda_parents), 0, PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "firda_mux_clk", NULL); + clk_register_clkdev(clk, "firda_mclk", NULL); - clk = clk_register_gate(NULL, "firda_clk", "firda_mux_clk", 0, + clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", 0, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "firda"); /* gpt clocks */ - clk_register_gpt("gpt0_synth_clk", "pll1_clk", 0, PRSC0_CLK_CFG, - gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); + clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents, ARRAY_SIZE(gpt0_parents), 0, PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt0"); - clk_register_gpt("gpt1_synth_clk", "pll1_clk", 0, PRSC1_CLK_CFG, - gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); - clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt1_parents, + clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); + clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents, ARRAY_SIZE(gpt1_parents), 0, PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt1_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, + clk_register_clkdev(clk, "gpt1_mclk", NULL); + clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt1"); - clk_register_gpt("gpt2_synth_clk", "pll1_clk", 0, PRSC2_CLK_CFG, - gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); - clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt2_parents, + clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); + clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents, ARRAY_SIZE(gpt2_parents), 0, PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt2_mux_clk", NULL); - clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, + clk_register_clkdev(clk, "gpt2_mclk", NULL); + clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt2"); /* general synths clocks */ - clk = clk_register_aux("gen0_synth_clk", "gen0_synth_gate_clk", - "pll1_clk", 0, GEN0_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gen0_synth_clk", NULL); - clk_register_clkdev(clk1, "gen0_synth_gate_clk", NULL); - - clk = clk_register_aux("gen1_synth_clk", "gen1_synth_gate_clk", - "pll1_clk", 0, GEN1_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gen1_synth_clk", NULL); - clk_register_clkdev(clk1, "gen1_synth_gate_clk", NULL); - - clk = clk_register_mux(NULL, "gen2_3_parent_clk", gen2_3_parents, + clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk", + 0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "gen0_syn_clk", NULL); + clk_register_clkdev(clk1, "gen0_syn_gclk", NULL); + + clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk", + 0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "gen1_syn_clk", NULL); + clk_register_clkdev(clk1, "gen1_syn_gclk", NULL); + + clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents, ARRAY_SIZE(gen2_3_parents), 0, CORE_CLK_CFG, GEN_SYNTH2_3_CLK_SHIFT, GEN_SYNTH2_3_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gen2_3_parent_clk", NULL); + clk_register_clkdev(clk, "gen2_3_par_clk", NULL); - clk = clk_register_aux("gen2_synth_clk", "gen2_synth_gate_clk", - "gen2_3_parent_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl, + clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk", + "gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gen2_synth_clk", NULL); - clk_register_clkdev(clk1, "gen2_synth_gate_clk", NULL); + clk_register_clkdev(clk, "gen2_syn_clk", NULL); + clk_register_clkdev(clk1, "gen2_syn_gclk", NULL); - clk = clk_register_aux("gen3_synth_clk", "gen3_synth_gate_clk", - "gen2_3_parent_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl, + clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk", + "gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "gen3_synth_clk", NULL); - clk_register_clkdev(clk1, "gen3_synth_gate_clk", NULL); + clk_register_clkdev(clk, "gen3_syn_clk", NULL); + clk_register_clkdev(clk1, "gen3_syn_gclk", NULL); /* clock derived from pll3 clk */ - clk = clk_register_gate(NULL, "usbh_clk", "pll3_48m_clk", 0, - PERIP1_CLK_ENB, USBH_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB, + USBH_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "usbh_clk", NULL); clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1, @@ -494,8 +490,8 @@ void __init spear3xx_clk_init(void) 1); clk_register_clkdev(clk, "usbh.1_clk", NULL); - clk = clk_register_gate(NULL, "usbd_clk", "pll3_48m_clk", 0, - PERIP1_CLK_ENB, USBD_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB, + USBD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "designware_udc"); /* clock derived from ahb clk */ @@ -579,29 +575,25 @@ void __init spear3xx_clk_init(void) RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "ras_pll2_clk", NULL); - clk = clk_register_gate(NULL, "ras_pll3_48m_clk", "pll3_48m_clk", 0, + clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0, RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock); - clk_register_clkdev(clk, "ras_pll3_48m_clk", NULL); - - clk = clk_register_gate(NULL, "ras_gen0_synth_gate_clk", - "gen0_synth_gate_clk", 0, RAS_CLK_ENB, - RAS_SYNT0_CLK_ENB, 0, &_lock); - clk_register_clkdev(clk, "ras_gen0_synth_gate_clk", NULL); - - clk = clk_register_gate(NULL, "ras_gen1_synth_gate_clk", - "gen1_synth_gate_clk", 0, RAS_CLK_ENB, - RAS_SYNT1_CLK_ENB, 0, &_lock); - clk_register_clkdev(clk, "ras_gen1_synth_gate_clk", NULL); - - clk = clk_register_gate(NULL, "ras_gen2_synth_gate_clk", - "gen2_synth_gate_clk", 0, RAS_CLK_ENB, - RAS_SYNT2_CLK_ENB, 0, &_lock); - clk_register_clkdev(clk, "ras_gen2_synth_gate_clk", NULL); - - clk = clk_register_gate(NULL, "ras_gen3_synth_gate_clk", - "gen3_synth_gate_clk", 0, RAS_CLK_ENB, - RAS_SYNT3_CLK_ENB, 0, &_lock); - clk_register_clkdev(clk, "ras_gen3_synth_gate_clk", NULL); + clk_register_clkdev(clk, "ras_pll3_clk", NULL); + + clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk", 0, + RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_syn0_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk", 0, + RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_syn1_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk", 0, + RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_syn2_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk", 0, + RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_syn3_gclk", NULL); if (of_machine_is_compatible("st,spear300")) spear300_clk_init(); diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c index 61026ae564ab..a98d0866f541 100644 --- a/drivers/clk/spear/spear6xx_clock.c +++ b/drivers/clk/spear/spear6xx_clock.c @@ -97,13 +97,12 @@ static struct aux_rate_tbl aux_rtbl[] = { {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ }; -static const char *clcd_parents[] = { "pll3_48m_clk", "clcd_synth_gate_clk", }; -static const char *firda_parents[] = { "pll3_48m_clk", "firda_synth_gate_clk", -}; -static const char *uart_parents[] = { "pll3_48m_clk", "uart_synth_gate_clk", }; -static const char *gpt0_1_parents[] = { "pll3_48m_clk", "gpt0_1_synth_clk", }; -static const char *gpt2_parents[] = { "pll3_48m_clk", "gpt2_synth_clk", }; -static const char *gpt3_parents[] = { "pll3_48m_clk", "gpt3_synth_clk", }; +static const char *clcd_parents[] = { "pll3_clk", "clcd_syn_gclk", }; +static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk", }; +static const char *uart_parents[] = { "pll3_clk", "uart_syn_gclk", }; +static const char *gpt0_1_parents[] = { "pll3_clk", "gpt0_1_syn_clk", }; +static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", }; +static const char *gpt3_parents[] = { "pll3_clk", "gpt3_syn_clk", }; static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", "pll2_clk", }; @@ -136,9 +135,9 @@ void __init spear6xx_clk_init(void) clk_register_clkdev(clk, NULL, "rtc-spear"); /* clock derived from 30 MHz osc clk */ - clk = clk_register_fixed_rate(NULL, "pll3_48m_clk", "osc_24m_clk", 0, + clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0, 48000000); - clk_register_clkdev(clk, "pll3_48m_clk", NULL); + clk_register_clkdev(clk, "pll3_clk", NULL); clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "osc_30m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), @@ -146,9 +145,9 @@ void __init spear6xx_clk_init(void) clk_register_clkdev(clk, "vco1_clk", NULL); clk_register_clkdev(clk1, "pll1_clk", NULL); - clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, - "osc_30m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, - ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); + clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "osc_30m_clk", + 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl), + &_lock, &clk1, NULL); clk_register_clkdev(clk, "vco2_clk", NULL); clk_register_clkdev(clk1, "pll2_clk", NULL); @@ -165,111 +164,111 @@ void __init spear6xx_clk_init(void) HCLK_RATIO_MASK, 0, &_lock); clk_register_clkdev(clk, "ahb_clk", NULL); - clk = clk_register_aux("uart_synth_clk", "uart_synth_gate_clk", - "pll1_clk", 0, UART_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "uart_synth_clk", NULL); - clk_register_clkdev(clk1, "uart_synth_gate_clk", NULL); + clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0, + UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "uart_syn_clk", NULL); + clk_register_clkdev(clk1, "uart_syn_gclk", NULL); - clk = clk_register_mux(NULL, "uart_mux_clk", uart_parents, + clk = clk_register_mux(NULL, "uart_mclk", uart_parents, ARRAY_SIZE(uart_parents), 0, PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "uart_mux_clk", NULL); + clk_register_clkdev(clk, "uart_mclk", NULL); - clk = clk_register_gate(NULL, "uart0", "uart_mux_clk", 0, - PERIP1_CLK_ENB, UART0_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "uart0", "uart_mclk", 0, PERIP1_CLK_ENB, + UART0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "d0000000.serial"); - clk = clk_register_gate(NULL, "uart1", "uart_mux_clk", 0, - PERIP1_CLK_ENB, UART1_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "uart1", "uart_mclk", 0, PERIP1_CLK_ENB, + UART1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "d0080000.serial"); - clk = clk_register_aux("firda_synth_clk", "firda_synth_gate_clk", - "pll1_clk", 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "firda_synth_clk", NULL); - clk_register_clkdev(clk1, "firda_synth_gate_clk", NULL); + clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", + 0, FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "firda_syn_clk", NULL); + clk_register_clkdev(clk1, "firda_syn_gclk", NULL); - clk = clk_register_mux(NULL, "firda_mux_clk", firda_parents, + clk = clk_register_mux(NULL, "firda_mclk", firda_parents, ARRAY_SIZE(firda_parents), 0, PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "firda_mux_clk", NULL); + clk_register_clkdev(clk, "firda_mclk", NULL); - clk = clk_register_gate(NULL, "firda_clk", "firda_mux_clk", 0, + clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", 0, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "firda"); - clk = clk_register_aux("clcd_synth_clk", "clcd_synth_gate_clk", - "pll1_clk", 0, CLCD_CLK_SYNT, NULL, aux_rtbl, - ARRAY_SIZE(aux_rtbl), &_lock, &clk1); - clk_register_clkdev(clk, "clcd_synth_clk", NULL); - clk_register_clkdev(clk1, "clcd_synth_gate_clk", NULL); + clk = clk_register_aux("clcd_syn_clk", "clcd_syn_gclk", "pll1_clk", + 0, CLCD_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "clcd_syn_clk", NULL); + clk_register_clkdev(clk1, "clcd_syn_gclk", NULL); - clk = clk_register_mux(NULL, "clcd_mux_clk", clcd_parents, + clk = clk_register_mux(NULL, "clcd_mclk", clcd_parents, ARRAY_SIZE(clcd_parents), 0, PERIP_CLK_CFG, CLCD_CLK_SHIFT, CLCD_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "clcd_mux_clk", NULL); + clk_register_clkdev(clk, "clcd_mclk", NULL); - clk = clk_register_gate(NULL, "clcd_clk", "clcd_mux_clk", 0, + clk = clk_register_gate(NULL, "clcd_clk", "clcd_mclk", 0, PERIP1_CLK_ENB, CLCD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "clcd"); /* gpt clocks */ - clk = clk_register_gpt("gpt0_1_synth_clk", "pll1_clk", 0, PRSC0_CLK_CFG, + clk = clk_register_gpt("gpt0_1_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); - clk_register_clkdev(clk, "gpt0_1_synth_clk", NULL); + clk_register_clkdev(clk, "gpt0_1_syn_clk", NULL); - clk = clk_register_mux(NULL, "gpt0_mux_clk", gpt0_1_parents, + clk = clk_register_mux(NULL, "gpt0_mclk", gpt0_1_parents, ARRAY_SIZE(gpt0_1_parents), 0, PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt0"); - clk = clk_register_mux(NULL, "gpt1_mux_clk", gpt0_1_parents, + clk = clk_register_mux(NULL, "gpt1_mclk", gpt0_1_parents, ARRAY_SIZE(gpt0_1_parents), 0, PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt1_mux_clk", NULL); + clk_register_clkdev(clk, "gpt1_mclk", NULL); - clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mux_clk", 0, + clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt1"); - clk = clk_register_gpt("gpt2_synth_clk", "pll1_clk", 0, PRSC1_CLK_CFG, + clk = clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); - clk_register_clkdev(clk, "gpt2_synth_clk", NULL); + clk_register_clkdev(clk, "gpt2_syn_clk", NULL); - clk = clk_register_mux(NULL, "gpt2_mux_clk", gpt2_parents, + clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents, ARRAY_SIZE(gpt2_parents), 0, PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt2_mux_clk", NULL); + clk_register_clkdev(clk, "gpt2_mclk", NULL); - clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mux_clk", 0, + clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt2"); - clk = clk_register_gpt("gpt3_synth_clk", "pll1_clk", 0, PRSC2_CLK_CFG, + clk = clk_register_gpt("gpt3_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock); - clk_register_clkdev(clk, "gpt3_synth_clk", NULL); + clk_register_clkdev(clk, "gpt3_syn_clk", NULL); - clk = clk_register_mux(NULL, "gpt3_mux_clk", gpt3_parents, + clk = clk_register_mux(NULL, "gpt3_mclk", gpt3_parents, ARRAY_SIZE(gpt3_parents), 0, PERIP_CLK_CFG, GPT3_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); - clk_register_clkdev(clk, "gpt3_mux_clk", NULL); + clk_register_clkdev(clk, "gpt3_mclk", NULL); - clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mux_clk", 0, + clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0, PERIP1_CLK_ENB, GPT3_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "gpt3"); /* clock derived from pll3 clk */ - clk = clk_register_gate(NULL, "usbh0_clk", "pll3_48m_clk", 0, + clk = clk_register_gate(NULL, "usbh0_clk", "pll3_clk", 0, PERIP1_CLK_ENB, USBH0_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "usbh.0_clk"); - clk = clk_register_gate(NULL, "usbh1_clk", "pll3_48m_clk", 0, + clk = clk_register_gate(NULL, "usbh1_clk", "pll3_clk", 0, PERIP1_CLK_ENB, USBH1_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "usbh.1_clk"); - clk = clk_register_gate(NULL, "usbd_clk", "pll3_48m_clk", 0, - PERIP1_CLK_ENB, USBD_CLK_ENB, 0, &_lock); + clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB, + USBD_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, NULL, "designware_udc"); /* clock derived from ahb clk */ @@ -278,9 +277,8 @@ void __init spear6xx_clk_init(void) clk_register_clkdev(clk, "ahbmult2_clk", NULL); clk = clk_register_mux(NULL, "ddr_clk", ddr_parents, - ARRAY_SIZE(ddr_parents), - 0, PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, - &_lock); + ARRAY_SIZE(ddr_parents), 0, PLL_CLK_CFG, MCTR_CLK_SHIFT, + MCTR_CLK_MASK, 0, &_lock); clk_register_clkdev(clk, "ddr_clk", NULL); clk = clk_register_divider(NULL, "apb_clk", "ahb_clk", diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index c4067d0141f7..542f0c04b695 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -136,7 +136,7 @@ config GPIO_MPC8XXX config GPIO_MSM_V1 tristate "Qualcomm MSM GPIO v1" - depends on GPIOLIB && ARCH_MSM + depends on GPIOLIB && ARCH_MSM && (ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50) help Say yes here to support the GPIO interface on ARM v6 based Qualcomm MSM chips. Most of the pins on the MSM can be diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c index 9e9947cb86a3..1077754f8289 100644 --- a/drivers/gpio/devres.c +++ b/drivers/gpio/devres.c @@ -98,6 +98,7 @@ int devm_gpio_request_one(struct device *dev, unsigned gpio, return 0; } +EXPORT_SYMBOL(devm_gpio_request_one); /** * devm_gpio_free - free an interrupt diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index c337143b18f8..c89c4c1e668d 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -398,10 +398,12 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev) writel(~0, port->base + GPIO_ISR); if (mxc_gpio_hwtype == IMX21_GPIO) { - /* setup one handler for all GPIO interrupts */ - if (pdev->id == 0) - irq_set_chained_handler(port->irq, - mx2_gpio_irq_handler); + /* + * Setup one handler for all GPIO interrupts. Actually setting + * the handler is needed only once, but doing it for every port + * is more robust and easier. + */ + irq_set_chained_handler(port->irq, mx2_gpio_irq_handler); } else { /* setup one handler for each entry */ irq_set_chained_handler(port->irq, mx3_gpio_irq_handler); diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index c4ed1722734c..4fbc208c32cf 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -174,12 +174,22 @@ static inline void _gpio_dbck_enable(struct gpio_bank *bank) if (bank->dbck_enable_mask && !bank->dbck_enabled) { clk_enable(bank->dbck); bank->dbck_enabled = true; + + __raw_writel(bank->dbck_enable_mask, + bank->base + bank->regs->debounce_en); } } static inline void _gpio_dbck_disable(struct gpio_bank *bank) { if (bank->dbck_enable_mask && bank->dbck_enabled) { + /* + * Disable debounce before cutting it's clock. If debounce is + * enabled but the clock is not, GPIO module seems to be unable + * to detect events and generate interrupts at least on OMAP3. + */ + __raw_writel(0, bank->base + bank->regs->debounce_en); + clk_disable(bank->dbck); bank->dbck_enabled = false; } @@ -1081,7 +1091,6 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev) bank->is_mpuio = pdata->is_mpuio; bank->non_wakeup_gpios = pdata->non_wakeup_gpios; bank->loses_context = pdata->loses_context; - bank->get_context_loss_count = pdata->get_context_loss_count; bank->regs = pdata->regs; #ifdef CONFIG_OF_GPIO bank->chip.of_node = of_node_get(node); @@ -1135,6 +1144,9 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev) omap_gpio_chip_init(bank); omap_gpio_show_rev(bank); + if (bank->loses_context) + bank->get_context_loss_count = pdata->get_context_loss_count; + pm_runtime_put(bank->dev); list_add_tail(&bank->node, &omap_gpio_list); diff --git a/drivers/gpio/gpio-sta2x11.c b/drivers/gpio/gpio-sta2x11.c index 38416be8ba11..6064fb376e11 100644 --- a/drivers/gpio/gpio-sta2x11.c +++ b/drivers/gpio/gpio-sta2x11.c @@ -383,8 +383,9 @@ static int __devinit gsta_probe(struct platform_device *dev) } spin_lock_init(&chip->lock); gsta_gpio_setup(chip); - for (i = 0; i < GSTA_NR_GPIO; i++) - gsta_set_config(chip, i, gpio_pdata->pinconfig[i]); + if (gpio_pdata) + for (i = 0; i < GSTA_NR_GPIO; i++) + gsta_set_config(chip, i, gpio_pdata->pinconfig[i]); /* 384 was used in previous code: be compatible for other drivers */ err = irq_alloc_descs(-1, 384, GSTA_NR_GPIO, NUMA_NO_NODE); diff --git a/drivers/gpio/gpio-tps65910.c b/drivers/gpio/gpio-tps65910.c index c1ad2884f2ed..11f29c82253c 100644 --- a/drivers/gpio/gpio-tps65910.c +++ b/drivers/gpio/gpio-tps65910.c @@ -149,6 +149,9 @@ static int __devinit tps65910_gpio_probe(struct platform_device *pdev) tps65910_gpio->gpio_chip.set = tps65910_gpio_set; tps65910_gpio->gpio_chip.get = tps65910_gpio_get; tps65910_gpio->gpio_chip.dev = &pdev->dev; +#ifdef CONFIG_OF_GPIO + tps65910_gpio->gpio_chip.of_node = tps65910->dev->of_node; +#endif if (pdata && pdata->gpio_base) tps65910_gpio->gpio_chip.base = pdata->gpio_base; else diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c index 92ea5350dfe9..aa61ad2fcaaa 100644 --- a/drivers/gpio/gpio-wm8994.c +++ b/drivers/gpio/gpio-wm8994.c @@ -89,8 +89,11 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip, struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); struct wm8994 *wm8994 = wm8994_gpio->wm8994; + if (value) + value = WM8994_GPN_LVL; + return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, - WM8994_GPN_DIR, 0); + WM8994_GPN_DIR | WM8994_GPN_LVL, value); } static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value) diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index 9764045428ce..b7e7b49d8f62 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -78,21 +78,6 @@ static int cdv_backlight_combination_mode(struct drm_device *dev) return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE; } -static int cdv_get_brightness(struct backlight_device *bd) -{ - struct drm_device *dev = bl_get_data(bd); - u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; - - if (cdv_backlight_combination_mode(dev)) { - u8 lbpc; - - val &= ~1; - pci_read_config_byte(dev->pdev, 0xF4, &lbpc); - val *= lbpc; - } - return val; -} - static u32 cdv_get_max_backlight(struct drm_device *dev) { u32 max = REG_READ(BLC_PWM_CTL); @@ -110,6 +95,22 @@ static u32 cdv_get_max_backlight(struct drm_device *dev) return max; } +static int cdv_get_brightness(struct backlight_device *bd) +{ + struct drm_device *dev = bl_get_data(bd); + u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; + + if (cdv_backlight_combination_mode(dev)) { + u8 lbpc; + + val &= ~1; + pci_read_config_byte(dev->pdev, 0xF4, &lbpc); + val *= lbpc; + } + return (val * 100)/cdv_get_max_backlight(dev); + +} + static int cdv_set_brightness(struct backlight_device *bd) { struct drm_device *dev = bl_get_data(bd); @@ -120,6 +121,9 @@ static int cdv_set_brightness(struct backlight_device *bd) if (level < 1) level = 1; + level *= cdv_get_max_backlight(dev); + level /= 100; + if (cdv_backlight_combination_mode(dev)) { u32 max = cdv_get_max_backlight(dev); u8 lbpc; @@ -157,7 +161,6 @@ static int cdv_backlight_init(struct drm_device *dev) cdv_backlight_device->props.brightness = cdv_get_brightness(cdv_backlight_device); - cdv_backlight_device->props.max_brightness = cdv_get_max_backlight(dev); backlight_update_status(cdv_backlight_device); dev_priv->backlight_device = cdv_backlight_device; return 0; diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c index 4f186eca3a30..c430bd424681 100644 --- a/drivers/gpu/drm/gma500/opregion.c +++ b/drivers/gpu/drm/gma500/opregion.c @@ -144,6 +144,8 @@ struct opregion_asle { #define ASLE_CBLV_VALID (1<<31) +static struct psb_intel_opregion *system_opregion; + static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) { struct drm_psb_private *dev_priv = dev->dev_private; @@ -205,7 +207,7 @@ void psb_intel_opregion_enable_asle(struct drm_device *dev) struct drm_psb_private *dev_priv = dev->dev_private; struct opregion_asle *asle = dev_priv->opregion.asle; - if (asle) { + if (asle && system_opregion ) { /* Don't do this on Medfield or other non PC like devices, they use the bit for something different altogether */ psb_enable_pipestat(dev_priv, 0, PIPE_LEGACY_BLC_EVENT_ENABLE); @@ -221,7 +223,6 @@ void psb_intel_opregion_enable_asle(struct drm_device *dev) #define ACPI_EV_LID (1<<1) #define ACPI_EV_DOCK (1<<2) -static struct psb_intel_opregion *system_opregion; static int psb_intel_opregion_video_event(struct notifier_block *nb, unsigned long val, void *data) @@ -266,9 +267,6 @@ void psb_intel_opregion_init(struct drm_device *dev) system_opregion = opregion; register_acpi_notifier(&psb_intel_opregion_notifier); } - - if (opregion->asle) - psb_intel_opregion_enable_asle(dev); } void psb_intel_opregion_fini(struct drm_device *dev) diff --git a/drivers/gpu/drm/gma500/opregion.h b/drivers/gpu/drm/gma500/opregion.h index 72dc6b921265..4a90f8b0e16c 100644 --- a/drivers/gpu/drm/gma500/opregion.h +++ b/drivers/gpu/drm/gma500/opregion.h @@ -27,6 +27,7 @@ extern void psb_intel_opregion_asle_intr(struct drm_device *dev); extern void psb_intel_opregion_init(struct drm_device *dev); extern void psb_intel_opregion_fini(struct drm_device *dev); extern int psb_intel_opregion_setup(struct drm_device *dev); +extern void psb_intel_opregion_enable_asle(struct drm_device *dev); #else @@ -46,4 +47,8 @@ extern inline int psb_intel_opregion_setup(struct drm_device *dev) { return 0; } + +extern inline void psb_intel_opregion_enable_asle(struct drm_device *dev) +{ +} #endif diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index eff039bf92d4..5971bc82b765 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -144,6 +144,10 @@ static int psb_backlight_init(struct drm_device *dev) psb_backlight_device->props.max_brightness = 100; backlight_update_status(psb_backlight_device); dev_priv->backlight_device = psb_backlight_device; + + /* This must occur after the backlight is properly initialised */ + psb_lid_timer_init(dev_priv); + return 0; } @@ -354,13 +358,6 @@ static int psb_chip_setup(struct drm_device *dev) return 0; } -/* Not exactly an erratum more an irritation */ -static void psb_chip_errata(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - psb_lid_timer_init(dev_priv); -} - static void psb_chip_teardown(struct drm_device *dev) { struct drm_psb_private *dev_priv = dev->dev_private; @@ -379,7 +376,6 @@ const struct psb_ops psb_chip_ops = { .sgx_offset = PSB_SGX_OFFSET, .chip_setup = psb_chip_setup, .chip_teardown = psb_chip_teardown, - .errata = psb_chip_errata, .crtc_helper = &psb_intel_helper_funcs, .crtc_funcs = &psb_intel_crtc_funcs, diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index caba6e08693c..a8858a907f47 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -374,6 +374,7 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) if (ret) return ret; + psb_intel_opregion_enable_asle(dev); #if 0 /*enable runtime pm at last*/ pm_runtime_enable(&dev->pdev->dev); diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index bef04c192768..3fda8c87f02c 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -386,6 +386,7 @@ config HID_MULTITOUCH - Unitec Panels - XAT optical touch panels - Xiroku optical touch panels + - Zytronic touch panels If unsure, say N. diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index fa10f847f7db..585344b6d338 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -517,6 +517,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 6ac0286b5375..4c87276c8ddb 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1503,6 +1503,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -1995,6 +1998,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) }, { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, @@ -2089,6 +2093,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index d1cdd2d28409..32039235cfee 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -125,6 +125,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d #define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS 0x024e +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI 0x0239 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO 0x023a #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS 0x023b @@ -518,6 +521,9 @@ #define USB_DEVICE_ID_CRYSTALTOUCH 0x0006 #define USB_DEVICE_ID_CRYSTALTOUCH_DUAL 0x0007 +#define USB_VENDOR_ID_MADCATZ 0x0738 +#define USB_DEVICE_ID_MADCATZ_BEATPAD 0x4540 + #define USB_VENDOR_ID_MCC 0x09db #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a @@ -653,6 +659,9 @@ #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 #define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE 0x0600 +#define USB_VENDOR_ID_SENNHEISER 0x1395 +#define USB_DEVICE_ID_SENNHEISER_BTD500USB 0x002c + #define USB_VENDOR_ID_SIGMA_MICRO 0x1c4f #define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD 0x0002 @@ -802,6 +811,9 @@ #define USB_VENDOR_ID_ZYDACRON 0x13EC #define USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL 0x0006 +#define USB_VENDOR_ID_ZYTRONIC 0x14c8 +#define USB_DEVICE_ID_ZYTRONIC_ZXY100 0x0005 + #define USB_VENDOR_ID_PRIMAX 0x0461 #define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 132b0019365e..5301006f6c15 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -301,6 +301,9 @@ static const struct hid_device_id hid_battery_quirks[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), + HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, {} }; diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 6e3332a99976..76479246d4ee 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1048,6 +1048,11 @@ static const struct hid_device_id mt_devices[] = { MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) }, + /* Zytronic panels */ + { .driver_data = MT_CLS_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC, + USB_DEVICE_ID_ZYTRONIC_ZXY100) }, + /* Generic MT device */ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, { } diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 0597ee604f6e..903eef3d3e10 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -76,6 +76,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET }, diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index e7701d99f8e8..f1de3979181f 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -2341,7 +2341,7 @@ static void __devinit it87_init_device(struct platform_device *pdev) /* Start monitoring */ it87_write_value(data, IT87_REG_CONFIG, - (it87_read_value(data, IT87_REG_CONFIG) & 0x36) + (it87_read_value(data, IT87_REG_CONFIG) & 0x3e) | (update_vbat ? 0x41 : 0x01)); } diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 61c9cf15fa52..1201a15784c3 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -345,7 +345,7 @@ int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev, spin_lock_init(&hwlock->lock); hwlock->bank = bank; - ret = hwspin_lock_register_single(hwlock, i); + ret = hwspin_lock_register_single(hwlock, base_id + i); if (ret) goto reg_failed; } @@ -354,7 +354,7 @@ int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev, reg_failed: while (--i >= 0) - hwspin_lock_unregister_single(i); + hwspin_lock_unregister_single(base_id + i); return ret; } EXPORT_SYMBOL_GPL(hwspin_lock_register); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 5c1bc995e560..f10221f40803 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -123,7 +123,7 @@ static void ipoib_ud_skb_put_frags(struct ipoib_dev_priv *priv, skb_frag_size_set(frag, size); skb->data_len += size; - skb->truesize += size; + skb->truesize += PAGE_SIZE; } else skb_put(skb, length); @@ -156,14 +156,18 @@ static struct sk_buff *ipoib_alloc_rx_skb(struct net_device *dev, int id) struct ipoib_dev_priv *priv = netdev_priv(dev); struct sk_buff *skb; int buf_size; + int tailroom; u64 *mapping; - if (ipoib_ud_need_sg(priv->max_ib_mtu)) + if (ipoib_ud_need_sg(priv->max_ib_mtu)) { buf_size = IPOIB_UD_HEAD_SIZE; - else + tailroom = 128; /* reserve some tailroom for IP/TCP headers */ + } else { buf_size = IPOIB_UD_BUF_SIZE(priv->max_ib_mtu); + tailroom = 0; + } - skb = dev_alloc_skb(buf_size + 4); + skb = dev_alloc_skb(buf_size + tailroom + 4); if (unlikely(!skb)) return NULL; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index ee16fb67b7ae..83811e45d633 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -142,6 +142,7 @@ static const struct xpad_device { { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX }, { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX }, { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX }, + { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX }, { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX }, @@ -164,6 +165,7 @@ static const struct xpad_device { { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, + { 0x1689, 0xfd00, "Razer Onza Tournament Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX }, { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN } }; @@ -238,12 +240,14 @@ static struct usb_device_id xpad_table [] = { XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ + { USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ - XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ + XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ + XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ { } }; diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 2cf681d98c0d..d528c23e194f 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -79,6 +79,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254 +/* MacbookPro10,1 (unibody, June 2012) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 +#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -128,6 +132,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS), + /* MacbookPro10,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), /* Terminating entry */ {} }; @@ -354,6 +362,18 @@ static const struct bcm5974_config bcm5974_config_table[] = { { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING7_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING7_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4750, 5280 }, + { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } + }, {} }; diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 340893727538..9f69b561f5db 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -13,6 +13,10 @@ menuconfig IOMMU_SUPPORT if IOMMU_SUPPORT +config OF_IOMMU + def_bool y + depends on OF + # MSM IOMMU support config MSM_IOMMU bool "MSM IOMMU Support" @@ -154,7 +158,7 @@ config TEGRA_IOMMU_GART config TEGRA_IOMMU_SMMU bool "Tegra SMMU IOMMU Support" - depends on ARCH_TEGRA_3x_SOC + depends on ARCH_TEGRA_3x_SOC && TEGRA_AHB select IOMMU_API help Enables support for remapping discontiguous physical memory diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 76e54ef796de..14a4d5fc94fa 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_IOMMU_API) += iommu.o +obj-$(CONFIG_OF_IOMMU) += of_iommu.o obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o msm_iommu_dev.o obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o obj-$(CONFIG_AMD_IOMMU_V2) += amd_iommu_v2.o diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 259a6beddece..6d1cbdfc9b2a 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -83,6 +83,8 @@ static struct iommu_ops amd_iommu_ops; static ATOMIC_NOTIFIER_HEAD(ppr_notifier); int amd_iommu_max_glx_val = -1; +static struct dma_map_ops amd_iommu_dma_ops; + /* * general struct to manage commands send to an IOMMU */ @@ -254,11 +256,21 @@ static bool check_device(struct device *dev) return true; } +static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to) +{ + pci_dev_put(*from); + *from = to; +} + +#define REQ_ACS_FLAGS (PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF) + static int iommu_init_device(struct device *dev) { - struct pci_dev *pdev = to_pci_dev(dev); + struct pci_dev *dma_pdev, *pdev = to_pci_dev(dev); struct iommu_dev_data *dev_data; + struct iommu_group *group; u16 alias; + int ret; if (dev->archdata.iommu) return 0; @@ -279,8 +291,43 @@ static int iommu_init_device(struct device *dev) return -ENOTSUPP; } dev_data->alias_data = alias_data; + + dma_pdev = pci_get_bus_and_slot(alias >> 8, alias & 0xff); + } else + dma_pdev = pci_dev_get(pdev); + + swap_pci_ref(&dma_pdev, pci_get_dma_source(dma_pdev)); + + if (dma_pdev->multifunction && + !pci_acs_enabled(dma_pdev, REQ_ACS_FLAGS)) + swap_pci_ref(&dma_pdev, + pci_get_slot(dma_pdev->bus, + PCI_DEVFN(PCI_SLOT(dma_pdev->devfn), + 0))); + + while (!pci_is_root_bus(dma_pdev->bus)) { + if (pci_acs_path_enabled(dma_pdev->bus->self, + NULL, REQ_ACS_FLAGS)) + break; + + swap_pci_ref(&dma_pdev, pci_dev_get(dma_pdev->bus->self)); + } + + group = iommu_group_get(&dma_pdev->dev); + pci_dev_put(dma_pdev); + if (!group) { + group = iommu_group_alloc(); + if (IS_ERR(group)) + return PTR_ERR(group); } + ret = iommu_group_add_device(group, dev); + + iommu_group_put(group); + + if (ret) + return ret; + if (pci_iommuv2_capable(pdev)) { struct amd_iommu *iommu; @@ -309,6 +356,8 @@ static void iommu_ignore_device(struct device *dev) static void iommu_uninit_device(struct device *dev) { + iommu_group_remove_device(dev); + /* * Nothing to do here - we keep dev_data around for unplugged devices * and reuse it when the device is re-plugged - not doing so would @@ -382,7 +431,6 @@ DECLARE_STATS_COUNTER(invalidate_iotlb); DECLARE_STATS_COUNTER(invalidate_iotlb_all); DECLARE_STATS_COUNTER(pri_requests); - static struct dentry *stats_dir; static struct dentry *de_fflush; @@ -402,7 +450,7 @@ static void amd_iommu_stats_init(void) return; de_fflush = debugfs_create_bool("fullflush", 0444, stats_dir, - (u32 *)&amd_iommu_unmap_flush); + &amd_iommu_unmap_flush); amd_iommu_stats_add(&compl_wait); amd_iommu_stats_add(&cnt_map_single); @@ -2071,7 +2119,7 @@ out_err: /* FIXME: Move this to PCI code */ #define PCI_PRI_TLP_OFF (1 << 15) -bool pci_pri_tlp_required(struct pci_dev *pdev) +static bool pci_pri_tlp_required(struct pci_dev *pdev) { u16 status; int pos; @@ -2252,6 +2300,18 @@ static int device_change_notifier(struct notifier_block *nb, iommu_init_device(dev); + /* + * dev_data is still NULL and + * got initialized in iommu_init_device + */ + dev_data = get_dev_data(dev); + + if (iommu_pass_through || dev_data->iommu_v2) { + dev_data->passthrough = true; + attach_device(dev, pt_domain); + break; + } + domain = domain_for_device(dev); /* allocate a protection domain if a device is added */ @@ -2267,6 +2327,10 @@ static int device_change_notifier(struct notifier_block *nb, list_add_tail(&dma_domain->list, &iommu_pd_list); spin_unlock_irqrestore(&iommu_pd_list_lock, flags); + dev_data = get_dev_data(dev); + + dev->archdata.dma_ops = &amd_iommu_dma_ops; + break; case BUS_NOTIFY_DEL_DEVICE: @@ -2963,6 +3027,11 @@ int __init amd_iommu_init_dma_ops(void) amd_iommu_stats_init(); + if (amd_iommu_unmap_flush) + pr_info("AMD-Vi: IO/TLB flush on unmap enabled\n"); + else + pr_info("AMD-Vi: Lazy IO/TLB flushing enabled\n"); + return 0; free_domains: @@ -3231,26 +3300,6 @@ static int amd_iommu_domain_has_cap(struct iommu_domain *domain, return 0; } -static int amd_iommu_device_group(struct device *dev, unsigned int *groupid) -{ - struct iommu_dev_data *dev_data = dev->archdata.iommu; - struct pci_dev *pdev = to_pci_dev(dev); - u16 devid; - - if (!dev_data) - return -ENODEV; - - if (pdev->is_virtfn || !iommu_group_mf) - devid = dev_data->devid; - else - devid = calc_devid(pdev->bus->number, - PCI_DEVFN(PCI_SLOT(pdev->devfn), 0)); - - *groupid = amd_iommu_alias_table[devid]; - - return 0; -} - static struct iommu_ops amd_iommu_ops = { .domain_init = amd_iommu_domain_init, .domain_destroy = amd_iommu_domain_destroy, @@ -3260,7 +3309,6 @@ static struct iommu_ops amd_iommu_ops = { .unmap = amd_iommu_unmap, .iova_to_phys = amd_iommu_iova_to_phys, .domain_has_cap = amd_iommu_domain_has_cap, - .device_group = amd_iommu_device_group, .pgsize_bitmap = AMD_IOMMU_PGSIZES, }; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 542024ba6dba..500e7f15f5c2 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -26,6 +26,8 @@ #include <linux/msi.h> #include <linux/amd-iommu.h> #include <linux/export.h> +#include <linux/acpi.h> +#include <acpi/acpi.h> #include <asm/pci-direct.h> #include <asm/iommu.h> #include <asm/gart.h> @@ -122,14 +124,14 @@ struct ivmd_header { bool amd_iommu_dump; -static int __initdata amd_iommu_detected; +static bool amd_iommu_detected; static bool __initdata amd_iommu_disabled; u16 amd_iommu_last_bdf; /* largest PCI device id we have to handle */ LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings we find in ACPI */ -bool amd_iommu_unmap_flush; /* if true, flush on every unmap */ +u32 amd_iommu_unmap_flush; /* if true, flush on every unmap */ LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the system */ @@ -149,11 +151,6 @@ bool amd_iommu_v2_present __read_mostly; bool amd_iommu_force_isolation __read_mostly; /* - * The ACPI table parsing functions set this variable on an error - */ -static int __initdata amd_iommu_init_err; - -/* * List of protection domains - used during resume */ LIST_HEAD(amd_iommu_pd_list); @@ -190,13 +187,23 @@ static u32 dev_table_size; /* size of the device table */ static u32 alias_table_size; /* size of the alias table */ static u32 rlookup_table_size; /* size if the rlookup table */ -/* - * This function flushes all internal caches of - * the IOMMU used by this driver. - */ -extern void iommu_flush_all_caches(struct amd_iommu *iommu); +enum iommu_init_state { + IOMMU_START_STATE, + IOMMU_IVRS_DETECTED, + IOMMU_ACPI_FINISHED, + IOMMU_ENABLED, + IOMMU_PCI_INIT, + IOMMU_INTERRUPTS_EN, + IOMMU_DMA_OPS, + IOMMU_INITIALIZED, + IOMMU_NOT_FOUND, + IOMMU_INIT_ERROR, +}; + +static enum iommu_init_state init_state = IOMMU_START_STATE; static int amd_iommu_enable_interrupts(void); +static int __init iommu_go_to_state(enum iommu_init_state state); static inline void update_last_devid(u16 devid) { @@ -321,23 +328,6 @@ static void iommu_set_inv_tlb_timeout(struct amd_iommu *iommu, int timeout) /* Function to enable the hardware */ static void iommu_enable(struct amd_iommu *iommu) { - static const char * const feat_str[] = { - "PreF", "PPR", "X2APIC", "NX", "GT", "[5]", - "IA", "GA", "HE", "PC", NULL - }; - int i; - - printk(KERN_INFO "AMD-Vi: Enabling IOMMU at %s cap 0x%hx", - dev_name(&iommu->dev->dev), iommu->cap_ptr); - - if (iommu->cap & (1 << IOMMU_CAP_EFR)) { - printk(KERN_CONT " extended features: "); - for (i = 0; feat_str[i]; ++i) - if (iommu_feature(iommu, (1ULL << i))) - printk(KERN_CONT " %s", feat_str[i]); - } - printk(KERN_CONT "\n"); - iommu_feature_enable(iommu, CONTROL_IOMMU_EN); } @@ -358,7 +348,7 @@ static void iommu_disable(struct amd_iommu *iommu) * mapping and unmapping functions for the IOMMU MMIO space. Each AMD IOMMU in * the system has one. */ -static u8 * __init iommu_map_mmio_space(u64 address) +static u8 __iomem * __init iommu_map_mmio_space(u64 address) { if (!request_mem_region(address, MMIO_REGION_LENGTH, "amd_iommu")) { pr_err("AMD-Vi: Can not reserve memory region %llx for mmio\n", @@ -367,7 +357,7 @@ static u8 * __init iommu_map_mmio_space(u64 address) return NULL; } - return ioremap_nocache(address, MMIO_REGION_LENGTH); + return (u8 __iomem *)ioremap_nocache(address, MMIO_REGION_LENGTH); } static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu) @@ -463,11 +453,9 @@ static int __init find_last_devid_acpi(struct acpi_table_header *table) */ for (i = 0; i < table->length; ++i) checksum += p[i]; - if (checksum != 0) { + if (checksum != 0) /* ACPI table corrupt */ - amd_iommu_init_err = -ENODEV; - return 0; - } + return -ENODEV; p += IVRS_HEADER_LENGTH; @@ -726,90 +714,6 @@ static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m) } /* - * This function reads some important data from the IOMMU PCI space and - * initializes the driver data structure with it. It reads the hardware - * capabilities and the first/last device entries - */ -static void __init init_iommu_from_pci(struct amd_iommu *iommu) -{ - int cap_ptr = iommu->cap_ptr; - u32 range, misc, low, high; - int i, j; - - pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET, - &iommu->cap); - pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET, - &range); - pci_read_config_dword(iommu->dev, cap_ptr + MMIO_MISC_OFFSET, - &misc); - - iommu->first_device = calc_devid(MMIO_GET_BUS(range), - MMIO_GET_FD(range)); - iommu->last_device = calc_devid(MMIO_GET_BUS(range), - MMIO_GET_LD(range)); - iommu->evt_msi_num = MMIO_MSI_NUM(misc); - - if (!(iommu->cap & (1 << IOMMU_CAP_IOTLB))) - amd_iommu_iotlb_sup = false; - - /* read extended feature bits */ - low = readl(iommu->mmio_base + MMIO_EXT_FEATURES); - high = readl(iommu->mmio_base + MMIO_EXT_FEATURES + 4); - - iommu->features = ((u64)high << 32) | low; - - if (iommu_feature(iommu, FEATURE_GT)) { - int glxval; - u32 pasids; - u64 shift; - - shift = iommu->features & FEATURE_PASID_MASK; - shift >>= FEATURE_PASID_SHIFT; - pasids = (1 << shift); - - amd_iommu_max_pasids = min(amd_iommu_max_pasids, pasids); - - glxval = iommu->features & FEATURE_GLXVAL_MASK; - glxval >>= FEATURE_GLXVAL_SHIFT; - - if (amd_iommu_max_glx_val == -1) - amd_iommu_max_glx_val = glxval; - else - amd_iommu_max_glx_val = min(amd_iommu_max_glx_val, glxval); - } - - if (iommu_feature(iommu, FEATURE_GT) && - iommu_feature(iommu, FEATURE_PPR)) { - iommu->is_iommu_v2 = true; - amd_iommu_v2_present = true; - } - - if (!is_rd890_iommu(iommu->dev)) - return; - - /* - * Some rd890 systems may not be fully reconfigured by the BIOS, so - * it's necessary for us to store this information so it can be - * reprogrammed on resume - */ - - pci_read_config_dword(iommu->dev, iommu->cap_ptr + 4, - &iommu->stored_addr_lo); - pci_read_config_dword(iommu->dev, iommu->cap_ptr + 8, - &iommu->stored_addr_hi); - - /* Low bit locks writes to configuration space */ - iommu->stored_addr_lo &= ~1; - - for (i = 0; i < 6; i++) - for (j = 0; j < 0x12; j++) - iommu->stored_l1[i][j] = iommu_read_l1(iommu, i, j); - - for (i = 0; i < 0x83; i++) - iommu->stored_l2[i] = iommu_read_l2(iommu, i); -} - -/* * Takes a pointer to an AMD IOMMU entry in the ACPI table and * initializes the hardware and our data structures with it. */ @@ -1025,13 +929,7 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) /* * Copy data from ACPI table entry to the iommu struct */ - iommu->dev = pci_get_bus_and_slot(PCI_BUS(h->devid), h->devid & 0xff); - if (!iommu->dev) - return 1; - - iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number, - PCI_DEVFN(0, 0)); - + iommu->devid = h->devid; iommu->cap_ptr = h->cap_ptr; iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; @@ -1049,20 +947,10 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) iommu->int_enabled = false; - init_iommu_from_pci(iommu); init_iommu_from_acpi(iommu, h); init_iommu_devices(iommu); - if (iommu_feature(iommu, FEATURE_PPR)) { - iommu->ppr_log = alloc_ppr_log(iommu); - if (!iommu->ppr_log) - return -ENOMEM; - } - - if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) - amd_iommu_np_cache = true; - - return pci_enable_device(iommu->dev); + return 0; } /* @@ -1093,16 +981,12 @@ static int __init init_iommu_all(struct acpi_table_header *table) h->mmio_phys); iommu = kzalloc(sizeof(struct amd_iommu), GFP_KERNEL); - if (iommu == NULL) { - amd_iommu_init_err = -ENOMEM; - return 0; - } + if (iommu == NULL) + return -ENOMEM; ret = init_iommu_one(iommu, h); - if (ret) { - amd_iommu_init_err = ret; - return 0; - } + if (ret) + return ret; break; default: break; @@ -1115,6 +999,148 @@ static int __init init_iommu_all(struct acpi_table_header *table) return 0; } +static int iommu_init_pci(struct amd_iommu *iommu) +{ + int cap_ptr = iommu->cap_ptr; + u32 range, misc, low, high; + + iommu->dev = pci_get_bus_and_slot(PCI_BUS(iommu->devid), + iommu->devid & 0xff); + if (!iommu->dev) + return -ENODEV; + + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET, + &iommu->cap); + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET, + &range); + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_MISC_OFFSET, + &misc); + + iommu->first_device = calc_devid(MMIO_GET_BUS(range), + MMIO_GET_FD(range)); + iommu->last_device = calc_devid(MMIO_GET_BUS(range), + MMIO_GET_LD(range)); + + if (!(iommu->cap & (1 << IOMMU_CAP_IOTLB))) + amd_iommu_iotlb_sup = false; + + /* read extended feature bits */ + low = readl(iommu->mmio_base + MMIO_EXT_FEATURES); + high = readl(iommu->mmio_base + MMIO_EXT_FEATURES + 4); + + iommu->features = ((u64)high << 32) | low; + + if (iommu_feature(iommu, FEATURE_GT)) { + int glxval; + u32 pasids; + u64 shift; + + shift = iommu->features & FEATURE_PASID_MASK; + shift >>= FEATURE_PASID_SHIFT; + pasids = (1 << shift); + + amd_iommu_max_pasids = min(amd_iommu_max_pasids, pasids); + + glxval = iommu->features & FEATURE_GLXVAL_MASK; + glxval >>= FEATURE_GLXVAL_SHIFT; + + if (amd_iommu_max_glx_val == -1) + amd_iommu_max_glx_val = glxval; + else + amd_iommu_max_glx_val = min(amd_iommu_max_glx_val, glxval); + } + + if (iommu_feature(iommu, FEATURE_GT) && + iommu_feature(iommu, FEATURE_PPR)) { + iommu->is_iommu_v2 = true; + amd_iommu_v2_present = true; + } + + if (iommu_feature(iommu, FEATURE_PPR)) { + iommu->ppr_log = alloc_ppr_log(iommu); + if (!iommu->ppr_log) + return -ENOMEM; + } + + if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) + amd_iommu_np_cache = true; + + if (is_rd890_iommu(iommu->dev)) { + int i, j; + + iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number, + PCI_DEVFN(0, 0)); + + /* + * Some rd890 systems may not be fully reconfigured by the + * BIOS, so it's necessary for us to store this information so + * it can be reprogrammed on resume + */ + pci_read_config_dword(iommu->dev, iommu->cap_ptr + 4, + &iommu->stored_addr_lo); + pci_read_config_dword(iommu->dev, iommu->cap_ptr + 8, + &iommu->stored_addr_hi); + + /* Low bit locks writes to configuration space */ + iommu->stored_addr_lo &= ~1; + + for (i = 0; i < 6; i++) + for (j = 0; j < 0x12; j++) + iommu->stored_l1[i][j] = iommu_read_l1(iommu, i, j); + + for (i = 0; i < 0x83; i++) + iommu->stored_l2[i] = iommu_read_l2(iommu, i); + } + + return pci_enable_device(iommu->dev); +} + +static void print_iommu_info(void) +{ + static const char * const feat_str[] = { + "PreF", "PPR", "X2APIC", "NX", "GT", "[5]", + "IA", "GA", "HE", "PC" + }; + struct amd_iommu *iommu; + + for_each_iommu(iommu) { + int i; + + pr_info("AMD-Vi: Found IOMMU at %s cap 0x%hx\n", + dev_name(&iommu->dev->dev), iommu->cap_ptr); + + if (iommu->cap & (1 << IOMMU_CAP_EFR)) { + pr_info("AMD-Vi: Extended features: "); + for (i = 0; ARRAY_SIZE(feat_str); ++i) { + if (iommu_feature(iommu, (1ULL << i))) + pr_cont(" %s", feat_str[i]); + } + } + pr_cont("\n"); + } +} + +static int __init amd_iommu_init_pci(void) +{ + struct amd_iommu *iommu; + int ret = 0; + + for_each_iommu(iommu) { + ret = iommu_init_pci(iommu); + if (ret) + break; + } + + /* Make sure ACS will be enabled */ + pci_request_acs(); + + ret = amd_iommu_init_devices(); + + print_iommu_info(); + + return ret; +} + /**************************************************************************** * * The following functions initialize the MSI interrupts for all IOMMUs @@ -1217,7 +1243,7 @@ static int __init init_exclusion_range(struct ivmd_header *m) /* called for unity map ACPI definition */ static int __init init_unity_map_range(struct ivmd_header *m) { - struct unity_map_entry *e = 0; + struct unity_map_entry *e = NULL; char *s; e = kzalloc(sizeof(*e), GFP_KERNEL); @@ -1369,7 +1395,7 @@ static void iommu_apply_resume_quirks(struct amd_iommu *iommu) * This function finally enables all IOMMUs found in the system after * they have been initialized */ -static void enable_iommus(void) +static void early_enable_iommus(void) { struct amd_iommu *iommu; @@ -1379,14 +1405,29 @@ static void enable_iommus(void) iommu_set_device_table(iommu); iommu_enable_command_buffer(iommu); iommu_enable_event_buffer(iommu); - iommu_enable_ppr_log(iommu); - iommu_enable_gt(iommu); iommu_set_exclusion_range(iommu); iommu_enable(iommu); iommu_flush_all_caches(iommu); } } +static void enable_iommus_v2(void) +{ + struct amd_iommu *iommu; + + for_each_iommu(iommu) { + iommu_enable_ppr_log(iommu); + iommu_enable_gt(iommu); + } +} + +static void enable_iommus(void) +{ + early_enable_iommus(); + + enable_iommus_v2(); +} + static void disable_iommus(void) { struct amd_iommu *iommu; @@ -1481,16 +1522,23 @@ static void __init free_on_init_error(void) * After everything is set up the IOMMUs are enabled and the necessary * hotplug and suspend notifiers are registered. */ -int __init amd_iommu_init_hardware(void) +static int __init early_amd_iommu_init(void) { + struct acpi_table_header *ivrs_base; + acpi_size ivrs_size; + acpi_status status; int i, ret = 0; if (!amd_iommu_detected) return -ENODEV; - if (amd_iommu_dev_table != NULL) { - /* Hardware already initialized */ - return 0; + status = acpi_get_table_with_size("IVRS", 0, &ivrs_base, &ivrs_size); + if (status == AE_NOT_FOUND) + return -ENODEV; + else if (ACPI_FAILURE(status)) { + const char *err = acpi_format_exception(status); + pr_err("AMD-Vi: IVRS table error: %s\n", err); + return -EINVAL; } /* @@ -1498,10 +1546,7 @@ int __init amd_iommu_init_hardware(void) * we need to handle. Upon this information the shared data * structures for the IOMMUs in the system will be allocated */ - if (acpi_table_parse("IVRS", find_last_devid_acpi) != 0) - return -ENODEV; - - ret = amd_iommu_init_err; + ret = find_last_devid_acpi(ivrs_base); if (ret) goto out; @@ -1523,20 +1568,20 @@ int __init amd_iommu_init_hardware(void) amd_iommu_alias_table = (void *)__get_free_pages(GFP_KERNEL, get_order(alias_table_size)); if (amd_iommu_alias_table == NULL) - goto free; + goto out; /* IOMMU rlookup table - find the IOMMU for a specific device */ amd_iommu_rlookup_table = (void *)__get_free_pages( GFP_KERNEL | __GFP_ZERO, get_order(rlookup_table_size)); if (amd_iommu_rlookup_table == NULL) - goto free; + goto out; amd_iommu_pd_alloc_bitmap = (void *)__get_free_pages( GFP_KERNEL | __GFP_ZERO, get_order(MAX_DOMAIN_ID/8)); if (amd_iommu_pd_alloc_bitmap == NULL) - goto free; + goto out; /* init the device table */ init_device_table(); @@ -1559,38 +1604,18 @@ int __init amd_iommu_init_hardware(void) * now the data structures are allocated and basically initialized * start the real acpi table scan */ - ret = -ENODEV; - if (acpi_table_parse("IVRS", init_iommu_all) != 0) - goto free; - - if (amd_iommu_init_err) { - ret = amd_iommu_init_err; - goto free; - } - - if (acpi_table_parse("IVRS", init_memory_definitions) != 0) - goto free; - - if (amd_iommu_init_err) { - ret = amd_iommu_init_err; - goto free; - } - - ret = amd_iommu_init_devices(); + ret = init_iommu_all(ivrs_base); if (ret) - goto free; - - enable_iommus(); - - amd_iommu_init_notifier(); + goto out; - register_syscore_ops(&amd_iommu_syscore_ops); + ret = init_memory_definitions(ivrs_base); + if (ret) + goto out; out: - return ret; - -free: - free_on_init_error(); + /* Don't leak any ACPI memory */ + early_acpi_os_unmap_memory((char __iomem *)ivrs_base, ivrs_size); + ivrs_base = NULL; return ret; } @@ -1610,26 +1635,29 @@ out: return ret; } -/* - * This is the core init function for AMD IOMMU hardware in the system. - * This function is called from the generic x86 DMA layer initialization - * code. - * - * The function calls amd_iommu_init_hardware() to setup and enable the - * IOMMU hardware if this has not happened yet. After that the driver - * registers for the DMA-API and for the IOMMU-API as necessary. - */ -static int __init amd_iommu_init(void) +static bool detect_ivrs(void) { - int ret = 0; + struct acpi_table_header *ivrs_base; + acpi_size ivrs_size; + acpi_status status; - ret = amd_iommu_init_hardware(); - if (ret) - goto out; + status = acpi_get_table_with_size("IVRS", 0, &ivrs_base, &ivrs_size); + if (status == AE_NOT_FOUND) + return false; + else if (ACPI_FAILURE(status)) { + const char *err = acpi_format_exception(status); + pr_err("AMD-Vi: IVRS table error: %s\n", err); + return false; + } - ret = amd_iommu_enable_interrupts(); - if (ret) - goto free; + early_acpi_os_unmap_memory((char __iomem *)ivrs_base, ivrs_size); + + return true; +} + +static int amd_iommu_init_dma(void) +{ + int ret; if (iommu_pass_through) ret = amd_iommu_init_passthrough(); @@ -1637,29 +1665,108 @@ static int __init amd_iommu_init(void) ret = amd_iommu_init_dma_ops(); if (ret) - goto free; + return ret; amd_iommu_init_api(); - if (iommu_pass_through) - goto out; + amd_iommu_init_notifier(); - if (amd_iommu_unmap_flush) - printk(KERN_INFO "AMD-Vi: IO/TLB flush on unmap enabled\n"); - else - printk(KERN_INFO "AMD-Vi: Lazy IO/TLB flushing enabled\n"); + return 0; +} - x86_platform.iommu_shutdown = disable_iommus; +/**************************************************************************** + * + * AMD IOMMU Initialization State Machine + * + ****************************************************************************/ + +static int __init state_next(void) +{ + int ret = 0; + + switch (init_state) { + case IOMMU_START_STATE: + if (!detect_ivrs()) { + init_state = IOMMU_NOT_FOUND; + ret = -ENODEV; + } else { + init_state = IOMMU_IVRS_DETECTED; + } + break; + case IOMMU_IVRS_DETECTED: + ret = early_amd_iommu_init(); + init_state = ret ? IOMMU_INIT_ERROR : IOMMU_ACPI_FINISHED; + break; + case IOMMU_ACPI_FINISHED: + early_enable_iommus(); + register_syscore_ops(&amd_iommu_syscore_ops); + x86_platform.iommu_shutdown = disable_iommus; + init_state = IOMMU_ENABLED; + break; + case IOMMU_ENABLED: + ret = amd_iommu_init_pci(); + init_state = ret ? IOMMU_INIT_ERROR : IOMMU_PCI_INIT; + enable_iommus_v2(); + break; + case IOMMU_PCI_INIT: + ret = amd_iommu_enable_interrupts(); + init_state = ret ? IOMMU_INIT_ERROR : IOMMU_INTERRUPTS_EN; + break; + case IOMMU_INTERRUPTS_EN: + ret = amd_iommu_init_dma(); + init_state = ret ? IOMMU_INIT_ERROR : IOMMU_DMA_OPS; + break; + case IOMMU_DMA_OPS: + init_state = IOMMU_INITIALIZED; + break; + case IOMMU_INITIALIZED: + /* Nothing to do */ + break; + case IOMMU_NOT_FOUND: + case IOMMU_INIT_ERROR: + /* Error states => do nothing */ + ret = -EINVAL; + break; + default: + /* Unknown state */ + BUG(); + } -out: return ret; +} -free: - disable_iommus(); +static int __init iommu_go_to_state(enum iommu_init_state state) +{ + int ret = 0; + + while (init_state != state) { + ret = state_next(); + if (init_state == IOMMU_NOT_FOUND || + init_state == IOMMU_INIT_ERROR) + break; + } + + return ret; +} + + + +/* + * This is the core init function for AMD IOMMU hardware in the system. + * This function is called from the generic x86 DMA layer initialization + * code. + */ +static int __init amd_iommu_init(void) +{ + int ret; - free_on_init_error(); + ret = iommu_go_to_state(IOMMU_INITIALIZED); + if (ret) { + disable_iommus(); + free_on_init_error(); + } - goto out; + return ret; } /**************************************************************************** @@ -1669,29 +1776,25 @@ free: * IOMMUs * ****************************************************************************/ -static int __init early_amd_iommu_detect(struct acpi_table_header *table) -{ - return 0; -} - int __init amd_iommu_detect(void) { + int ret; + if (no_iommu || (iommu_detected && !gart_iommu_aperture)) return -ENODEV; if (amd_iommu_disabled) return -ENODEV; - if (acpi_table_parse("IVRS", early_amd_iommu_detect) == 0) { - iommu_detected = 1; - amd_iommu_detected = 1; - x86_init.iommu.iommu_init = amd_iommu_init; + ret = iommu_go_to_state(IOMMU_IVRS_DETECTED); + if (ret) + return ret; - /* Make sure ACS will be enabled */ - pci_request_acs(); - return 1; - } - return -ENODEV; + amd_iommu_detected = true; + iommu_detected = 1; + x86_init.iommu.iommu_init = amd_iommu_init; + + return 0; } /**************************************************************************** @@ -1727,8 +1830,8 @@ __setup("amd_iommu=", parse_amd_iommu_options); IOMMU_INIT_FINISH(amd_iommu_detect, gart_iommu_hole_init, - 0, - 0); + NULL, + NULL); bool amd_iommu_v2_supported(void) { diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 24355559a2ad..d0dab865a8b8 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -487,7 +487,7 @@ struct amd_iommu { /* physical address of MMIO space */ u64 mmio_phys; /* virtual address of MMIO space */ - u8 *mmio_base; + u8 __iomem *mmio_base; /* capabilities of that IOMMU read from ACPI */ u32 cap; @@ -501,6 +501,9 @@ struct amd_iommu { /* IOMMUv2 */ bool is_iommu_v2; + /* PCI device id of the IOMMU device */ + u16 devid; + /* * Capability pointer. There could be more than one IOMMU per PCI * device function if there are more than one AMD IOMMU capability @@ -530,8 +533,6 @@ struct amd_iommu { u32 evt_buf_size; /* event buffer virtual address */ u8 *evt_buf; - /* MSI number for event interrupt */ - u16 evt_msi_num; /* Base of the PPR log, if present */ u8 *ppr_log; @@ -652,7 +653,7 @@ extern unsigned long *amd_iommu_pd_alloc_bitmap; * If true, the addresses will be flushed on unmap time, not when * they are reused */ -extern bool amd_iommu_unmap_flush; +extern u32 amd_iommu_unmap_flush; /* Smallest number of PASIDs supported by any IOMMU in the system */ extern u32 amd_iommu_max_pasids; @@ -664,6 +665,12 @@ extern bool amd_iommu_force_isolation; /* Max levels of glxval supported */ extern int amd_iommu_max_glx_val; +/* + * This function flushes all internal caches of + * the IOMMU used by this driver. + */ +extern void iommu_flush_all_caches(struct amd_iommu *iommu); + /* takes bus and device/function and returns the device id * FIXME: should that be in generic PCI code? */ static inline u16 calc_devid(u8 bus, u8 devfn) diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 036fe9bf157e..0d50f9afd37f 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -81,7 +81,7 @@ struct fault { u16 flags; }; -struct device_state **state_table; +static struct device_state **state_table; static spinlock_t state_lock; /* List and lock for all pasid_states */ @@ -681,6 +681,8 @@ int amd_iommu_bind_pasid(struct pci_dev *pdev, int pasid, atomic_set(&pasid_state->count, 1); init_waitqueue_head(&pasid_state->wq); + spin_lock_init(&pasid_state->lock); + pasid_state->task = task; pasid_state->mm = get_task_mm(task); pasid_state->device_state = dev_state; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 6cb0791b3264..d4b018e51592 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4094,52 +4094,70 @@ static int intel_iommu_domain_has_cap(struct iommu_domain *domain, return 0; } -/* - * Group numbers are arbitrary. Device with the same group number - * indicate the iommu cannot differentiate between them. To avoid - * tracking used groups we just use the seg|bus|devfn of the lowest - * level we're able to differentiate devices - */ -static int intel_iommu_device_group(struct device *dev, unsigned int *groupid) +static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to) { - struct pci_dev *pdev = to_pci_dev(dev); - struct pci_dev *bridge; - union { - struct { - u8 devfn; - u8 bus; - u16 segment; - } pci; - u32 group; - } id; + pci_dev_put(*from); + *from = to; +} - if (iommu_no_mapping(dev)) - return -ENODEV; +#define REQ_ACS_FLAGS (PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF) - id.pci.segment = pci_domain_nr(pdev->bus); - id.pci.bus = pdev->bus->number; - id.pci.devfn = pdev->devfn; +static int intel_iommu_add_device(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct pci_dev *bridge, *dma_pdev; + struct iommu_group *group; + int ret; - if (!device_to_iommu(id.pci.segment, id.pci.bus, id.pci.devfn)) + if (!device_to_iommu(pci_domain_nr(pdev->bus), + pdev->bus->number, pdev->devfn)) return -ENODEV; bridge = pci_find_upstream_pcie_bridge(pdev); if (bridge) { - if (pci_is_pcie(bridge)) { - id.pci.bus = bridge->subordinate->number; - id.pci.devfn = 0; - } else { - id.pci.bus = bridge->bus->number; - id.pci.devfn = bridge->devfn; - } + if (pci_is_pcie(bridge)) + dma_pdev = pci_get_domain_bus_and_slot( + pci_domain_nr(pdev->bus), + bridge->subordinate->number, 0); + else + dma_pdev = pci_dev_get(bridge); + } else + dma_pdev = pci_dev_get(pdev); + + swap_pci_ref(&dma_pdev, pci_get_dma_source(dma_pdev)); + + if (dma_pdev->multifunction && + !pci_acs_enabled(dma_pdev, REQ_ACS_FLAGS)) + swap_pci_ref(&dma_pdev, + pci_get_slot(dma_pdev->bus, + PCI_DEVFN(PCI_SLOT(dma_pdev->devfn), + 0))); + + while (!pci_is_root_bus(dma_pdev->bus)) { + if (pci_acs_path_enabled(dma_pdev->bus->self, + NULL, REQ_ACS_FLAGS)) + break; + + swap_pci_ref(&dma_pdev, pci_dev_get(dma_pdev->bus->self)); + } + + group = iommu_group_get(&dma_pdev->dev); + pci_dev_put(dma_pdev); + if (!group) { + group = iommu_group_alloc(); + if (IS_ERR(group)) + return PTR_ERR(group); } - if (!pdev->is_virtfn && iommu_group_mf) - id.pci.devfn = PCI_DEVFN(PCI_SLOT(id.pci.devfn), 0); + ret = iommu_group_add_device(group, dev); - *groupid = id.group; + iommu_group_put(group); + return ret; +} - return 0; +static void intel_iommu_remove_device(struct device *dev) +{ + iommu_group_remove_device(dev); } static struct iommu_ops intel_iommu_ops = { @@ -4151,7 +4169,8 @@ static struct iommu_ops intel_iommu_ops = { .unmap = intel_iommu_unmap, .iova_to_phys = intel_iommu_iova_to_phys, .domain_has_cap = intel_iommu_domain_has_cap, - .device_group = intel_iommu_device_group, + .add_device = intel_iommu_add_device, + .remove_device = intel_iommu_remove_device, .pgsize_bitmap = INTEL_IOMMU_PGSIZES, }; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ed5e0a553ca7..ddbdacad7768 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -26,60 +26,535 @@ #include <linux/slab.h> #include <linux/errno.h> #include <linux/iommu.h> +#include <linux/idr.h> +#include <linux/notifier.h> +#include <linux/err.h> + +static struct kset *iommu_group_kset; +static struct ida iommu_group_ida; +static struct mutex iommu_group_mutex; + +struct iommu_group { + struct kobject kobj; + struct kobject *devices_kobj; + struct list_head devices; + struct mutex mutex; + struct blocking_notifier_head notifier; + void *iommu_data; + void (*iommu_data_release)(void *iommu_data); + char *name; + int id; +}; + +struct iommu_device { + struct list_head list; + struct device *dev; + char *name; +}; + +struct iommu_group_attribute { + struct attribute attr; + ssize_t (*show)(struct iommu_group *group, char *buf); + ssize_t (*store)(struct iommu_group *group, + const char *buf, size_t count); +}; + +#define IOMMU_GROUP_ATTR(_name, _mode, _show, _store) \ +struct iommu_group_attribute iommu_group_attr_##_name = \ + __ATTR(_name, _mode, _show, _store) + +#define to_iommu_group_attr(_attr) \ + container_of(_attr, struct iommu_group_attribute, attr) +#define to_iommu_group(_kobj) \ + container_of(_kobj, struct iommu_group, kobj) -static ssize_t show_iommu_group(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t iommu_group_attr_show(struct kobject *kobj, + struct attribute *__attr, char *buf) { - unsigned int groupid; + struct iommu_group_attribute *attr = to_iommu_group_attr(__attr); + struct iommu_group *group = to_iommu_group(kobj); + ssize_t ret = -EIO; - if (iommu_device_group(dev, &groupid)) - return 0; + if (attr->show) + ret = attr->show(group, buf); + return ret; +} - return sprintf(buf, "%u", groupid); +static ssize_t iommu_group_attr_store(struct kobject *kobj, + struct attribute *__attr, + const char *buf, size_t count) +{ + struct iommu_group_attribute *attr = to_iommu_group_attr(__attr); + struct iommu_group *group = to_iommu_group(kobj); + ssize_t ret = -EIO; + + if (attr->store) + ret = attr->store(group, buf, count); + return ret; } -static DEVICE_ATTR(iommu_group, S_IRUGO, show_iommu_group, NULL); -static int add_iommu_group(struct device *dev, void *data) +static const struct sysfs_ops iommu_group_sysfs_ops = { + .show = iommu_group_attr_show, + .store = iommu_group_attr_store, +}; + +static int iommu_group_create_file(struct iommu_group *group, + struct iommu_group_attribute *attr) +{ + return sysfs_create_file(&group->kobj, &attr->attr); +} + +static void iommu_group_remove_file(struct iommu_group *group, + struct iommu_group_attribute *attr) { - unsigned int groupid; + sysfs_remove_file(&group->kobj, &attr->attr); +} + +static ssize_t iommu_group_show_name(struct iommu_group *group, char *buf) +{ + return sprintf(buf, "%s\n", group->name); +} + +static IOMMU_GROUP_ATTR(name, S_IRUGO, iommu_group_show_name, NULL); - if (iommu_device_group(dev, &groupid) == 0) - return device_create_file(dev, &dev_attr_iommu_group); +static void iommu_group_release(struct kobject *kobj) +{ + struct iommu_group *group = to_iommu_group(kobj); + + if (group->iommu_data_release) + group->iommu_data_release(group->iommu_data); + + mutex_lock(&iommu_group_mutex); + ida_remove(&iommu_group_ida, group->id); + mutex_unlock(&iommu_group_mutex); + + kfree(group->name); + kfree(group); +} + +static struct kobj_type iommu_group_ktype = { + .sysfs_ops = &iommu_group_sysfs_ops, + .release = iommu_group_release, +}; + +/** + * iommu_group_alloc - Allocate a new group + * @name: Optional name to associate with group, visible in sysfs + * + * This function is called by an iommu driver to allocate a new iommu + * group. The iommu group represents the minimum granularity of the iommu. + * Upon successful return, the caller holds a reference to the supplied + * group in order to hold the group until devices are added. Use + * iommu_group_put() to release this extra reference count, allowing the + * group to be automatically reclaimed once it has no devices or external + * references. + */ +struct iommu_group *iommu_group_alloc(void) +{ + struct iommu_group *group; + int ret; + + group = kzalloc(sizeof(*group), GFP_KERNEL); + if (!group) + return ERR_PTR(-ENOMEM); + + group->kobj.kset = iommu_group_kset; + mutex_init(&group->mutex); + INIT_LIST_HEAD(&group->devices); + BLOCKING_INIT_NOTIFIER_HEAD(&group->notifier); + + mutex_lock(&iommu_group_mutex); + +again: + if (unlikely(0 == ida_pre_get(&iommu_group_ida, GFP_KERNEL))) { + kfree(group); + mutex_unlock(&iommu_group_mutex); + return ERR_PTR(-ENOMEM); + } + + if (-EAGAIN == ida_get_new(&iommu_group_ida, &group->id)) + goto again; + + mutex_unlock(&iommu_group_mutex); + + ret = kobject_init_and_add(&group->kobj, &iommu_group_ktype, + NULL, "%d", group->id); + if (ret) { + mutex_lock(&iommu_group_mutex); + ida_remove(&iommu_group_ida, group->id); + mutex_unlock(&iommu_group_mutex); + kfree(group); + return ERR_PTR(ret); + } + + group->devices_kobj = kobject_create_and_add("devices", &group->kobj); + if (!group->devices_kobj) { + kobject_put(&group->kobj); /* triggers .release & free */ + return ERR_PTR(-ENOMEM); + } + + /* + * The devices_kobj holds a reference on the group kobject, so + * as long as that exists so will the group. We can therefore + * use the devices_kobj for reference counting. + */ + kobject_put(&group->kobj); + + return group; +} +EXPORT_SYMBOL_GPL(iommu_group_alloc); + +/** + * iommu_group_get_iommudata - retrieve iommu_data registered for a group + * @group: the group + * + * iommu drivers can store data in the group for use when doing iommu + * operations. This function provides a way to retrieve it. Caller + * should hold a group reference. + */ +void *iommu_group_get_iommudata(struct iommu_group *group) +{ + return group->iommu_data; +} +EXPORT_SYMBOL_GPL(iommu_group_get_iommudata); + +/** + * iommu_group_set_iommudata - set iommu_data for a group + * @group: the group + * @iommu_data: new data + * @release: release function for iommu_data + * + * iommu drivers can store data in the group for use when doing iommu + * operations. This function provides a way to set the data after + * the group has been allocated. Caller should hold a group reference. + */ +void iommu_group_set_iommudata(struct iommu_group *group, void *iommu_data, + void (*release)(void *iommu_data)) +{ + group->iommu_data = iommu_data; + group->iommu_data_release = release; +} +EXPORT_SYMBOL_GPL(iommu_group_set_iommudata); + +/** + * iommu_group_set_name - set name for a group + * @group: the group + * @name: name + * + * Allow iommu driver to set a name for a group. When set it will + * appear in a name attribute file under the group in sysfs. + */ +int iommu_group_set_name(struct iommu_group *group, const char *name) +{ + int ret; + + if (group->name) { + iommu_group_remove_file(group, &iommu_group_attr_name); + kfree(group->name); + group->name = NULL; + if (!name) + return 0; + } + + group->name = kstrdup(name, GFP_KERNEL); + if (!group->name) + return -ENOMEM; + + ret = iommu_group_create_file(group, &iommu_group_attr_name); + if (ret) { + kfree(group->name); + group->name = NULL; + return ret; + } return 0; } +EXPORT_SYMBOL_GPL(iommu_group_set_name); -static int remove_iommu_group(struct device *dev) +/** + * iommu_group_add_device - add a device to an iommu group + * @group: the group into which to add the device (reference should be held) + * @dev: the device + * + * This function is called by an iommu driver to add a device into a + * group. Adding a device increments the group reference count. + */ +int iommu_group_add_device(struct iommu_group *group, struct device *dev) { - unsigned int groupid; + int ret, i = 0; + struct iommu_device *device; + + device = kzalloc(sizeof(*device), GFP_KERNEL); + if (!device) + return -ENOMEM; + + device->dev = dev; + + ret = sysfs_create_link(&dev->kobj, &group->kobj, "iommu_group"); + if (ret) { + kfree(device); + return ret; + } + + device->name = kasprintf(GFP_KERNEL, "%s", kobject_name(&dev->kobj)); +rename: + if (!device->name) { + sysfs_remove_link(&dev->kobj, "iommu_group"); + kfree(device); + return -ENOMEM; + } - if (iommu_device_group(dev, &groupid) == 0) - device_remove_file(dev, &dev_attr_iommu_group); + ret = sysfs_create_link_nowarn(group->devices_kobj, + &dev->kobj, device->name); + if (ret) { + kfree(device->name); + if (ret == -EEXIST && i >= 0) { + /* + * Account for the slim chance of collision + * and append an instance to the name. + */ + device->name = kasprintf(GFP_KERNEL, "%s.%d", + kobject_name(&dev->kobj), i++); + goto rename; + } + + sysfs_remove_link(&dev->kobj, "iommu_group"); + kfree(device); + return ret; + } + + kobject_get(group->devices_kobj); + + dev->iommu_group = group; + + mutex_lock(&group->mutex); + list_add_tail(&device->list, &group->devices); + mutex_unlock(&group->mutex); + /* Notify any listeners about change to group. */ + blocking_notifier_call_chain(&group->notifier, + IOMMU_GROUP_NOTIFY_ADD_DEVICE, dev); return 0; } +EXPORT_SYMBOL_GPL(iommu_group_add_device); -static int iommu_device_notifier(struct notifier_block *nb, - unsigned long action, void *data) +/** + * iommu_group_remove_device - remove a device from it's current group + * @dev: device to be removed + * + * This function is called by an iommu driver to remove the device from + * it's current group. This decrements the iommu group reference count. + */ +void iommu_group_remove_device(struct device *dev) +{ + struct iommu_group *group = dev->iommu_group; + struct iommu_device *tmp_device, *device = NULL; + + /* Pre-notify listeners that a device is being removed. */ + blocking_notifier_call_chain(&group->notifier, + IOMMU_GROUP_NOTIFY_DEL_DEVICE, dev); + + mutex_lock(&group->mutex); + list_for_each_entry(tmp_device, &group->devices, list) { + if (tmp_device->dev == dev) { + device = tmp_device; + list_del(&device->list); + break; + } + } + mutex_unlock(&group->mutex); + + if (!device) + return; + + sysfs_remove_link(group->devices_kobj, device->name); + sysfs_remove_link(&dev->kobj, "iommu_group"); + + kfree(device->name); + kfree(device); + dev->iommu_group = NULL; + kobject_put(group->devices_kobj); +} +EXPORT_SYMBOL_GPL(iommu_group_remove_device); + +/** + * iommu_group_for_each_dev - iterate over each device in the group + * @group: the group + * @data: caller opaque data to be passed to callback function + * @fn: caller supplied callback function + * + * This function is called by group users to iterate over group devices. + * Callers should hold a reference count to the group during callback. + * The group->mutex is held across callbacks, which will block calls to + * iommu_group_add/remove_device. + */ +int iommu_group_for_each_dev(struct iommu_group *group, void *data, + int (*fn)(struct device *, void *)) +{ + struct iommu_device *device; + int ret = 0; + + mutex_lock(&group->mutex); + list_for_each_entry(device, &group->devices, list) { + ret = fn(device->dev, data); + if (ret) + break; + } + mutex_unlock(&group->mutex); + return ret; +} +EXPORT_SYMBOL_GPL(iommu_group_for_each_dev); + +/** + * iommu_group_get - Return the group for a device and increment reference + * @dev: get the group that this device belongs to + * + * This function is called by iommu drivers and users to get the group + * for the specified device. If found, the group is returned and the group + * reference in incremented, else NULL. + */ +struct iommu_group *iommu_group_get(struct device *dev) +{ + struct iommu_group *group = dev->iommu_group; + + if (group) + kobject_get(group->devices_kobj); + + return group; +} +EXPORT_SYMBOL_GPL(iommu_group_get); + +/** + * iommu_group_put - Decrement group reference + * @group: the group to use + * + * This function is called by iommu drivers and users to release the + * iommu group. Once the reference count is zero, the group is released. + */ +void iommu_group_put(struct iommu_group *group) +{ + if (group) + kobject_put(group->devices_kobj); +} +EXPORT_SYMBOL_GPL(iommu_group_put); + +/** + * iommu_group_register_notifier - Register a notifier for group changes + * @group: the group to watch + * @nb: notifier block to signal + * + * This function allows iommu group users to track changes in a group. + * See include/linux/iommu.h for actions sent via this notifier. Caller + * should hold a reference to the group throughout notifier registration. + */ +int iommu_group_register_notifier(struct iommu_group *group, + struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&group->notifier, nb); +} +EXPORT_SYMBOL_GPL(iommu_group_register_notifier); + +/** + * iommu_group_unregister_notifier - Unregister a notifier + * @group: the group to watch + * @nb: notifier block to signal + * + * Unregister a previously registered group notifier block. + */ +int iommu_group_unregister_notifier(struct iommu_group *group, + struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&group->notifier, nb); +} +EXPORT_SYMBOL_GPL(iommu_group_unregister_notifier); + +/** + * iommu_group_id - Return ID for a group + * @group: the group to ID + * + * Return the unique ID for the group matching the sysfs group number. + */ +int iommu_group_id(struct iommu_group *group) +{ + return group->id; +} +EXPORT_SYMBOL_GPL(iommu_group_id); + +static int add_iommu_group(struct device *dev, void *data) +{ + struct iommu_ops *ops = data; + + if (!ops->add_device) + return -ENODEV; + + WARN_ON(dev->iommu_group); + + ops->add_device(dev); + + return 0; +} + +static int iommu_bus_notifier(struct notifier_block *nb, + unsigned long action, void *data) { struct device *dev = data; + struct iommu_ops *ops = dev->bus->iommu_ops; + struct iommu_group *group; + unsigned long group_action = 0; + + /* + * ADD/DEL call into iommu driver ops if provided, which may + * result in ADD/DEL notifiers to group->notifier + */ + if (action == BUS_NOTIFY_ADD_DEVICE) { + if (ops->add_device) + return ops->add_device(dev); + } else if (action == BUS_NOTIFY_DEL_DEVICE) { + if (ops->remove_device && dev->iommu_group) { + ops->remove_device(dev); + return 0; + } + } + + /* + * Remaining BUS_NOTIFYs get filtered and republished to the + * group, if anyone is listening + */ + group = iommu_group_get(dev); + if (!group) + return 0; + + switch (action) { + case BUS_NOTIFY_BIND_DRIVER: + group_action = IOMMU_GROUP_NOTIFY_BIND_DRIVER; + break; + case BUS_NOTIFY_BOUND_DRIVER: + group_action = IOMMU_GROUP_NOTIFY_BOUND_DRIVER; + break; + case BUS_NOTIFY_UNBIND_DRIVER: + group_action = IOMMU_GROUP_NOTIFY_UNBIND_DRIVER; + break; + case BUS_NOTIFY_UNBOUND_DRIVER: + group_action = IOMMU_GROUP_NOTIFY_UNBOUND_DRIVER; + break; + } - if (action == BUS_NOTIFY_ADD_DEVICE) - return add_iommu_group(dev, NULL); - else if (action == BUS_NOTIFY_DEL_DEVICE) - return remove_iommu_group(dev); + if (group_action) + blocking_notifier_call_chain(&group->notifier, + group_action, dev); + iommu_group_put(group); return 0; } -static struct notifier_block iommu_device_nb = { - .notifier_call = iommu_device_notifier, +static struct notifier_block iommu_bus_nb = { + .notifier_call = iommu_bus_notifier, }; static void iommu_bus_init(struct bus_type *bus, struct iommu_ops *ops) { - bus_register_notifier(bus, &iommu_device_nb); - bus_for_each_dev(bus, NULL, NULL, add_iommu_group); + bus_register_notifier(bus, &iommu_bus_nb); + bus_for_each_dev(bus, NULL, ops, add_iommu_group); } /** @@ -192,6 +667,45 @@ void iommu_detach_device(struct iommu_domain *domain, struct device *dev) } EXPORT_SYMBOL_GPL(iommu_detach_device); +/* + * IOMMU groups are really the natrual working unit of the IOMMU, but + * the IOMMU API works on domains and devices. Bridge that gap by + * iterating over the devices in a group. Ideally we'd have a single + * device which represents the requestor ID of the group, but we also + * allow IOMMU drivers to create policy defined minimum sets, where + * the physical hardware may be able to distiguish members, but we + * wish to group them at a higher level (ex. untrusted multi-function + * PCI devices). Thus we attach each device. + */ +static int iommu_group_do_attach_device(struct device *dev, void *data) +{ + struct iommu_domain *domain = data; + + return iommu_attach_device(domain, dev); +} + +int iommu_attach_group(struct iommu_domain *domain, struct iommu_group *group) +{ + return iommu_group_for_each_dev(group, domain, + iommu_group_do_attach_device); +} +EXPORT_SYMBOL_GPL(iommu_attach_group); + +static int iommu_group_do_detach_device(struct device *dev, void *data) +{ + struct iommu_domain *domain = data; + + iommu_detach_device(domain, dev); + + return 0; +} + +void iommu_detach_group(struct iommu_domain *domain, struct iommu_group *group) +{ + iommu_group_for_each_dev(group, domain, iommu_group_do_detach_device); +} +EXPORT_SYMBOL_GPL(iommu_detach_group); + phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, unsigned long iova) { @@ -336,14 +850,18 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) } EXPORT_SYMBOL_GPL(iommu_unmap); -int iommu_device_group(struct device *dev, unsigned int *groupid) +static int __init iommu_init(void) { - if (iommu_present(dev->bus) && dev->bus->iommu_ops->device_group) - return dev->bus->iommu_ops->device_group(dev, groupid); + iommu_group_kset = kset_create_and_add("iommu_groups", + NULL, kernel_kobj); + ida_init(&iommu_group_ida); + mutex_init(&iommu_group_mutex); + + BUG_ON(!iommu_group_kset); - return -ENODEV; + return 0; } -EXPORT_SYMBOL_GPL(iommu_device_group); +subsys_initcall(iommu_init); int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr attr, void *data) diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 40cda8e98d87..92769963eac9 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -1,6 +1,11 @@ #include <linux/kernel.h> #include <linux/string.h> +#include <linux/cpumask.h> #include <linux/errno.h> +#include <linux/msi.h> + +#include <asm/hw_irq.h> +#include <asm/irq_remapping.h> #include "irq_remapping.h" diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c new file mode 100644 index 000000000000..ee249bc959f8 --- /dev/null +++ b/drivers/iommu/of_iommu.c @@ -0,0 +1,90 @@ +/* + * OF helpers for IOMMU + * + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/export.h> +#include <linux/limits.h> +#include <linux/of.h> + +/** + * of_get_dma_window - Parse *dma-window property and returns 0 if found. + * + * @dn: device node + * @prefix: prefix for property name if any + * @index: index to start to parse + * @busno: Returns busno if supported. Otherwise pass NULL + * @addr: Returns address that DMA starts + * @size: Returns the range that DMA can handle + * + * This supports different formats flexibly. "prefix" can be + * configured if any. "busno" and "index" are optionally + * specified. Set 0(or NULL) if not used. + */ +int of_get_dma_window(struct device_node *dn, const char *prefix, int index, + unsigned long *busno, dma_addr_t *addr, size_t *size) +{ + const __be32 *dma_window, *end; + int bytes, cur_index = 0; + char propname[NAME_MAX], addrname[NAME_MAX], sizename[NAME_MAX]; + + if (!dn || !addr || !size) + return -EINVAL; + + if (!prefix) + prefix = ""; + + snprintf(propname, sizeof(propname), "%sdma-window", prefix); + snprintf(addrname, sizeof(addrname), "%s#dma-address-cells", prefix); + snprintf(sizename, sizeof(sizename), "%s#dma-size-cells", prefix); + + dma_window = of_get_property(dn, propname, &bytes); + if (!dma_window) + return -ENODEV; + end = dma_window + bytes / sizeof(*dma_window); + + while (dma_window < end) { + u32 cells; + const void *prop; + + /* busno is one cell if supported */ + if (busno) + *busno = be32_to_cpup(dma_window++); + + prop = of_get_property(dn, addrname, NULL); + if (!prop) + prop = of_get_property(dn, "#address-cells", NULL); + + cells = prop ? be32_to_cpup(prop) : of_n_addr_cells(dn); + if (!cells) + return -EINVAL; + *addr = of_read_number(dma_window, cells); + dma_window += cells; + + prop = of_get_property(dn, sizename, NULL); + cells = prop ? be32_to_cpup(prop) : of_n_size_cells(dn); + if (!cells) + return -EINVAL; + *size = of_read_number(dma_window, cells); + dma_window += cells; + + if (cur_index++ == index) + break; + } + return 0; +} +EXPORT_SYMBOL_GPL(of_get_dma_window); diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 96e73d56451a..4ba325ab6262 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -30,12 +30,15 @@ #include <linux/sched.h> #include <linux/iommu.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_iommu.h> #include <asm/page.h> #include <asm/cacheflush.h> #include <mach/iomap.h> #include <mach/smmu.h> +#include <mach/tegra-ahb.h> /* bitmap of the page sizes currently supported */ #define SMMU_IOMMU_PGSIZES (SZ_4K) @@ -111,12 +114,6 @@ #define SMMU_PDE_NEXT_SHIFT 28 -/* AHB Arbiter Registers */ -#define AHB_XBAR_CTRL 0xe0 -#define AHB_XBAR_CTRL_SMMU_INIT_DONE_DONE 1 -#define AHB_XBAR_CTRL_SMMU_INIT_DONE_SHIFT 17 - -#define SMMU_NUM_ASIDS 4 #define SMMU_TLB_FLUSH_VA_SECTION__MASK 0xffc00000 #define SMMU_TLB_FLUSH_VA_SECTION__SHIFT 12 /* right shift */ #define SMMU_TLB_FLUSH_VA_GROUP__MASK 0xffffc000 @@ -136,6 +133,7 @@ #define SMMU_PAGE_SHIFT 12 #define SMMU_PAGE_SIZE (1 << SMMU_PAGE_SHIFT) +#define SMMU_PAGE_MASK ((1 << SMMU_PAGE_SHIFT) - 1) #define SMMU_PDIR_COUNT 1024 #define SMMU_PDIR_SIZE (sizeof(unsigned long) * SMMU_PDIR_COUNT) @@ -177,6 +175,8 @@ #define SMMU_ASID_DISABLE 0 #define SMMU_ASID_ASID(n) ((n) & ~SMMU_ASID_ENABLE(0)) +#define NUM_SMMU_REG_BANKS 3 + #define smmu_client_enable_hwgrp(c, m) smmu_client_set_hwgrp(c, m, 1) #define smmu_client_disable_hwgrp(c) smmu_client_set_hwgrp(c, 0, 0) #define __smmu_client_enable_hwgrp(c, m) __smmu_client_set_hwgrp(c, m, 1) @@ -235,14 +235,12 @@ struct smmu_as { * Per SMMU device - IOMMU device */ struct smmu_device { - void __iomem *regs, *regs_ahbarb; + void __iomem *regs[NUM_SMMU_REG_BANKS]; unsigned long iovmm_base; /* remappable base address */ unsigned long page_count; /* total remappable size */ spinlock_t lock; char *name; struct device *dev; - int num_as; - struct smmu_as *as; /* Run-time allocated array */ struct page *avp_vector_page; /* dummy page shared by all AS's */ /* @@ -252,29 +250,50 @@ struct smmu_device { unsigned long translation_enable_1; unsigned long translation_enable_2; unsigned long asid_security; + + struct device_node *ahb; + + int num_as; + struct smmu_as as[0]; /* Run-time allocated array */ }; static struct smmu_device *smmu_handle; /* unique for a system */ /* - * SMMU/AHB register accessors + * SMMU register accessors */ static inline u32 smmu_read(struct smmu_device *smmu, size_t offs) { - return readl(smmu->regs + offs); -} -static inline void smmu_write(struct smmu_device *smmu, u32 val, size_t offs) -{ - writel(val, smmu->regs + offs); + BUG_ON(offs < 0x10); + if (offs < 0x3c) + return readl(smmu->regs[0] + offs - 0x10); + BUG_ON(offs < 0x1f0); + if (offs < 0x200) + return readl(smmu->regs[1] + offs - 0x1f0); + BUG_ON(offs < 0x228); + if (offs < 0x284) + return readl(smmu->regs[2] + offs - 0x228); + BUG(); } -static inline u32 ahb_read(struct smmu_device *smmu, size_t offs) -{ - return readl(smmu->regs_ahbarb + offs); -} -static inline void ahb_write(struct smmu_device *smmu, u32 val, size_t offs) +static inline void smmu_write(struct smmu_device *smmu, u32 val, size_t offs) { - writel(val, smmu->regs_ahbarb + offs); + BUG_ON(offs < 0x10); + if (offs < 0x3c) { + writel(val, smmu->regs[0] + offs - 0x10); + return; + } + BUG_ON(offs < 0x1f0); + if (offs < 0x200) { + writel(val, smmu->regs[1] + offs - 0x1f0); + return; + } + BUG_ON(offs < 0x228); + if (offs < 0x284) { + writel(val, smmu->regs[2] + offs - 0x228); + return; + } + BUG(); } #define VA_PAGE_TO_PA(va, page) \ @@ -370,7 +389,7 @@ static void smmu_flush_regs(struct smmu_device *smmu, int enable) FLUSH_SMMU_REGS(smmu); } -static void smmu_setup_regs(struct smmu_device *smmu) +static int smmu_setup_regs(struct smmu_device *smmu) { int i; u32 val; @@ -398,10 +417,7 @@ static void smmu_setup_regs(struct smmu_device *smmu) smmu_flush_regs(smmu, 1); - val = ahb_read(smmu, AHB_XBAR_CTRL); - val |= AHB_XBAR_CTRL_SMMU_INIT_DONE_DONE << - AHB_XBAR_CTRL_SMMU_INIT_DONE_SHIFT; - ahb_write(smmu, val, AHB_XBAR_CTRL); + return tegra_ahb_enable_smmu(smmu->ahb); } static void flush_ptc_and_tlb(struct smmu_device *smmu, @@ -537,33 +553,42 @@ static inline void put_signature(struct smmu_as *as, #endif /* - * Caller must lock/unlock as + * Caller must not hold as->lock */ static int alloc_pdir(struct smmu_as *as) { - unsigned long *pdir; - int pdn; + unsigned long *pdir, flags; + int pdn, err = 0; u32 val; struct smmu_device *smmu = as->smmu; + struct page *page; + unsigned int *cnt; - if (as->pdir_page) - return 0; + /* + * do the allocation, then grab as->lock + */ + cnt = devm_kzalloc(smmu->dev, + sizeof(cnt[0]) * SMMU_PDIR_COUNT, + GFP_KERNEL); + page = alloc_page(GFP_KERNEL | __GFP_DMA); - as->pte_count = devm_kzalloc(smmu->dev, - sizeof(as->pte_count[0]) * SMMU_PDIR_COUNT, GFP_KERNEL); - if (!as->pte_count) { - dev_err(smmu->dev, - "failed to allocate smmu_device PTE cunters\n"); - return -ENOMEM; + spin_lock_irqsave(&as->lock, flags); + + if (as->pdir_page) { + /* We raced, free the redundant */ + err = -EAGAIN; + goto err_out; } - as->pdir_page = alloc_page(GFP_KERNEL | __GFP_DMA); - if (!as->pdir_page) { - dev_err(smmu->dev, - "failed to allocate smmu_device page directory\n"); - devm_kfree(smmu->dev, as->pte_count); - as->pte_count = NULL; - return -ENOMEM; + + if (!page || !cnt) { + dev_err(smmu->dev, "failed to allocate at %s\n", __func__); + err = -ENOMEM; + goto err_out; } + + as->pdir_page = page; + as->pte_count = cnt; + SetPageReserved(as->pdir_page); pdir = page_address(as->pdir_page); @@ -579,7 +604,17 @@ static int alloc_pdir(struct smmu_as *as) smmu_write(smmu, val, SMMU_TLB_FLUSH); FLUSH_SMMU_REGS(as->smmu); + spin_unlock_irqrestore(&as->lock, flags); + return 0; + +err_out: + spin_unlock_irqrestore(&as->lock, flags); + + devm_kfree(smmu->dev, cnt); + if (page) + __free_page(page); + return err; } static void __smmu_iommu_unmap(struct smmu_as *as, dma_addr_t iova) @@ -771,30 +806,28 @@ out: static int smmu_iommu_domain_init(struct iommu_domain *domain) { - int i; + int i, err = -ENODEV; unsigned long flags; struct smmu_as *as; struct smmu_device *smmu = smmu_handle; /* Look for a free AS with lock held */ for (i = 0; i < smmu->num_as; i++) { - struct smmu_as *tmp = &smmu->as[i]; - - spin_lock_irqsave(&tmp->lock, flags); - if (!tmp->pdir_page) { - as = tmp; - goto found; + as = &smmu->as[i]; + if (!as->pdir_page) { + err = alloc_pdir(as); + if (!err) + goto found; } - spin_unlock_irqrestore(&tmp->lock, flags); + if (err != -EAGAIN) + break; } - dev_err(smmu->dev, "no free AS\n"); - return -ENODEV; + if (i == smmu->num_as) + dev_err(smmu->dev, "no free AS\n"); + return err; found: - if (alloc_pdir(as) < 0) - goto err_alloc_pdir; - - spin_lock(&smmu->lock); + spin_lock_irqsave(&smmu->lock, flags); /* Update PDIR register */ smmu_write(smmu, SMMU_PTB_ASID_CUR(as->asid), SMMU_PTB_ASID); @@ -802,9 +835,8 @@ found: SMMU_MK_PDIR(as->pdir_page, as->pdir_attr), SMMU_PTB_DATA); FLUSH_SMMU_REGS(smmu); - spin_unlock(&smmu->lock); + spin_unlock_irqrestore(&smmu->lock, flags); - spin_unlock_irqrestore(&as->lock, flags); domain->priv = as; domain->geometry.aperture_start = smmu->iovmm_base; @@ -813,11 +845,8 @@ found: domain->geometry.force_aperture = true; dev_dbg(smmu->dev, "smmu_as@%p\n", as); - return 0; -err_alloc_pdir: - spin_unlock_irqrestore(&as->lock, flags); - return -ENODEV; + return 0; } static void smmu_iommu_domain_destroy(struct iommu_domain *domain) @@ -878,65 +907,73 @@ static int tegra_smmu_resume(struct device *dev) { struct smmu_device *smmu = dev_get_drvdata(dev); unsigned long flags; + int err; spin_lock_irqsave(&smmu->lock, flags); - smmu_setup_regs(smmu); + err = smmu_setup_regs(smmu); spin_unlock_irqrestore(&smmu->lock, flags); - return 0; + return err; } static int tegra_smmu_probe(struct platform_device *pdev) { struct smmu_device *smmu; - struct resource *regs, *regs2, *window; struct device *dev = &pdev->dev; - int i, err = 0; + int i, asids, err = 0; + dma_addr_t uninitialized_var(base); + size_t bytes, uninitialized_var(size); if (smmu_handle) return -EIO; BUILD_BUG_ON(PAGE_SHIFT != SMMU_PAGE_SHIFT); - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - regs2 = platform_get_resource(pdev, IORESOURCE_MEM, 1); - window = platform_get_resource(pdev, IORESOURCE_MEM, 2); - if (!regs || !regs2 || !window) { - dev_err(dev, "No SMMU resources\n"); + if (of_property_read_u32(dev->of_node, "nvidia,#asids", &asids)) return -ENODEV; - } - smmu = devm_kzalloc(dev, sizeof(*smmu), GFP_KERNEL); + bytes = sizeof(*smmu) + asids * sizeof(*smmu->as); + smmu = devm_kzalloc(dev, bytes, GFP_KERNEL); if (!smmu) { dev_err(dev, "failed to allocate smmu_device\n"); return -ENOMEM; } - smmu->dev = dev; - smmu->num_as = SMMU_NUM_ASIDS; - smmu->iovmm_base = (unsigned long)window->start; - smmu->page_count = resource_size(window) >> SMMU_PAGE_SHIFT; - smmu->regs = devm_ioremap(dev, regs->start, resource_size(regs)); - smmu->regs_ahbarb = devm_ioremap(dev, regs2->start, - resource_size(regs2)); - if (!smmu->regs || !smmu->regs_ahbarb) { - dev_err(dev, "failed to remap SMMU registers\n"); - err = -ENXIO; - goto fail; + for (i = 0; i < ARRAY_SIZE(smmu->regs); i++) { + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, i); + if (!res) + return -ENODEV; + smmu->regs[i] = devm_request_and_ioremap(&pdev->dev, res); + if (!smmu->regs[i]) + return -EBUSY; } + err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size); + if (err) + return -ENODEV; + + if (size & SMMU_PAGE_MASK) + return -EINVAL; + + size >>= SMMU_PAGE_SHIFT; + if (!size) + return -EINVAL; + + smmu->ahb = of_parse_phandle(dev->of_node, "nvidia,ahb", 0); + if (!smmu->ahb) + return -ENODEV; + + smmu->dev = dev; + smmu->num_as = asids; + smmu->iovmm_base = base; + smmu->page_count = size; + smmu->translation_enable_0 = ~0; smmu->translation_enable_1 = ~0; smmu->translation_enable_2 = ~0; smmu->asid_security = 0; - smmu->as = devm_kzalloc(dev, - sizeof(smmu->as[0]) * smmu->num_as, GFP_KERNEL); - if (!smmu->as) { - dev_err(dev, "failed to allocate smmu_as\n"); - err = -ENOMEM; - goto fail; - } - for (i = 0; i < smmu->num_as; i++) { struct smmu_as *as = &smmu->as[i]; @@ -950,57 +987,28 @@ static int tegra_smmu_probe(struct platform_device *pdev) INIT_LIST_HEAD(&as->client); } spin_lock_init(&smmu->lock); - smmu_setup_regs(smmu); + err = smmu_setup_regs(smmu); + if (err) + return err; platform_set_drvdata(pdev, smmu); smmu->avp_vector_page = alloc_page(GFP_KERNEL); if (!smmu->avp_vector_page) - goto fail; + return -ENOMEM; smmu_handle = smmu; return 0; - -fail: - if (smmu->avp_vector_page) - __free_page(smmu->avp_vector_page); - if (smmu->regs) - devm_iounmap(dev, smmu->regs); - if (smmu->regs_ahbarb) - devm_iounmap(dev, smmu->regs_ahbarb); - if (smmu && smmu->as) { - for (i = 0; i < smmu->num_as; i++) { - if (smmu->as[i].pdir_page) { - ClearPageReserved(smmu->as[i].pdir_page); - __free_page(smmu->as[i].pdir_page); - } - } - devm_kfree(dev, smmu->as); - } - devm_kfree(dev, smmu); - return err; } static int tegra_smmu_remove(struct platform_device *pdev) { struct smmu_device *smmu = platform_get_drvdata(pdev); - struct device *dev = smmu->dev; + int i; smmu_write(smmu, SMMU_CONFIG_DISABLE, SMMU_CONFIG); - platform_set_drvdata(pdev, NULL); - if (smmu->as) { - int i; - - for (i = 0; i < smmu->num_as; i++) - free_pdir(&smmu->as[i]); - devm_kfree(dev, smmu->as); - } - if (smmu->avp_vector_page) - __free_page(smmu->avp_vector_page); - if (smmu->regs) - devm_iounmap(dev, smmu->regs); - if (smmu->regs_ahbarb) - devm_iounmap(dev, smmu->regs_ahbarb); - devm_kfree(dev, smmu); + for (i = 0; i < smmu->num_as; i++) + free_pdir(&smmu->as[i]); + __free_page(smmu->avp_vector_page); smmu_handle = NULL; return 0; } @@ -1010,6 +1018,14 @@ const struct dev_pm_ops tegra_smmu_pm_ops = { .resume = tegra_smmu_resume, }; +#ifdef CONFIG_OF +static struct of_device_id tegra_smmu_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra30-smmu", }, + { }, +}; +MODULE_DEVICE_TABLE(of, tegra_smmu_of_match); +#endif + static struct platform_driver tegra_smmu_driver = { .probe = tegra_smmu_probe, .remove = tegra_smmu_remove, @@ -1017,6 +1033,7 @@ static struct platform_driver tegra_smmu_driver = { .owner = THIS_MODULE, .name = "tegra-smmu", .pm = &tegra_smmu_pm_ops, + .of_match_table = of_match_ptr(tegra_smmu_of_match), }, }; @@ -1036,4 +1053,5 @@ module_exit(tegra_smmu_exit); MODULE_DESCRIPTION("IOMMU API for SMMU in Tegra30"); MODULE_AUTHOR("Hiroshi DOYU <hdoyu@nvidia.com>"); +MODULE_ALIAS("platform:tegra-smmu"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 1a0ae4445ff2..5f21f629b7ae 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -135,8 +135,8 @@ send_layer2(struct mISDNstack *st, struct sk_buff *skb) skb = NULL; else if (*debug & DEBUG_SEND_ERR) printk(KERN_DEBUG - "%s ch%d mgr prim(%x) addr(%x) err %d\n", - __func__, ch->nr, hh->prim, ch->addr, ret); + "%s mgr prim(%x) err %d\n", + __func__, hh->prim, ret); } out: mutex_unlock(&st->lmutex); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index d039de8322f0..b58b7a33914a 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1084,6 +1084,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->split_io = dm_rh_get_region_size(ms->rh); ti->num_flush_requests = 1; ti->num_discard_requests = 1; + ti->discard_zeroes_data_unsupported = 1; ms->kmirrord_wq = alloc_workqueue("kmirrord", WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0); @@ -1214,7 +1215,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, * We need to dec pending if this was a write. */ if (rw == WRITE) { - if (!(bio->bi_rw & REQ_FLUSH)) + if (!(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) dm_rh_dec(ms->rh, map_context->ll); return error; } diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index 7771ed212182..69732e03eb34 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -404,6 +404,9 @@ void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio) return; } + if (bio->bi_rw & REQ_DISCARD) + return; + /* We must inform the log that the sync count has changed. */ log->type->set_region_sync(log, region, 0); @@ -524,7 +527,7 @@ void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios) struct bio *bio; for (bio = bios->head; bio; bio = bio->bi_next) { - if (bio->bi_rw & REQ_FLUSH) + if (bio->bi_rw & (REQ_FLUSH | REQ_DISCARD)) continue; rh_inc(rh, dm_rh_bio_to_region(rh, bio)); } diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index ce59824fb414..68694da0d21d 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1245,7 +1245,10 @@ static void process_discard(struct thin_c *tc, struct bio *bio) cell_release_singleton(cell, bio); cell_release_singleton(cell2, bio); - remap_and_issue(tc, bio, lookup_result.block); + if ((!lookup_result.shared) && pool->pf.discard_passdown) + remap_and_issue(tc, bio, lookup_result.block); + else + bio_endio(bio, 0); } break; @@ -2628,6 +2631,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) if (tc->pool->pf.discard_enabled) { ti->discards_supported = 1; ti->num_discard_requests = 1; + ti->discard_zeroes_data_unsupported = 1; } dm_put(pool_md); diff --git a/drivers/md/md.c b/drivers/md/md.c index a4c219e3c859..d5ab4493c8be 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2931,6 +2931,7 @@ offset_store(struct md_rdev *rdev, const char *buf, size_t len) * can be sane */ return -EBUSY; rdev->data_offset = offset; + rdev->new_data_offset = offset; return len; } @@ -3926,8 +3927,8 @@ array_state_show(struct mddev *mddev, char *page) return sprintf(page, "%s\n", array_states[st]); } -static int do_md_stop(struct mddev * mddev, int ro, int is_open); -static int md_set_readonly(struct mddev * mddev, int is_open); +static int do_md_stop(struct mddev * mddev, int ro, struct block_device *bdev); +static int md_set_readonly(struct mddev * mddev, struct block_device *bdev); static int do_md_run(struct mddev * mddev); static int restart_array(struct mddev *mddev); @@ -3943,14 +3944,14 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len) /* stopping an active array */ if (atomic_read(&mddev->openers) > 0) return -EBUSY; - err = do_md_stop(mddev, 0, 0); + err = do_md_stop(mddev, 0, NULL); break; case inactive: /* stopping an active array */ if (mddev->pers) { if (atomic_read(&mddev->openers) > 0) return -EBUSY; - err = do_md_stop(mddev, 2, 0); + err = do_md_stop(mddev, 2, NULL); } else err = 0; /* already inactive */ break; @@ -3958,7 +3959,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len) break; /* not supported yet */ case readonly: if (mddev->pers) - err = md_set_readonly(mddev, 0); + err = md_set_readonly(mddev, NULL); else { mddev->ro = 1; set_disk_ro(mddev->gendisk, 1); @@ -3968,7 +3969,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len) case read_auto: if (mddev->pers) { if (mddev->ro == 0) - err = md_set_readonly(mddev, 0); + err = md_set_readonly(mddev, NULL); else if (mddev->ro == 1) err = restart_array(mddev); if (err == 0) { @@ -5351,15 +5352,17 @@ void md_stop(struct mddev *mddev) } EXPORT_SYMBOL_GPL(md_stop); -static int md_set_readonly(struct mddev *mddev, int is_open) +static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) { int err = 0; mutex_lock(&mddev->open_mutex); - if (atomic_read(&mddev->openers) > is_open) { + if (atomic_read(&mddev->openers) > !!bdev) { printk("md: %s still in use.\n",mdname(mddev)); err = -EBUSY; goto out; } + if (bdev) + sync_blockdev(bdev); if (mddev->pers) { __md_stop_writes(mddev); @@ -5381,18 +5384,26 @@ out: * 0 - completely stop and dis-assemble array * 2 - stop but do not disassemble array */ -static int do_md_stop(struct mddev * mddev, int mode, int is_open) +static int do_md_stop(struct mddev * mddev, int mode, + struct block_device *bdev) { struct gendisk *disk = mddev->gendisk; struct md_rdev *rdev; mutex_lock(&mddev->open_mutex); - if (atomic_read(&mddev->openers) > is_open || + if (atomic_read(&mddev->openers) > !!bdev || mddev->sysfs_active) { printk("md: %s still in use.\n",mdname(mddev)); mutex_unlock(&mddev->open_mutex); return -EBUSY; } + if (bdev) + /* It is possible IO was issued on some other + * open file which was closed before we took ->open_mutex. + * As that was not the last close __blkdev_put will not + * have called sync_blockdev, so we must. + */ + sync_blockdev(bdev); if (mddev->pers) { if (mddev->ro) @@ -5466,7 +5477,7 @@ static void autorun_array(struct mddev *mddev) err = do_md_run(mddev); if (err) { printk(KERN_WARNING "md: do_md_run() returned %d\n", err); - do_md_stop(mddev, 0, 0); + do_md_stop(mddev, 0, NULL); } } @@ -6481,11 +6492,11 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, goto done_unlock; case STOP_ARRAY: - err = do_md_stop(mddev, 0, 1); + err = do_md_stop(mddev, 0, bdev); goto done_unlock; case STOP_ARRAY_RO: - err = md_set_readonly(mddev, 1); + err = md_set_readonly(mddev, bdev); goto done_unlock; case BLKROSET: diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 8c2754f835ef..cacd008d6864 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1818,8 +1818,14 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) if (atomic_dec_and_test(&r1_bio->remaining)) { /* if we're here, all write(s) have completed, so clean up */ - md_done_sync(mddev, r1_bio->sectors, 1); - put_buf(r1_bio); + int s = r1_bio->sectors; + if (test_bit(R1BIO_MadeGood, &r1_bio->state) || + test_bit(R1BIO_WriteError, &r1_bio->state)) + reschedule_retry(r1_bio); + else { + put_buf(r1_bio); + md_done_sync(mddev, s, 1); + } } } @@ -2485,9 +2491,10 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp */ if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) { atomic_set(&r1_bio->remaining, read_targets); - for (i = 0; i < conf->raid_disks * 2; i++) { + for (i = 0; i < conf->raid_disks * 2 && read_targets; i++) { bio = r1_bio->bios[i]; if (bio->bi_end_io == end_sync_read) { + read_targets--; md_sync_acct(bio->bi_bdev, nr_sectors); generic_make_request(bio); } diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 00a67326c193..39eab73b01ae 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -243,6 +243,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, if (minor == MAX_DVB_MINORS) { kfree(dvbdevfops); kfree(dvbdev); + up_write(&minor_rwsem); mutex_unlock(&dvbdev_register_lock); return -EINVAL; } diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c index 342c2c8c1ddf..54ee34872d14 100644 --- a/drivers/media/rc/winbond-cir.c +++ b/drivers/media/rc/winbond-cir.c @@ -232,7 +232,7 @@ MODULE_PARM_DESC(invert, "Invert the signal from the IR receiver"); static bool txandrx; /* default = 0 */ module_param(txandrx, bool, 0444); -MODULE_PARM_DESC(invert, "Allow simultaneous TX and RX"); +MODULE_PARM_DESC(txandrx, "Allow simultaneous TX and RX"); static unsigned int wake_sc = 0x800F040C; module_param(wake_sc, uint, 0644); @@ -1032,6 +1032,8 @@ wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id) data->dev->tx_ir = wbcir_tx; data->dev->priv = data; data->dev->dev.parent = &device->dev; + data->dev->timeout = MS_TO_NS(100); + data->dev->allowed_protos = RC_TYPE_ALL; if (!request_region(data->wbase, WAKEUP_IOMEM_LEN, DRVNAME)) { dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", diff --git a/drivers/media/video/cx231xx/cx231xx-audio.c b/drivers/media/video/cx231xx/cx231xx-audio.c index 068f78dc5d13..b4c99c7270cf 100644 --- a/drivers/media/video/cx231xx/cx231xx-audio.c +++ b/drivers/media/video/cx231xx/cx231xx-audio.c @@ -307,7 +307,7 @@ static int cx231xx_init_audio_isoc(struct cx231xx *dev) urb->context = dev; urb->pipe = usb_rcvisocpipe(dev->udev, dev->adev.end_point_addr); - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; + urb->transfer_flags = URB_ISO_ASAP; urb->transfer_buffer = dev->adev.transfer_buffer[i]; urb->interval = 1; urb->complete = cx231xx_audio_isocirq; @@ -368,7 +368,7 @@ static int cx231xx_init_audio_bulk(struct cx231xx *dev) urb->context = dev; urb->pipe = usb_rcvbulkpipe(dev->udev, dev->adev.end_point_addr); - urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + urb->transfer_flags = 0; urb->transfer_buffer = dev->adev.transfer_buffer[i]; urb->complete = cx231xx_audio_bulkirq; urb->transfer_buffer_length = sb_size; diff --git a/drivers/media/video/cx231xx/cx231xx-vbi.c b/drivers/media/video/cx231xx/cx231xx-vbi.c index 3d15314e1f88..ac7db52f404f 100644 --- a/drivers/media/video/cx231xx/cx231xx-vbi.c +++ b/drivers/media/video/cx231xx/cx231xx-vbi.c @@ -448,7 +448,7 @@ int cx231xx_init_vbi_isoc(struct cx231xx *dev, int max_packets, return -ENOMEM; } dev->vbi_mode.bulk_ctl.urb[i] = urb; - urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; + urb->transfer_flags = 0; dev->vbi_mode.bulk_ctl.transfer_buffer[i] = kzalloc(sb_size, GFP_KERNEL); diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 13739e002a63..080e11157e5f 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -127,22 +127,37 @@ struct cx23885_board cx23885_boards[] = { }, [CX23885_BOARD_HAUPPAUGE_HVR1250] = { .name = "Hauppauge WinTV-HVR1250", + .porta = CX23885_ANALOG_VIDEO, .portc = CX23885_MPEG_DVB, +#ifdef MT2131_NO_ANALOG_SUPPORT_YET + .tuner_type = TUNER_PHILIPS_TDA8290, + .tuner_addr = 0x42, /* 0x84 >> 1 */ + .tuner_bus = 1, +#endif + .force_bff = 1, .input = {{ +#ifdef MT2131_NO_ANALOG_SUPPORT_YET .type = CX23885_VMUX_TELEVISION, - .vmux = 0, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN5_CH2 | + CX25840_VIN2_CH1, + .amux = CX25840_AUDIO8, .gpio0 = 0xff00, }, { - .type = CX23885_VMUX_DEBUG, - .vmux = 0, - .gpio0 = 0xff01, - }, { +#endif .type = CX23885_VMUX_COMPOSITE1, - .vmux = 1, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN4_CH2 | + CX25840_VIN6_CH1, + .amux = CX25840_AUDIO7, .gpio0 = 0xff02, }, { .type = CX23885_VMUX_SVIDEO, - .vmux = 2, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN4_CH2 | + CX25840_VIN8_CH1 | + CX25840_SVIDEO_ON, + .amux = CX25840_AUDIO7, .gpio0 = 0xff02, } }, }, @@ -267,7 +282,55 @@ struct cx23885_board cx23885_boards[] = { }, [CX23885_BOARD_HAUPPAUGE_HVR1255] = { .name = "Hauppauge WinTV-HVR1255", + .porta = CX23885_ANALOG_VIDEO, + .portc = CX23885_MPEG_DVB, + .tuner_type = TUNER_ABSENT, + .tuner_addr = 0x42, /* 0x84 >> 1 */ + .force_bff = 1, + .input = {{ + .type = CX23885_VMUX_TELEVISION, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN5_CH2 | + CX25840_VIN2_CH1 | + CX25840_DIF_ON, + .amux = CX25840_AUDIO8, + }, { + .type = CX23885_VMUX_COMPOSITE1, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN4_CH2 | + CX25840_VIN6_CH1, + .amux = CX25840_AUDIO7, + }, { + .type = CX23885_VMUX_SVIDEO, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN4_CH2 | + CX25840_VIN8_CH1 | + CX25840_SVIDEO_ON, + .amux = CX25840_AUDIO7, + } }, + }, + [CX23885_BOARD_HAUPPAUGE_HVR1255_22111] = { + .name = "Hauppauge WinTV-HVR1255", + .porta = CX23885_ANALOG_VIDEO, .portc = CX23885_MPEG_DVB, + .tuner_type = TUNER_ABSENT, + .tuner_addr = 0x42, /* 0x84 >> 1 */ + .force_bff = 1, + .input = {{ + .type = CX23885_VMUX_TELEVISION, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN5_CH2 | + CX25840_VIN2_CH1 | + CX25840_DIF_ON, + .amux = CX25840_AUDIO8, + }, { + .type = CX23885_VMUX_SVIDEO, + .vmux = CX25840_VIN7_CH3 | + CX25840_VIN4_CH2 | + CX25840_VIN8_CH1 | + CX25840_SVIDEO_ON, + .amux = CX25840_AUDIO7, + } }, }, [CX23885_BOARD_HAUPPAUGE_HVR1210] = { .name = "Hauppauge WinTV-HVR1210", @@ -624,7 +687,7 @@ struct cx23885_subid cx23885_subids[] = { }, { .subvendor = 0x0070, .subdevice = 0x2259, - .card = CX23885_BOARD_HAUPPAUGE_HVR1255, + .card = CX23885_BOARD_HAUPPAUGE_HVR1255_22111, }, { .subvendor = 0x0070, .subdevice = 0x2291, @@ -900,7 +963,7 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg) struct cx23885_dev *dev = port->dev; u32 bitmask = 0; - if (command == XC2028_RESET_CLK) + if ((command == XC2028_RESET_CLK) || (command == XC2028_I2C_FLUSH)) return 0; if (command != 0) { @@ -1130,6 +1193,7 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1270: case CX23885_BOARD_HAUPPAUGE_HVR1275: case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1210: /* GPIO-5 RF Control: 0 = RF1 Terrestrial, 1 = RF2 Cable */ /* GPIO-6 I2C Gate which can isolate the demod from the bus */ @@ -1267,6 +1331,7 @@ int cx23885_ir_init(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1400: case CX23885_BOARD_HAUPPAUGE_HVR1275: case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1210: /* FIXME: Implement me */ break; @@ -1424,6 +1489,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1270: case CX23885_BOARD_HAUPPAUGE_HVR1275: case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1210: case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_HAUPPAUGE_HVR1290: @@ -1511,6 +1577,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1270: case CX23885_BOARD_HAUPPAUGE_HVR1275: case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1210: case CX23885_BOARD_COMPRO_VIDEOMATE_E800: case CX23885_BOARD_HAUPPAUGE_HVR1290: @@ -1526,10 +1593,10 @@ void cx23885_card_setup(struct cx23885_dev *dev) */ switch (dev->board) { case CX23885_BOARD_TEVII_S470: - case CX23885_BOARD_HAUPPAUGE_HVR1250: /* Currently only enabled for the integrated IR controller */ if (!enable_885_ir) break; + case CX23885_BOARD_HAUPPAUGE_HVR1250: case CX23885_BOARD_HAUPPAUGE_HVR1800: case CX23885_BOARD_HAUPPAUGE_HVR1800lp: case CX23885_BOARD_HAUPPAUGE_HVR1700: @@ -1539,6 +1606,8 @@ void cx23885_card_setup(struct cx23885_dev *dev) case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF: case CX23885_BOARD_COMPRO_VIDEOMATE_E800: + case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1270: case CX23885_BOARD_HAUPPAUGE_HVR1850: case CX23885_BOARD_MYGICA_X8506: diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index a80a92c47455..cd542684ba02 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -712,6 +712,7 @@ static int dvb_register(struct cx23885_tsport *port) } break; case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: i2c_bus = &dev->i2c_bus[0]; fe0->dvb.frontend = dvb_attach(s5h1411_attach, &hcw_s5h1411_config, @@ -721,6 +722,11 @@ static int dvb_register(struct cx23885_tsport *port) 0x60, &dev->i2c_bus[1].i2c_adap, &hauppauge_tda18271_config); } + + tda18271_attach(&dev->ts1.analog_fe, + 0x60, &dev->i2c_bus[1].i2c_adap, + &hauppauge_tda18271_config); + break; case CX23885_BOARD_HAUPPAUGE_HVR1800: i2c_bus = &dev->i2c_bus[0]; diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index c654bdc7ccb2..22f8e7fbd665 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -505,6 +505,9 @@ static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || (dev->board == CX23885_BOARD_MPX885) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850)) { /* Configure audio routing */ v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, @@ -1578,7 +1581,9 @@ static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, fe = vfe->dvb.frontend; - if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) + if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || + (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) fe = &dev->ts1.analog_fe; if (fe && fe->ops.tuner_ops.set_analog_params) { @@ -1608,6 +1613,8 @@ int cx23885_set_frequency(struct file *file, void *priv, int ret; switch (dev->board) { + case CX23885_BOARD_HAUPPAUGE_HVR1255: + case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: case CX23885_BOARD_HAUPPAUGE_HVR1850: ret = cx23885_set_freq_via_ops(dev, f); break; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index d884784a1c85..13c37ec07ae7 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -90,6 +90,7 @@ #define CX23885_BOARD_MYGICA_X8507 33 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34 #define CX23885_BOARD_TEVII_S471 35 +#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36 #define GPIO_0 0x00000001 #define GPIO_1 0x00000002 diff --git a/drivers/media/video/cx25821/cx25821-core.c b/drivers/media/video/cx25821/cx25821-core.c index 83c1aa6b2e6c..f11f6f07e915 100644 --- a/drivers/media/video/cx25821/cx25821-core.c +++ b/drivers/media/video/cx25821/cx25821-core.c @@ -904,9 +904,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) list_add_tail(&dev->devlist, &cx25821_devlist); mutex_unlock(&cx25821_devlist_mutex); - strcpy(cx25821_boards[UNKNOWN_BOARD].name, "unknown"); - strcpy(cx25821_boards[CX25821_BOARD].name, "cx25821"); - if (dev->pci->device != 0x8210) { pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n", __func__, dev->pci->device); diff --git a/drivers/media/video/cx25821/cx25821.h b/drivers/media/video/cx25821/cx25821.h index b9aa801b00a7..029f2934a6d8 100644 --- a/drivers/media/video/cx25821/cx25821.h +++ b/drivers/media/video/cx25821/cx25821.h @@ -187,7 +187,7 @@ enum port { }; struct cx25821_board { - char *name; + const char *name; enum port porta; enum port portb; enum port portc; diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index fc1ff69cffd0..d8eac3e30a7e 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -84,7 +84,7 @@ MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]"); /* ----------------------------------------------------------------------- */ -static void cx23885_std_setup(struct i2c_client *client); +static void cx23888_std_setup(struct i2c_client *client); int cx25840_write(struct i2c_client *client, u16 addr, u8 value) { @@ -638,10 +638,13 @@ static void cx23885_initialize(struct i2c_client *client) finish_wait(&state->fw_wait, &wait); destroy_workqueue(q); - /* Call the cx23885 specific std setup func, we no longer rely on + /* Call the cx23888 specific std setup func, we no longer rely on * the generic cx24840 func. */ - cx23885_std_setup(client); + if (is_cx23888(state)) + cx23888_std_setup(client); + else + cx25840_std_setup(client); /* (re)set input */ set_input(client, state->vid_input, state->aud_input); @@ -1103,9 +1106,23 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp cx25840_write4(client, 0x410, 0xffff0dbf); cx25840_write4(client, 0x414, 0x00137d03); - cx25840_write4(client, 0x418, 0x01008080); + + /* on the 887, 0x418 is HSCALE_CTRL, on the 888 it is + CHROMA_CTRL */ + if (is_cx23888(state)) + cx25840_write4(client, 0x418, 0x01008080); + else + cx25840_write4(client, 0x418, 0x01000000); + cx25840_write4(client, 0x41c, 0x00000000); - cx25840_write4(client, 0x420, 0x001c3e0f); + + /* on the 887, 0x420 is CHROMA_CTRL, on the 888 it is + CRUSH_CTRL */ + if (is_cx23888(state)) + cx25840_write4(client, 0x420, 0x001c3e0f); + else + cx25840_write4(client, 0x420, 0x001c8282); + cx25840_write4(client, 0x42c, 0x42600000); cx25840_write4(client, 0x430, 0x0000039b); cx25840_write4(client, 0x438, 0x00000000); @@ -1233,7 +1250,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp cx25840_write4(client, 0x8d0, 0x1f063870); } - if (is_cx2388x(state)) { + if (is_cx23888(state)) { /* HVR1850 */ /* AUD_IO_CTRL - I2S Input, Parallel1*/ /* - Channel 1 src - Parallel1 (Merlin out) */ @@ -1298,8 +1315,8 @@ static int set_v4lstd(struct i2c_client *client) } cx25840_and_or(client, 0x400, ~0xf, fmt); cx25840_and_or(client, 0x403, ~0x3, pal_m); - if (is_cx2388x(state)) - cx23885_std_setup(client); + if (is_cx23888(state)) + cx23888_std_setup(client); else cx25840_std_setup(client); if (!is_cx2583x(state)) @@ -1312,6 +1329,7 @@ static int set_v4lstd(struct i2c_client *client) static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); + struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { @@ -1324,12 +1342,20 @@ static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl) break; case V4L2_CID_SATURATION: - cx25840_write(client, 0x420, ctrl->val << 1); - cx25840_write(client, 0x421, ctrl->val << 1); + if (is_cx23888(state)) { + cx25840_write(client, 0x418, ctrl->val << 1); + cx25840_write(client, 0x419, ctrl->val << 1); + } else { + cx25840_write(client, 0x420, ctrl->val << 1); + cx25840_write(client, 0x421, ctrl->val << 1); + } break; case V4L2_CID_HUE: - cx25840_write(client, 0x422, ctrl->val); + if (is_cx23888(state)) + cx25840_write(client, 0x41a, ctrl->val); + else + cx25840_write(client, 0x422, ctrl->val); break; default: @@ -1354,11 +1380,21 @@ static int cx25840_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt fmt->field = V4L2_FIELD_INTERLACED; fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; - Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; - Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; + if (is_cx23888(state)) { + Vsrc = (cx25840_read(client, 0x42a) & 0x3f) << 4; + Vsrc |= (cx25840_read(client, 0x429) & 0xf0) >> 4; + } else { + Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; + Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; + } - Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; - Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; + if (is_cx23888(state)) { + Hsrc = (cx25840_read(client, 0x426) & 0x3f) << 4; + Hsrc |= (cx25840_read(client, 0x425) & 0xf0) >> 4; + } else { + Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; + Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; + } Vlines = fmt->height + (is_50Hz ? 4 : 7); @@ -1782,8 +1818,8 @@ static int cx25840_s_video_routing(struct v4l2_subdev *sd, struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); - if (is_cx2388x(state)) - cx23885_std_setup(client); + if (is_cx23888(state)) + cx23888_std_setup(client); return set_input(client, input, state->aud_input); } @@ -1794,8 +1830,8 @@ static int cx25840_s_audio_routing(struct v4l2_subdev *sd, struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); - if (is_cx2388x(state)) - cx23885_std_setup(client); + if (is_cx23888(state)) + cx23888_std_setup(client); return set_input(client, state->vid_input, input); } @@ -4939,7 +4975,7 @@ void cx23885_dif_setup(struct i2c_client *client, u32 ifHz) } } -static void cx23885_std_setup(struct i2c_client *client) +static void cx23888_std_setup(struct i2c_client *client) { struct cx25840_state *state = to_state(i2c_get_clientdata(client)); v4l2_std_id std = state->std; diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index 92da7c28b6f0..862c6575c557 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -2893,7 +2893,7 @@ static void request_module_async(struct work_struct *work) if (dev->board.has_dvb) request_module("em28xx-dvb"); - if (dev->board.has_ir_i2c && !disable_ir) + if (dev->board.ir_codes && !disable_ir) request_module("em28xx-rc"); } diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 6c31e46a1fd2..b9c6f17eabb2 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -2070,10 +2070,13 @@ static int sd_start(struct gspca_dev *gspca_dev) set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma)); set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue), v4l2_ctrl_g_ctrl(sd->red)); - set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); - set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); - set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), - v4l2_ctrl_g_ctrl(sd->vflip)); + if (sd->gain) + set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); + if (sd->exposure) + set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); + if (sd->hflip) + set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), + v4l2_ctrl_g_ctrl(sd->vflip)); reg_w1(gspca_dev, 0x1007, 0x20); reg_w1(gspca_dev, 0x1061, 0x03); @@ -2176,7 +2179,7 @@ static void sd_dqcallback(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int avg_lum; - if (!v4l2_ctrl_g_ctrl(sd->autogain)) + if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain)) return; avg_lum = atomic_read(&sd->avg_lum); diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 41f9a254b245..637bde8aca28 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -83,6 +83,7 @@ #define CSICR1_INV_DATA (1 << 3) #define CSICR1_INV_PCLK (1 << 2) #define CSICR1_REDGE (1 << 1) +#define CSICR1_FMT_MASK (CSICR1_PACK_DIR | CSICR1_SWAP16_EN) #define SHIFT_STATFF_LEVEL 22 #define SHIFT_RXFF_LEVEL 19 @@ -230,6 +231,7 @@ struct mx2_prp_cfg { u32 src_pixel; u32 ch1_pixel; u32 irq_flags; + u32 csicr1; }; /* prp resizing parameters */ @@ -330,6 +332,7 @@ static struct mx2_fmt_cfg mx27_emma_prp_table[] = { .ch1_pixel = 0x2ca00565, /* RGB565 */ .irq_flags = PRP_INTR_RDERR | PRP_INTR_CH1WERR | PRP_INTR_CH1FC | PRP_INTR_LBOVF, + .csicr1 = 0, } }, { @@ -343,6 +346,21 @@ static struct mx2_fmt_cfg mx27_emma_prp_table[] = { .irq_flags = PRP_INTR_RDERR | PRP_INTR_CH2WERR | PRP_INTR_CH2FC | PRP_INTR_LBOVF | PRP_INTR_CH2OVF, + .csicr1 = CSICR1_PACK_DIR, + } + }, + { + .in_fmt = V4L2_MBUS_FMT_UYVY8_2X8, + .out_fmt = V4L2_PIX_FMT_YUV420, + .cfg = { + .channel = 2, + .in_fmt = PRP_CNTL_DATA_IN_YUV422, + .out_fmt = PRP_CNTL_CH2_OUT_YUV420, + .src_pixel = 0x22000888, /* YUV422 (YUYV) */ + .irq_flags = PRP_INTR_RDERR | PRP_INTR_CH2WERR | + PRP_INTR_CH2FC | PRP_INTR_LBOVF | + PRP_INTR_CH2OVF, + .csicr1 = CSICR1_SWAP16_EN, } }, }; @@ -1015,14 +1033,14 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd) return ret; } + csicr1 = (csicr1 & ~CSICR1_FMT_MASK) | pcdev->emma_prp->cfg.csicr1; + if (common_flags & V4L2_MBUS_PCLK_SAMPLE_RISING) csicr1 |= CSICR1_REDGE; if (common_flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) csicr1 |= CSICR1_SOF_POL; if (common_flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) csicr1 |= CSICR1_HSYNC_POL; - if (pcdev->platform_flags & MX2_CAMERA_SWAP16) - csicr1 |= CSICR1_SWAP16_EN; if (pcdev->platform_flags & MX2_CAMERA_EXT_VSYNC) csicr1 |= CSICR1_EXT_VSYNC; if (pcdev->platform_flags & MX2_CAMERA_CCIR) @@ -1033,8 +1051,6 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd) csicr1 |= CSICR1_GCLK_MODE; if (pcdev->platform_flags & MX2_CAMERA_INV_DATA) csicr1 |= CSICR1_INV_DATA; - if (pcdev->platform_flags & MX2_CAMERA_PACK_DIR_MSB) - csicr1 |= CSICR1_PACK_DIR; pcdev->csicr1 = csicr1; @@ -1109,7 +1125,8 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd, return 0; } - if (code == V4L2_MBUS_FMT_YUYV8_2X8) { + if (code == V4L2_MBUS_FMT_YUYV8_2X8 || + code == V4L2_MBUS_FMT_UYVY8_2X8) { formats++; if (xlate) { /* diff --git a/drivers/media/video/omap3isp/isppreview.c b/drivers/media/video/omap3isp/isppreview.c index 8a4935ecc655..dd91da26f1b0 100644 --- a/drivers/media/video/omap3isp/isppreview.c +++ b/drivers/media/video/omap3isp/isppreview.c @@ -888,12 +888,12 @@ static const struct preview_update update_attrs[] = { preview_config_contrast, NULL, offsetof(struct prev_params, contrast), - 0, true, + 0, 0, true, }, /* OMAP3ISP_PREV_BRIGHTNESS */ { preview_config_brightness, NULL, offsetof(struct prev_params, brightness), - 0, true, + 0, 0, true, }, }; @@ -1102,7 +1102,7 @@ static void preview_config_input_size(struct isp_prev_device *prev, u32 active) unsigned int elv = prev->crop.top + prev->crop.height - 1; u32 features; - if (format->code == V4L2_MBUS_FMT_Y10_1X10) { + if (format->code != V4L2_MBUS_FMT_Y10_1X10) { sph -= 2; eph += 2; slv -= 2; diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index c370c2d87c17..b4c679b3fb0f 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -26,6 +26,7 @@ #include <linux/fs.h> #include <linux/kernel.h> #include <linux/mm.h> +#include <linux/slab.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/mutex.h> diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 354574591908..725812aa0c30 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -350,7 +350,8 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt, if (pixm) sizes[i] = max(size, pixm->plane_fmt[i].sizeimage); else - sizes[i] = size; + sizes[i] = max_t(u32, size, frame->payload[i]); + allocators[i] = ctx->fimc_dev->alloc_ctx; } @@ -479,37 +480,39 @@ static int fimc_capture_set_default_format(struct fimc_dev *fimc); static int fimc_capture_open(struct file *file) { struct fimc_dev *fimc = video_drvdata(file); - int ret = v4l2_fh_open(file); - - if (ret) - return ret; + int ret; dbg("pid: %d, state: 0x%lx", task_pid_nr(current), fimc->state); - /* Return if the corresponding video mem2mem node is already opened. */ if (fimc_m2m_active(fimc)) return -EBUSY; set_bit(ST_CAPT_BUSY, &fimc->state); - pm_runtime_get_sync(&fimc->pdev->dev); + ret = pm_runtime_get_sync(&fimc->pdev->dev); + if (ret < 0) + return ret; - if (++fimc->vid_cap.refcnt == 1) { - ret = fimc_pipeline_initialize(&fimc->pipeline, - &fimc->vid_cap.vfd->entity, true); - if (ret < 0) { - dev_err(&fimc->pdev->dev, - "Video pipeline initialization failed\n"); - pm_runtime_put_sync(&fimc->pdev->dev); - fimc->vid_cap.refcnt--; - v4l2_fh_release(file); - clear_bit(ST_CAPT_BUSY, &fimc->state); - return ret; - } - ret = fimc_capture_ctrls_create(fimc); + ret = v4l2_fh_open(file); + if (ret) + return ret; - if (!ret && !fimc->vid_cap.user_subdev_api) - ret = fimc_capture_set_default_format(fimc); + if (++fimc->vid_cap.refcnt != 1) + return 0; + + ret = fimc_pipeline_initialize(&fimc->pipeline, + &fimc->vid_cap.vfd->entity, true); + if (ret < 0) { + clear_bit(ST_CAPT_BUSY, &fimc->state); + pm_runtime_put_sync(&fimc->pdev->dev); + fimc->vid_cap.refcnt--; + v4l2_fh_release(file); + return ret; } + ret = fimc_capture_ctrls_create(fimc); + + if (!ret && !fimc->vid_cap.user_subdev_api) + ret = fimc_capture_set_default_format(fimc); + return ret; } @@ -818,9 +821,6 @@ static int fimc_cap_g_fmt_mplane(struct file *file, void *fh, struct fimc_dev *fimc = video_drvdata(file); struct fimc_ctx *ctx = fimc->vid_cap.ctx; - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - return -EINVAL; - return fimc_fill_format(&ctx->d_frame, f); } @@ -833,9 +833,6 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, struct v4l2_mbus_framefmt mf; struct fimc_fmt *ffmt = NULL; - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - return -EINVAL; - if (pix->pixelformat == V4L2_PIX_FMT_JPEG) { fimc_capture_try_format(ctx, &pix->width, &pix->height, NULL, &pix->pixelformat, @@ -887,8 +884,6 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f) struct fimc_fmt *s_fmt = NULL; int ret, i; - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) - return -EINVAL; if (vb2_is_busy(&fimc->vid_cap.vbq)) return -EBUSY; @@ -924,10 +919,10 @@ static int fimc_capture_set_format(struct fimc_dev *fimc, struct v4l2_format *f) pix->width = mf->width; pix->height = mf->height; } + fimc_adjust_mplane_format(ff->fmt, pix->width, pix->height, pix); for (i = 0; i < ff->fmt->colplanes; i++) - ff->payload[i] = - (pix->width * pix->height * ff->fmt->depth[i]) / 8; + ff->payload[i] = pix->plane_fmt[i].sizeimage; set_frame_bounds(ff, pix->width, pix->height); /* Reset the composition rectangle if not yet configured */ @@ -1045,18 +1040,22 @@ static int fimc_cap_streamon(struct file *file, void *priv, { struct fimc_dev *fimc = video_drvdata(file); struct fimc_pipeline *p = &fimc->pipeline; + struct v4l2_subdev *sd = p->subdevs[IDX_SENSOR]; int ret; if (fimc_capture_active(fimc)) return -EBUSY; - media_entity_pipeline_start(&p->subdevs[IDX_SENSOR]->entity, - p->m_pipeline); + ret = media_entity_pipeline_start(&sd->entity, p->m_pipeline); + if (ret < 0) + return ret; if (fimc->vid_cap.user_subdev_api) { ret = fimc_pipeline_validate(fimc); - if (ret) + if (ret < 0) { + media_entity_pipeline_stop(&sd->entity); return ret; + } } return vb2_streamon(&fimc->vid_cap.vbq, type); } diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index 92fc5a20fb76..a4646ca1d56f 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -153,7 +153,7 @@ static struct fimc_fmt fimc_formats[] = { .colplanes = 2, .flags = FMT_FLAGS_M2M, }, { - .name = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr", + .name = "YUV 4:2:0 non-contig. 2p, Y/CbCr", .fourcc = V4L2_PIX_FMT_NV12M, .color = FIMC_FMT_YCBCR420, .depth = { 8, 4 }, @@ -161,7 +161,7 @@ static struct fimc_fmt fimc_formats[] = { .colplanes = 2, .flags = FMT_FLAGS_M2M, }, { - .name = "YUV 4:2:0 non-contiguous 3-planar, Y/Cb/Cr", + .name = "YUV 4:2:0 non-contig. 3p, Y/Cb/Cr", .fourcc = V4L2_PIX_FMT_YUV420M, .color = FIMC_FMT_YCBCR420, .depth = { 8, 2, 2 }, @@ -169,7 +169,7 @@ static struct fimc_fmt fimc_formats[] = { .colplanes = 3, .flags = FMT_FLAGS_M2M, }, { - .name = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr, tiled", + .name = "YUV 4:2:0 non-contig. 2p, tiled", .fourcc = V4L2_PIX_FMT_NV12MT, .color = FIMC_FMT_YCBCR420, .depth = { 8, 4 }, @@ -641,7 +641,7 @@ void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active) if (!ctrls->ready) return; - mutex_lock(&ctrls->handler.lock); + mutex_lock(ctrls->handler.lock); v4l2_ctrl_activate(ctrls->rotate, active); v4l2_ctrl_activate(ctrls->hflip, active); v4l2_ctrl_activate(ctrls->vflip, active); @@ -660,7 +660,7 @@ void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active) ctx->hflip = 0; ctx->vflip = 0; } - mutex_unlock(&ctrls->handler.lock); + mutex_unlock(ctrls->handler.lock); } /* Update maximum value of the alpha color control */ @@ -741,8 +741,8 @@ void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, pix->width = width; for (i = 0; i < pix->num_planes; ++i) { - u32 bpl = pix->plane_fmt[i].bytesperline; - u32 *sizeimage = &pix->plane_fmt[i].sizeimage; + struct v4l2_plane_pix_format *plane_fmt = &pix->plane_fmt[i]; + u32 bpl = plane_fmt->bytesperline; if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width)) bpl = pix->width; /* Planar */ @@ -754,8 +754,9 @@ void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height, if (i == 0) /* Same bytesperline for each plane. */ bytesperline = bpl; - pix->plane_fmt[i].bytesperline = bytesperline; - *sizeimage = (pix->width * pix->height * fmt->depth[i]) / 8; + plane_fmt->bytesperline = bytesperline; + plane_fmt->sizeimage = max((pix->width * pix->height * + fmt->depth[i]) / 8, plane_fmt->sizeimage); } } diff --git a/drivers/media/video/s5p-fimc/fimc-lite.c b/drivers/media/video/s5p-fimc/fimc-lite.c index 400d701aef04..74ff310db30c 100644 --- a/drivers/media/video/s5p-fimc/fimc-lite.c +++ b/drivers/media/video/s5p-fimc/fimc-lite.c @@ -451,34 +451,44 @@ static void fimc_lite_clear_event_counters(struct fimc_lite *fimc) static int fimc_lite_open(struct file *file) { struct fimc_lite *fimc = video_drvdata(file); - int ret = v4l2_fh_open(file); + int ret; - if (ret) - return ret; + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; set_bit(ST_FLITE_IN_USE, &fimc->state); - pm_runtime_get_sync(&fimc->pdev->dev); + ret = pm_runtime_get_sync(&fimc->pdev->dev); + if (ret < 0) + goto done; - if (++fimc->ref_count != 1 || fimc->out_path != FIMC_IO_DMA) - return ret; + ret = v4l2_fh_open(file); + if (ret < 0) + goto done; - ret = fimc_pipeline_initialize(&fimc->pipeline, &fimc->vfd->entity, - true); - if (ret < 0) { - v4l2_err(fimc->vfd, "Video pipeline initialization failed\n"); - pm_runtime_put_sync(&fimc->pdev->dev); - fimc->ref_count--; - v4l2_fh_release(file); - clear_bit(ST_FLITE_IN_USE, &fimc->state); - } + if (++fimc->ref_count == 1 && fimc->out_path == FIMC_IO_DMA) { + ret = fimc_pipeline_initialize(&fimc->pipeline, + &fimc->vfd->entity, true); + if (ret < 0) { + pm_runtime_put_sync(&fimc->pdev->dev); + fimc->ref_count--; + v4l2_fh_release(file); + clear_bit(ST_FLITE_IN_USE, &fimc->state); + } - fimc_lite_clear_event_counters(fimc); + fimc_lite_clear_event_counters(fimc); + } +done: + mutex_unlock(&fimc->lock); return ret; } static int fimc_lite_close(struct file *file) { struct fimc_lite *fimc = video_drvdata(file); + int ret; + + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; if (--fimc->ref_count == 0 && fimc->out_path == FIMC_IO_DMA) { clear_bit(ST_FLITE_IN_USE, &fimc->state); @@ -492,20 +502,39 @@ static int fimc_lite_close(struct file *file) if (fimc->ref_count == 0) vb2_queue_release(&fimc->vb_queue); - return v4l2_fh_release(file); + ret = v4l2_fh_release(file); + + mutex_unlock(&fimc->lock); + return ret; } static unsigned int fimc_lite_poll(struct file *file, struct poll_table_struct *wait) { struct fimc_lite *fimc = video_drvdata(file); - return vb2_poll(&fimc->vb_queue, file, wait); + int ret; + + if (mutex_lock_interruptible(&fimc->lock)) + return POLL_ERR; + + ret = vb2_poll(&fimc->vb_queue, file, wait); + mutex_unlock(&fimc->lock); + + return ret; } static int fimc_lite_mmap(struct file *file, struct vm_area_struct *vma) { struct fimc_lite *fimc = video_drvdata(file); - return vb2_mmap(&fimc->vb_queue, vma); + int ret; + + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; + + ret = vb2_mmap(&fimc->vb_queue, vma); + mutex_unlock(&fimc->lock); + + return ret; } static const struct v4l2_file_operations fimc_lite_fops = { @@ -762,7 +791,9 @@ static int fimc_lite_streamon(struct file *file, void *priv, if (fimc_lite_active(fimc)) return -EBUSY; - media_entity_pipeline_start(&sensor->entity, p->m_pipeline); + ret = media_entity_pipeline_start(&sensor->entity, p->m_pipeline); + if (ret < 0) + return ret; ret = fimc_pipeline_validate(fimc); if (ret) { @@ -1508,7 +1539,7 @@ static int fimc_lite_suspend(struct device *dev) return 0; ret = fimc_lite_stop_capture(fimc, suspend); - if (ret) + if (ret < 0 || !fimc_lite_active(fimc)) return ret; return fimc_pipeline_shutdown(&fimc->pipeline); diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c index 6753c45631b8..52cef4865423 100644 --- a/drivers/media/video/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c @@ -193,9 +193,13 @@ int __fimc_pipeline_shutdown(struct fimc_pipeline *p) int fimc_pipeline_shutdown(struct fimc_pipeline *p) { - struct media_entity *me = &p->subdevs[IDX_SENSOR]->entity; + struct media_entity *me; int ret; + if (!p || !p->subdevs[IDX_SENSOR]) + return -EINVAL; + + me = &p->subdevs[IDX_SENSOR]->entity; mutex_lock(&me->parent->graph_mutex); ret = __fimc_pipeline_shutdown(p); mutex_unlock(&me->parent->graph_mutex); @@ -498,12 +502,12 @@ static void fimc_md_unregister_entities(struct fimc_md *fmd) * @source: the source entity to create links to all fimc entities from * @sensor: sensor subdev linked to FIMC[fimc_id] entity, may be null * @pad: the source entity pad index - * @fimc_id: index of the fimc device for which link should be enabled + * @link_mask: bitmask of the fimc devices for which link should be enabled */ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, struct media_entity *source, struct v4l2_subdev *sensor, - int pad, int fimc_id) + int pad, int link_mask) { struct fimc_sensor_info *s_info; struct media_entity *sink; @@ -520,7 +524,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, if (!fmd->fimc[i]->variant->has_cam_if) continue; - flags = (i == fimc_id) ? MEDIA_LNK_FL_ENABLED : 0; + flags = ((1 << i) & link_mask) ? MEDIA_LNK_FL_ENABLED : 0; sink = &fmd->fimc[i]->vid_cap.subdev.entity; ret = media_entity_create_link(source, pad, sink, @@ -552,7 +556,10 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, if (!fmd->fimc_lite[i]) continue; - flags = (i == fimc_id) ? MEDIA_LNK_FL_ENABLED : 0; + if (link_mask & (1 << (i + FIMC_MAX_DEVS))) + flags = MEDIA_LNK_FL_ENABLED; + else + flags = 0; sink = &fmd->fimc_lite[i]->subdev.entity; ret = media_entity_create_link(source, pad, sink, @@ -614,9 +621,8 @@ static int fimc_md_create_links(struct fimc_md *fmd) struct s5p_fimc_isp_info *pdata; struct fimc_sensor_info *s_info; struct media_entity *source, *sink; - int i, pad, fimc_id = 0; - int ret = 0; - u32 flags; + int i, pad, fimc_id = 0, ret = 0; + u32 flags, link_mask = 0; for (i = 0; i < fmd->num_sensors; i++) { if (fmd->sensor[i].subdev == NULL) @@ -668,19 +674,20 @@ static int fimc_md_create_links(struct fimc_md *fmd) if (source == NULL) continue; + link_mask = 1 << fimc_id++; ret = __fimc_md_create_fimc_sink_links(fmd, source, sensor, - pad, fimc_id++); + pad, link_mask); } - fimc_id = 0; for (i = 0; i < ARRAY_SIZE(fmd->csis); i++) { if (fmd->csis[i].sd == NULL) continue; source = &fmd->csis[i].sd->entity; pad = CSIS_PAD_SOURCE; + link_mask = 1 << fimc_id++; ret = __fimc_md_create_fimc_sink_links(fmd, source, NULL, - pad, fimc_id++); + pad, link_mask); } /* Create immutable links between each FIMC's subdev and video node */ @@ -734,8 +741,8 @@ static void fimc_md_put_clocks(struct fimc_md *fmd) } static int __fimc_md_set_camclk(struct fimc_md *fmd, - struct fimc_sensor_info *s_info, - bool on) + struct fimc_sensor_info *s_info, + bool on) { struct s5p_fimc_isp_info *pdata = s_info->pdata; struct fimc_camclk_info *camclk; @@ -744,12 +751,10 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, if (WARN_ON(pdata->clk_id >= FIMC_MAX_CAMCLKS) || fmd == NULL) return -EINVAL; - if (s_info->clk_on == on) - return 0; camclk = &fmd->camclk[pdata->clk_id]; - dbg("camclk %d, f: %lu, clk: %p, on: %d", - pdata->clk_id, pdata->clk_frequency, camclk, on); + dbg("camclk %d, f: %lu, use_count: %d, on: %d", + pdata->clk_id, pdata->clk_frequency, camclk->use_count, on); if (on) { if (camclk->use_count > 0 && @@ -760,11 +765,9 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, clk_set_rate(camclk->clock, pdata->clk_frequency); camclk->frequency = pdata->clk_frequency; ret = clk_enable(camclk->clock); + dbg("Enabled camclk %d: f: %lu", pdata->clk_id, + clk_get_rate(camclk->clock)); } - s_info->clk_on = 1; - dbg("Enabled camclk %d: f: %lu", pdata->clk_id, - clk_get_rate(camclk->clock)); - return ret; } @@ -773,7 +776,6 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, if (--camclk->use_count == 0) { clk_disable(camclk->clock); - s_info->clk_on = 0; dbg("Disabled camclk %d", pdata->clk_id); } return ret; @@ -789,8 +791,6 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd, * devices to which sensors can be attached, either directly or through * the MIPI CSI receiver. The clock is allowed here to be used by * multiple sensors concurrently if they use same frequency. - * The per sensor subdev clk_on attribute helps to synchronize accesses - * to the sclk_cam clocks from the video and media device nodes. * This function should only be called when the graph mutex is held. */ int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on) diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.h b/drivers/media/video/s5p-fimc/fimc-mdevice.h index 3b8a3492a176..1f5dbaff5442 100644 --- a/drivers/media/video/s5p-fimc/fimc-mdevice.h +++ b/drivers/media/video/s5p-fimc/fimc-mdevice.h @@ -47,7 +47,6 @@ struct fimc_camclk_info { * @pdata: sensor's atrributes passed as media device's platform data * @subdev: image sensor v4l2 subdev * @host: fimc device the sensor is currently linked to - * @clk_on: sclk_cam clock's state associated with this subdev * * This data structure applies to image sensor and the writeback subdevs. */ @@ -55,7 +54,6 @@ struct fimc_sensor_info { struct s5p_fimc_isp_info *pdata; struct v4l2_subdev *subdev; struct fimc_dev *host; - bool clk_on; }; /** diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c index 4dd32fc8fd82..feea867f318c 100644 --- a/drivers/media/video/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/video/s5p-mfc/s5p_mfc_dec.c @@ -996,6 +996,7 @@ int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx) for (i = 0; i < NUM_CTRLS; i++) { if (IS_MFC51_PRIV(controls[i].id)) { + memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); cfg.ops = &s5p_mfc_dec_ctrl_ops; cfg.id = controls[i].id; cfg.min = controls[i].minimum; diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c index 03d83340e7fb..158b78989b89 100644 --- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c @@ -1773,6 +1773,7 @@ int s5p_mfc_enc_ctrls_setup(struct s5p_mfc_ctx *ctx) } for (i = 0; i < NUM_CTRLS; i++) { if (IS_MFC51_PRIV(controls[i].id)) { + memset(&cfg, 0, sizeof(struct v4l2_ctrl_config)); cfg.ops = &s5p_mfc_enc_ctrl_ops; cfg.id = controls[i].id; cfg.min = controls[i].minimum; diff --git a/drivers/media/video/smiapp/smiapp-core.c b/drivers/media/video/smiapp/smiapp-core.c index e8c93c89265a..9cf5bda35fbe 100644 --- a/drivers/media/video/smiapp/smiapp-core.c +++ b/drivers/media/video/smiapp/smiapp-core.c @@ -31,6 +31,7 @@ #include <linux/device.h> #include <linux/gpio.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/v4l2-mediabus.h> diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 83dbb2ddff10..0cbada18f6f5 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -681,6 +681,7 @@ static void determine_valid_ioctls(struct video_device *vdev) SET_VALID_IOCTL(ops, VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings); SET_VALID_IOCTL(ops, VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings); SET_VALID_IOCTL(ops, VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings); + SET_VALID_IOCTL(ops, VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap); /* yes, really vidioc_subscribe_event */ SET_VALID_IOCTL(ops, VIDIOC_DQEVENT, vidioc_subscribe_event); SET_VALID_IOCTL(ops, VIDIOC_SUBSCRIBE_EVENT, vidioc_subscribe_event); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index e129c820df7d..92144ed1ad46 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -286,6 +286,7 @@ config TWL6040_CORE depends on I2C=y && GENERIC_HARDIRQS select MFD_CORE select REGMAP_I2C + select IRQ_DOMAIN default n help Say yes here if you want support for Texas Instruments TWL6040 audio diff --git a/drivers/mfd/ab5500-core.h b/drivers/mfd/ab5500-core.h deleted file mode 100644 index 63b30b17e4f3..000000000000 --- a/drivers/mfd/ab5500-core.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (C) 2011 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Shared definitions and data structures for the AB5500 MFD driver - */ - -/* Read/write operation values. */ -#define AB5500_PERM_RD (0x01) -#define AB5500_PERM_WR (0x02) - -/* Read/write permissions. */ -#define AB5500_PERM_RO (AB5500_PERM_RD) -#define AB5500_PERM_RW (AB5500_PERM_RD | AB5500_PERM_WR) - -#define AB5500_MASK_BASE (0x60) -#define AB5500_MASK_END (0x79) -#define AB5500_CHIP_ID (0x20) - -/** - * struct ab5500_reg_range - * @first: the first address of the range - * @last: the last address of the range - * @perm: access permissions for the range - */ -struct ab5500_reg_range { - u8 first; - u8 last; - u8 perm; -}; - -/** - * struct ab5500_i2c_ranges - * @count: the number of ranges in the list - * @range: the list of register ranges - */ -struct ab5500_i2c_ranges { - u8 nranges; - u8 bankid; - const struct ab5500_reg_range *range; -}; - -/** - * struct ab5500_i2c_banks - * @count: the number of ranges in the list - * @range: the list of register ranges - */ -struct ab5500_i2c_banks { - u8 nbanks; - const struct ab5500_i2c_ranges *bank; -}; - -/** - * struct ab5500_bank - * @slave_addr: I2C slave_addr found in AB5500 specification - * @name: Documentation name of the bank. For reference - */ -struct ab5500_bank { - u8 slave_addr; - const char *name; -}; - -static const struct ab5500_bank bankinfo[AB5500_NUM_BANKS] = { - [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = { - AB5500_ADDR_VIT_IO_I2C_CLK_TST_OTP, "VIT_IO_I2C_CLK_TST_OTP"}, - [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = { - AB5500_ADDR_VDDDIG_IO_I2C_CLK_TST, "VDDDIG_IO_I2C_CLK_TST"}, - [AB5500_BANK_VDENC] = {AB5500_ADDR_VDENC, "VDENC"}, - [AB5500_BANK_SIM_USBSIM] = {AB5500_ADDR_SIM_USBSIM, "SIM_USBSIM"}, - [AB5500_BANK_LED] = {AB5500_ADDR_LED, "LED"}, - [AB5500_BANK_ADC] = {AB5500_ADDR_ADC, "ADC"}, - [AB5500_BANK_RTC] = {AB5500_ADDR_RTC, "RTC"}, - [AB5500_BANK_STARTUP] = {AB5500_ADDR_STARTUP, "STARTUP"}, - [AB5500_BANK_DBI_ECI] = {AB5500_ADDR_DBI_ECI, "DBI-ECI"}, - [AB5500_BANK_CHG] = {AB5500_ADDR_CHG, "CHG"}, - [AB5500_BANK_FG_BATTCOM_ACC] = { - AB5500_ADDR_FG_BATTCOM_ACC, "FG_BATCOM_ACC"}, - [AB5500_BANK_USB] = {AB5500_ADDR_USB, "USB"}, - [AB5500_BANK_IT] = {AB5500_ADDR_IT, "IT"}, - [AB5500_BANK_VIBRA] = {AB5500_ADDR_VIBRA, "VIBRA"}, - [AB5500_BANK_AUDIO_HEADSETUSB] = { - AB5500_ADDR_AUDIO_HEADSETUSB, "AUDIO_HEADSETUSB"}, -}; - -int ab5500_get_register_interruptible_raw(struct ab5500 *ab, u8 bank, u8 reg, - u8 *value); -int ab5500_mask_and_set_register_interruptible_raw(struct ab5500 *ab, u8 bank, - u8 reg, u8 bitmask, u8 bitvalues); diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c index 3fcdab3eb8eb..03df422feb76 100644 --- a/drivers/mfd/mc13xxx-spi.c +++ b/drivers/mfd/mc13xxx-spi.c @@ -49,10 +49,72 @@ static struct regmap_config mc13xxx_regmap_spi_config = { .reg_bits = 7, .pad_bits = 1, .val_bits = 24, + .write_flag_mask = 0x80, .max_register = MC13XXX_NUMREGS, .cache_type = REGCACHE_NONE, + .use_single_rw = 1, +}; + +static int mc13xxx_spi_read(void *context, const void *reg, size_t reg_size, + void *val, size_t val_size) +{ + unsigned char w[4] = { *((unsigned char *) reg), 0, 0, 0}; + unsigned char r[4]; + unsigned char *p = val; + struct device *dev = context; + struct spi_device *spi = to_spi_device(dev); + struct spi_transfer t = { + .tx_buf = w, + .rx_buf = r, + .len = 4, + }; + + struct spi_message m; + int ret; + + if (val_size != 3 || reg_size != 1) + return -ENOTSUPP; + + spi_message_init(&m); + spi_message_add_tail(&t, &m); + ret = spi_sync(spi, &m); + + memcpy(p, &r[1], 3); + + return ret; +} + +static int mc13xxx_spi_write(void *context, const void *data, size_t count) +{ + struct device *dev = context; + struct spi_device *spi = to_spi_device(dev); + + if (count != 4) + return -ENOTSUPP; + + return spi_write(spi, data, count); +} + +/* + * We cannot use regmap-spi generic bus implementation here. + * The MC13783 chip will get corrupted if CS signal is deasserted + * and on i.Mx31 SoC (the target SoC for MC13783 PMIC) the SPI controller + * has the following errata (DSPhl22960): + * "The CSPI negates SS when the FIFO becomes empty with + * SSCTL= 0. Software cannot guarantee that the FIFO will not + * drain because of higher priority interrupts and the + * non-realtime characteristics of the operating system. As a + * result, the SS will negate before all of the data has been + * transferred to/from the peripheral." + * We workaround this by accessing the SPI controller with a + * single transfert. + */ + +static struct regmap_bus regmap_mc13xxx_bus = { + .write = mc13xxx_spi_write, + .read = mc13xxx_spi_read, }; static int mc13xxx_spi_probe(struct spi_device *spi) @@ -73,12 +135,13 @@ static int mc13xxx_spi_probe(struct spi_device *spi) dev_set_drvdata(&spi->dev, mc13xxx); spi->mode = SPI_MODE_0 | SPI_CS_HIGH; - spi->bits_per_word = 32; mc13xxx->dev = &spi->dev; mutex_init(&mc13xxx->lock); - mc13xxx->regmap = regmap_init_spi(spi, &mc13xxx_regmap_spi_config); + mc13xxx->regmap = regmap_init(&spi->dev, ®map_mc13xxx_bus, &spi->dev, + &mc13xxx_regmap_spi_config); + if (IS_ERR(mc13xxx->regmap)) { ret = PTR_ERR(mc13xxx->regmap); dev_err(mc13xxx->dev, "Failed to initialize register map: %d\n", diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 7e96bb229724..41088ecbb2a9 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -25,6 +25,7 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/spinlock.h> +#include <linux/gpio.h> #include <plat/cpu.h> #include <plat/usb.h> #include <linux/pm_runtime.h> @@ -500,8 +501,21 @@ static void omap_usbhs_init(struct device *dev) dev_dbg(dev, "starting TI HSUSB Controller\n"); pm_runtime_get_sync(dev); - spin_lock_irqsave(&omap->lock, flags); + if (pdata->ehci_data->phy_reset) { + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0])) + gpio_request_one(pdata->ehci_data->reset_gpio_port[0], + GPIOF_OUT_INIT_LOW, "USB1 PHY reset"); + + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) + gpio_request_one(pdata->ehci_data->reset_gpio_port[1], + GPIOF_OUT_INIT_LOW, "USB2 PHY reset"); + + /* Hold the PHY in RESET for enough time till DIR is high */ + udelay(10); + } + + spin_lock_irqsave(&omap->lock, flags); omap->usbhs_rev = usbhs_read(omap->uhh_base, OMAP_UHH_REVISION); dev_dbg(dev, "OMAP UHH_REVISION 0x%x\n", omap->usbhs_rev); @@ -581,9 +595,39 @@ static void omap_usbhs_init(struct device *dev) } spin_unlock_irqrestore(&omap->lock, flags); + + if (pdata->ehci_data->phy_reset) { + /* Hold the PHY in RESET for enough time till + * PHY is settled and ready + */ + udelay(10); + + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0])) + gpio_set_value_cansleep + (pdata->ehci_data->reset_gpio_port[0], 1); + + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) + gpio_set_value_cansleep + (pdata->ehci_data->reset_gpio_port[1], 1); + } + pm_runtime_put_sync(dev); } +static void omap_usbhs_deinit(struct device *dev) +{ + struct usbhs_hcd_omap *omap = dev_get_drvdata(dev); + struct usbhs_omap_platform_data *pdata = &omap->platdata; + + if (pdata->ehci_data->phy_reset) { + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0])) + gpio_free(pdata->ehci_data->reset_gpio_port[0]); + + if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) + gpio_free(pdata->ehci_data->reset_gpio_port[1]); + } +} + /** * usbhs_omap_probe - initialize TI-based HCDs @@ -767,6 +811,7 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) goto end_probe; err_alloc: + omap_usbhs_deinit(&pdev->dev); iounmap(omap->tll_base); err_tll: @@ -818,6 +863,7 @@ static int __devexit usbhs_omap_remove(struct platform_device *pdev) { struct usbhs_hcd_omap *omap = platform_get_drvdata(pdev); + omap_usbhs_deinit(&pdev->dev); iounmap(omap->tll_base); iounmap(omap->uhh_base); clk_put(omap->init_60m_fclk); diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index 00c0aba7eba0..c4a69f193a1d 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -356,7 +356,14 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c, } } - ret = regmap_add_irq_chip(palmas->regmap[1], palmas->irq, + /* Change IRQ into clear on read mode for efficiency */ + slave = PALMAS_BASE_TO_SLAVE(PALMAS_INTERRUPT_BASE); + addr = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, PALMAS_INT_CTRL); + reg = PALMAS_INT_CTRL_INT_CLEAR; + + regmap_write(palmas->regmap[slave], addr, reg); + + ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq, IRQF_ONESHOT | IRQF_TRIGGER_LOW, -1, &palmas_irq_chip, &palmas->irq_data); if (ret < 0) @@ -441,6 +448,9 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c, goto err; } + children[PALMAS_PMIC_ID].platform_data = pdata->pmic_pdata; + children[PALMAS_PMIC_ID].pdata_size = sizeof(*pdata->pmic_pdata); + ret = mfd_add_devices(palmas->dev, -1, children, ARRAY_SIZE(palmas_children), NULL, regmap_irq_chip_get_base(palmas->irq_data)); @@ -472,6 +482,7 @@ static const struct i2c_device_id palmas_i2c_id[] = { { "twl6035", }, { "twl6037", }, { "tps65913", }, + { /* end */ } }; MODULE_DEVICE_TABLE(i2c, palmas_i2c_id); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 7de13891e49e..783fcd7365bc 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -1147,7 +1147,7 @@ static int mei_pci_resume(struct device *device) err = request_threaded_irq(pdev->irq, NULL, mei_interrupt_thread_handler, - 0, mei_driver_name, dev); + IRQF_ONESHOT, mei_driver_name, dev); else err = request_threaded_irq(pdev->irq, mei_interrupt_quick_handler, diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 17bbacb1b4b1..87b251ab6ec5 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -452,9 +452,9 @@ xpc_handle_activate_mq_msg_uv(struct xpc_partition *part, if (msg->activate_gru_mq_desc_gpa != part_uv->activate_gru_mq_desc_gpa) { - spin_lock_irqsave(&part_uv->flags_lock, irq_flags); + spin_lock(&part_uv->flags_lock); part_uv->flags &= ~XPC_P_CACHED_ACTIVATE_GRU_MQ_DESC_UV; - spin_unlock_irqrestore(&part_uv->flags_lock, irq_flags); + spin_unlock(&part_uv->flags_lock); part_uv->activate_gru_mq_desc_gpa = msg->activate_gru_mq_desc_gpa; } diff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c index f13e38deceac..8f5dc08d6598 100644 --- a/drivers/mmc/core/cd-gpio.c +++ b/drivers/mmc/core/cd-gpio.c @@ -50,8 +50,8 @@ int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio) goto egpioreq; ret = request_threaded_irq(irq, NULL, mmc_cd_gpio_irqt, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - cd->label, host); + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | + IRQF_ONESHOT, cd->label, host); if (ret < 0) goto eirqreq; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 258b203397aa..4f4489aa6bae 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -717,10 +717,6 @@ static int mmc_select_powerclass(struct mmc_card *card, card->ext_csd.generic_cmd6_time); } - if (err) - pr_err("%s: power class selection for ext_csd_bus_width %d" - " failed\n", mmc_hostname(card->host), bus_width); - return err; } @@ -1104,7 +1100,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4; err = mmc_select_powerclass(card, ext_csd_bits, ext_csd); if (err) - goto err; + pr_warning("%s: power class selection to bus width %d" + " failed\n", mmc_hostname(card->host), + 1 << bus_width); } /* @@ -1136,7 +1134,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_powerclass(card, ext_csd_bits[idx][0], ext_csd); if (err) - goto err; + pr_warning("%s: power class selection to " + "bus width %d failed\n", + mmc_hostname(card->host), + 1 << bus_width); err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, @@ -1164,7 +1165,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_powerclass(card, ext_csd_bits[idx][1], ext_csd); if (err) - goto err; + pr_warning("%s: power class selection to " + "bus width %d ddr %d failed\n", + mmc_hostname(card->host), + 1 << bus_width, ddr); err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index a05b7b444d4f..a6cad5caba78 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -920,12 +920,12 @@ static int gpmi_ecc_read_page(struct mtd_info *mtd, struct nand_chip *chip, */ memset(chip->oob_poi, ~0, mtd->oobsize); chip->oob_poi[0] = ((uint8_t *) auxiliary_virt)[0]; - - read_page_swap_end(this, buf, mtd->writesize, - this->payload_virt, this->payload_phys, - nfc_geo->payload_size, - payload_virt, payload_phys); } + + read_page_swap_end(this, buf, mtd->writesize, + this->payload_virt, this->payload_phys, + nfc_geo->payload_size, + payload_virt, payload_phys); exit_nfc: return ret; } diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index c58e6a93f445..6acc790c2fbb 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -273,6 +273,26 @@ static struct nand_ecclayout nandv2_hw_eccoob_4k = { static const char *part_probes[] = { "RedBoot", "cmdlinepart", "ofpart", NULL }; +static void memcpy32_fromio(void *trg, const void __iomem *src, size_t size) +{ + int i; + u32 *t = trg; + const __iomem u32 *s = src; + + for (i = 0; i < (size >> 2); i++) + *t++ = __raw_readl(s++); +} + +static void memcpy32_toio(void __iomem *trg, const void *src, int size) +{ + int i; + u32 __iomem *t = trg; + const u32 *s = src; + + for (i = 0; i < (size >> 2); i++) + __raw_writel(*s++, t++); +} + static int check_int_v3(struct mxc_nand_host *host) { uint32_t tmp; @@ -519,7 +539,7 @@ static void send_read_id_v3(struct mxc_nand_host *host) wait_op_done(host, true); - memcpy_fromio(host->data_buf, host->main_area0, 16); + memcpy32_fromio(host->data_buf, host->main_area0, 16); } /* Request the NANDFC to perform a read of the NAND device ID. */ @@ -535,7 +555,7 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host) /* Wait for operation to complete */ wait_op_done(host, true); - memcpy_fromio(host->data_buf, host->main_area0, 16); + memcpy32_fromio(host->data_buf, host->main_area0, 16); if (this->options & NAND_BUSWIDTH_16) { /* compress the ID info */ @@ -797,16 +817,16 @@ static void copy_spare(struct mtd_info *mtd, bool bfrom) if (bfrom) { for (i = 0; i < n - 1; i++) - memcpy_fromio(d + i * j, s + i * t, j); + memcpy32_fromio(d + i * j, s + i * t, j); /* the last section */ - memcpy_fromio(d + i * j, s + i * t, mtd->oobsize - i * j); + memcpy32_fromio(d + i * j, s + i * t, mtd->oobsize - i * j); } else { for (i = 0; i < n - 1; i++) - memcpy_toio(&s[i * t], &d[i * j], j); + memcpy32_toio(&s[i * t], &d[i * j], j); /* the last section */ - memcpy_toio(&s[i * t], &d[i * j], mtd->oobsize - i * j); + memcpy32_toio(&s[i * t], &d[i * j], mtd->oobsize - i * j); } } @@ -1070,7 +1090,8 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, host->devtype_data->send_page(mtd, NFC_OUTPUT); - memcpy_fromio(host->data_buf, host->main_area0, mtd->writesize); + memcpy32_fromio(host->data_buf, host->main_area0, + mtd->writesize); copy_spare(mtd, true); break; @@ -1086,7 +1107,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command, break; case NAND_CMD_PAGEPROG: - memcpy_toio(host->main_area0, host->data_buf, mtd->writesize); + memcpy32_toio(host->main_area0, host->data_buf, mtd->writesize); copy_spare(mtd, false); host->devtype_data->send_page(mtd, NFC_INPUT); host->devtype_data->send_cmd(host, command, true); diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 6cc8fbfabb8e..cf0cd3146817 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -28,7 +28,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/vmalloc.h> -#include <asm/div64.h> +#include <linux/math64.h> #include <linux/slab.h> #include <linux/errno.h> #include <linux/string.h> @@ -546,12 +546,6 @@ static char *get_partition_name(int i) return kstrdup(buf, GFP_KERNEL); } -static uint64_t divide(uint64_t n, uint32_t d) -{ - do_div(n, d); - return n; -} - /* * Initialize the nandsim structure. * @@ -580,7 +574,7 @@ static int init_nandsim(struct mtd_info *mtd) ns->geom.oobsz = mtd->oobsize; ns->geom.secsz = mtd->erasesize; ns->geom.pgszoob = ns->geom.pgsz + ns->geom.oobsz; - ns->geom.pgnum = divide(ns->geom.totsz, ns->geom.pgsz); + ns->geom.pgnum = div_u64(ns->geom.totsz, ns->geom.pgsz); ns->geom.totszoob = ns->geom.totsz + (uint64_t)ns->geom.pgnum * ns->geom.oobsz; ns->geom.secshift = ffs(ns->geom.secsz) - 1; ns->geom.pgshift = chip->page_shift; @@ -921,7 +915,7 @@ static int setup_wear_reporting(struct mtd_info *mtd) if (!rptwear) return 0; - wear_eb_count = divide(mtd->size, mtd->erasesize); + wear_eb_count = div_u64(mtd->size, mtd->erasesize); mem = wear_eb_count * sizeof(unsigned long); if (mem / sizeof(unsigned long) != wear_eb_count) { NS_ERR("Too many erase blocks for wear reporting\n"); diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c index 3680aa251dea..2cf084eb9d52 100644 --- a/drivers/net/bonding/bond_debugfs.c +++ b/drivers/net/bonding/bond_debugfs.c @@ -6,7 +6,7 @@ #include "bonding.h" #include "bond_alb.h" -#ifdef CONFIG_DEBUG_FS +#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS) #include <linux/debugfs.h> #include <linux/seq_file.h> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b9c2ae62166d..2ee76993f052 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3227,6 +3227,12 @@ static int bond_master_netdev_event(unsigned long event, switch (event) { case NETDEV_CHANGENAME: return bond_event_changename(event_bond); + case NETDEV_UNREGISTER: + bond_remove_proc_entry(event_bond); + break; + case NETDEV_REGISTER: + bond_create_proc_entry(event_bond); + break; default: break; } @@ -4411,8 +4417,6 @@ static void bond_uninit(struct net_device *bond_dev) bond_work_cancel_all(bond); - bond_remove_proc_entry(bond); - bond_debug_unregister(bond); __hw_addr_flush(&bond->mc_list); @@ -4814,7 +4818,6 @@ static int bond_init(struct net_device *bond_dev) bond_set_lockdep_class(bond_dev); - bond_create_proc_entry(bond); list_add_tail(&bond->bond_list, &bn->dev_list); bond_prepare_sysfs_group(bond); diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 9cc15701101b..1f78b63d5efe 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -261,7 +261,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter) if ((phy_data & BMSR_LSTATUS) == 0) { /* link down */ netif_carrier_off(netdev); - netif_stop_queue(netdev); hw->hibernate = true; if (atl1c_reset_mac(hw) != 0) if (netif_msg_hw(adapter)) diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index 46b8b7d81633..d09c6b583d17 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -656,7 +656,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ, DMA_FROM_DEVICE); dev_kfree_skb_any(skb); - skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); + skb = alloc_skb(RX_PKT_BUF_SZ, GFP_ATOMIC | GFP_DMA); if (skb == NULL) return -ENOMEM; mapping = dma_map_single(bp->sdev->dma_dev, skb->data, @@ -967,7 +967,7 @@ static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev) dma_unmap_single(bp->sdev->dma_dev, mapping, len, DMA_TO_DEVICE); - bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA); + bounce_skb = alloc_skb(len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) goto err_out; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index ac7b74488531..1fa4927a45b1 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -5372,7 +5372,7 @@ bnx2_free_tx_skbs(struct bnx2 *bp) int k, last; if (skb == NULL) { - j++; + j = NEXT_TX_BD(j); continue; } @@ -5384,8 +5384,8 @@ bnx2_free_tx_skbs(struct bnx2 *bp) tx_buf->skb = NULL; last = tx_buf->nr_frags; - j++; - for (k = 0; k < last; k++, j++) { + j = NEXT_TX_BD(j); + for (k = 0; k < last; k++, j = NEXT_TX_BD(j)) { tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)]; dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index c95e7b5e2b85..2c89d17cbb29 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -534,7 +534,8 @@ int cnic_unregister_driver(int ulp_type) } if (atomic_read(&ulp_ops->ref_count) != 0) - netdev_warn(dev->netdev, "Failed waiting for ref count to go to zero\n"); + pr_warn("%s: Failed waiting for ref count to go to zero\n", + __func__); return 0; out_unlock: @@ -1053,12 +1054,13 @@ static int cnic_init_uio(struct cnic_dev *dev) uinfo = &udev->cnic_uinfo; - uinfo->mem[0].addr = dev->netdev->base_addr; + uinfo->mem[0].addr = pci_resource_start(dev->pcidev, 0); uinfo->mem[0].internal_addr = dev->regview; - uinfo->mem[0].size = dev->netdev->mem_end - dev->netdev->mem_start; uinfo->mem[0].memtype = UIO_MEM_PHYS; if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) { + uinfo->mem[0].size = MB_GET_CID_ADDR(TX_TSS_CID + + TX_MAX_TSS_RINGS + 1); uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen & PAGE_MASK; if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) @@ -1068,6 +1070,8 @@ static int cnic_init_uio(struct cnic_dev *dev) uinfo->name = "bnx2_cnic"; } else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) { + uinfo->mem[0].size = pci_resource_len(dev->pcidev, 0); + uinfo->mem[1].addr = (unsigned long) cp->bnx2x_def_status_blk & PAGE_MASK; uinfo->mem[1].size = sizeof(*cp->bnx2x_def_status_blk); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index f2db8fca46a1..ab1d80ff0791 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2063,10 +2063,9 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } - /* Steal sock reference for processing TX time stamps */ - swap(skb_new->sk, skb->sk); - swap(skb_new->destructor, skb->destructor); - kfree_skb(skb); + if (skb->sk) + skb_set_owner_w(skb_new, skb->sk); + consume_skb(skb); skb = skb_new; } diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 36db4df09aed..1f063dcd8f85 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -1572,6 +1572,9 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) ctrl = er32(CTRL); status = er32(STATUS); rxcw = er32(RXCW); + /* SYNCH bit and IV bit are sticky */ + udelay(10); + rxcw = er32(RXCW); if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) { diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 238ab2f8a5e7..e3a7b07df629 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -325,24 +325,46 @@ static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val) **/ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw) { - u16 phy_reg; - u32 phy_id; + u16 phy_reg = 0; + u32 phy_id = 0; + s32 ret_val; + u16 retry_count; + + for (retry_count = 0; retry_count < 2; retry_count++) { + ret_val = e1e_rphy_locked(hw, PHY_ID1, &phy_reg); + if (ret_val || (phy_reg == 0xFFFF)) + continue; + phy_id = (u32)(phy_reg << 16); - e1e_rphy_locked(hw, PHY_ID1, &phy_reg); - phy_id = (u32)(phy_reg << 16); - e1e_rphy_locked(hw, PHY_ID2, &phy_reg); - phy_id |= (u32)(phy_reg & PHY_REVISION_MASK); + ret_val = e1e_rphy_locked(hw, PHY_ID2, &phy_reg); + if (ret_val || (phy_reg == 0xFFFF)) { + phy_id = 0; + continue; + } + phy_id |= (u32)(phy_reg & PHY_REVISION_MASK); + break; + } if (hw->phy.id) { if (hw->phy.id == phy_id) return true; - } else { - if ((phy_id != 0) && (phy_id != PHY_REVISION_MASK)) - hw->phy.id = phy_id; + } else if (phy_id) { + hw->phy.id = phy_id; + hw->phy.revision = (u32)(phy_reg & ~PHY_REVISION_MASK); return true; } - return false; + /* + * In case the PHY needs to be in mdio slow mode, + * set slow mode and try to get the PHY id again. + */ + hw->phy.ops.release(hw); + ret_val = e1000_set_mdio_slow_mode_hv(hw); + if (!ret_val) + ret_val = e1000e_get_phy_id(hw); + hw->phy.ops.acquire(hw); + + return !ret_val; } /** diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 18ca3bcadf0c..e242104ab471 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6647,6 +6647,11 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) return -EINVAL; } + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { + e_err(drv, "Enable failed, SR-IOV enabled\n"); + return -EINVAL; + } + /* Hardware supports up to 8 traffic classes */ if (tc > adapter->dcb_cfg.num_tcs.pg_tcs || (hw->mac.type == ixgbe_mac_82598EB && diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index f69ec4288b10..41e32257a4e8 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -201,6 +201,9 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter, unsigned int i, eop, count = 0; unsigned int total_bytes = 0, total_packets = 0; + if (test_bit(__IXGBEVF_DOWN, &adapter->state)) + return true; + i = tx_ring->next_to_clean; eop = tx_ring->tx_buffer_info[i].next_to_watch; eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop); @@ -969,8 +972,6 @@ static irqreturn_t ixgbevf_msix_clean_tx(int irq, void *data) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { tx_ring = &(adapter->tx_ring[r_idx]); - tx_ring->total_bytes = 0; - tx_ring->total_packets = 0; ixgbevf_clean_tx_irq(adapter, tx_ring); r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, r_idx + 1); @@ -994,16 +995,6 @@ static irqreturn_t ixgbevf_msix_clean_rx(int irq, void *data) struct ixgbe_hw *hw = &adapter->hw; struct ixgbevf_ring *rx_ring; int r_idx; - int i; - - r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - for (i = 0; i < q_vector->rxr_count; i++) { - rx_ring = &(adapter->rx_ring[r_idx]); - rx_ring->total_bytes = 0; - rx_ring->total_packets = 0; - r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, - r_idx + 1); - } if (!q_vector->rxr_count) return IRQ_HANDLED; diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index fb8377da1687..4b785e10f2ed 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -51,7 +51,7 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum); - + wmb(); entry = (++priv->cur_tx) % txsize; desc = priv->dma_tx + entry; @@ -59,6 +59,7 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) len, DMA_TO_DEVICE); desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum); + wmb(); priv->hw->desc->set_tx_owner(desc); priv->tx_skbuff[entry] = NULL; } else { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 51b3b68528ee..ea3003edde18 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1212,6 +1212,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion); wmb(); priv->hw->desc->set_tx_owner(desc); + wmb(); } /* Interrupt on completition only for the latest segment */ @@ -1227,6 +1228,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* To avoid raise condition */ priv->hw->desc->set_tx_owner(first); + wmb(); priv->cur_tx++; @@ -1290,6 +1292,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv) } wmb(); priv->hw->desc->set_rx_owner(p + entry); + wmb(); } } diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 39ea0674dcde..5c120189ec86 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -46,7 +46,13 @@ static int mdio_mux_read(struct mii_bus *bus, int phy_id, int regnum) struct mdio_mux_parent_bus *pb = cb->parent; int r; - mutex_lock(&pb->mii_bus->mdio_lock); + /* In theory multiple mdio_mux could be stacked, thus creating + * more than a single level of nesting. But in practice, + * SINGLE_DEPTH_NESTING will cover the vast majority of use + * cases. We use it, instead of trying to handle the general + * case. + */ + mutex_lock_nested(&pb->mii_bus->mdio_lock, SINGLE_DEPTH_NESTING); r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); if (r) goto out; @@ -71,7 +77,7 @@ static int mdio_mux_write(struct mii_bus *bus, int phy_id, int r; - mutex_lock(&pb->mii_bus->mdio_lock); + mutex_lock_nested(&pb->mii_bus->mdio_lock, SINGLE_DEPTH_NESTING); r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); if (r) goto out; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index b01960fcfbc9..a051cedd64bd 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -346,6 +346,15 @@ static const struct driver_info qmi_wwan_force_int1 = { .data = BIT(1), /* interface whitelist bitmap */ }; +static const struct driver_info qmi_wwan_force_int2 = { + .description = "Qualcomm WWAN/QMI device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind_shared, + .unbind = qmi_wwan_unbind_shared, + .manage_power = qmi_wwan_manage_power, + .data = BIT(2), /* interface whitelist bitmap */ +}; + static const struct driver_info qmi_wwan_force_int3 = { .description = "Qualcomm WWAN/QMI device", .flags = FLAG_WWAN, @@ -498,6 +507,15 @@ static const struct usb_device_id products[] = { .bInterfaceProtocol = 0xff, .driver_info = (unsigned long)&qmi_wwan_force_int4, }, + { /* ZTE MF60 */ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x19d2, + .idProduct = 0x1402, + .bInterfaceClass = 0xff, + .bInterfaceSubClass = 0xff, + .bInterfaceProtocol = 0xff, + .driver_info = (unsigned long)&qmi_wwan_force_int2, + }, { /* Sierra Wireless MC77xx in QMI mode */ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, .idVendor = 0x1199, diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index f1f8bd09bd87..c8baf020c20f 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -1072,7 +1072,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); /* create a bounce buffer in zone_dma on mapping failure. */ if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { - bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); + bounce_skb = alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) { ring->current_slot = old_top_slot; ring->used_slots = old_used_slots; diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 509301a5e7e2..ff5d689e13f3 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -3405,7 +3405,7 @@ il4965_remove_dynamic_key(struct il_priv *il, return 0; } - if (il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) { + if (il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_INVALID) { IL_WARN("Removing wrong key %d 0x%x\n", keyconf->keyidx, key_flags); spin_unlock_irqrestore(&il->sta_lock, flags); @@ -3420,7 +3420,7 @@ il4965_remove_dynamic_key(struct il_priv *il, memset(&il->stations[sta_id].sta.key, 0, sizeof(struct il4965_keyinfo)); il->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID; - il->stations[sta_id].sta.key.key_offset = WEP_INVALID_OFFSET; + il->stations[sta_id].sta.key.key_offset = keyconf->hw_key_idx; il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index cbf2dc18341f..5d4807c2b56d 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -4767,14 +4767,12 @@ il_bg_watchdog(unsigned long data) return; /* monitor and check for other stuck queues */ - if (il_is_any_associated(il)) { - for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { - /* skip as we already checked the command queue */ - if (cnt == il->cmd_queue) - continue; - if (il_check_stuck_queue(il, cnt)) - return; - } + for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { + /* skip as we already checked the command queue */ + if (cnt == il->cmd_queue) + continue; + if (il_check_stuck_queue(il, cnt)) + return; } mod_timer(&il->watchdog, diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index ce61b6fae1c9..5c7fd185373c 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -958,6 +958,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, case NL80211_HIDDEN_SSID_ZERO_CONTENTS: /* firmware doesn't support this type of hidden SSID */ default: + kfree(bss_cfg); return -EINVAL; } diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index d357d1ed92f6..74ecc33fdd90 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -436,8 +436,8 @@ void rt2x00usb_kick_queue(struct data_queue *queue) case QID_RX: if (!rt2x00queue_full(queue)) rt2x00queue_for_each_entry(queue, - Q_INDEX_DONE, Q_INDEX, + Q_INDEX_DONE, NULL, rt2x00usb_kick_rx_entry); break; diff --git a/drivers/of/base.c b/drivers/of/base.c index eada3f4ef801..d9bfd49b1935 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -511,22 +511,6 @@ out: } EXPORT_SYMBOL(of_find_node_with_property); -static const struct of_device_id *of_match_compat(const struct of_device_id *matches, - const char *compat) -{ - while (matches->name[0] || matches->type[0] || matches->compatible[0]) { - const char *cp = matches->compatible; - int len = strlen(cp); - - if (len > 0 && of_compat_cmp(compat, cp, len) == 0) - return matches; - - matches++; - } - - return NULL; -} - /** * of_match_node - Tell if an device_node has a matching of_match structure * @matches: array of of device match structures to search in @@ -537,18 +521,9 @@ static const struct of_device_id *of_match_compat(const struct of_device_id *mat const struct of_device_id *of_match_node(const struct of_device_id *matches, const struct device_node *node) { - struct property *prop; - const char *cp; - if (!matches) return NULL; - of_property_for_each_string(node, "compatible", prop, cp) { - const struct of_device_id *match = of_match_compat(matches, cp); - if (match) - return match; - } - while (matches->name[0] || matches->type[0] || matches->compatible[0]) { int match = 1; if (matches->name[0]) @@ -557,7 +532,10 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches, if (matches->type[0]) match &= node->type && !strcmp(matches->type, node->type); - if (match && !matches->compatible[0]) + if (matches->compatible[0]) + match &= of_device_is_compatible(node, + matches->compatible); + if (match) return matches; matches++; } diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 3132ea068d95..e44f8c2d239d 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -317,10 +317,9 @@ static const struct of_dev_auxdata *of_dev_lookup(const struct of_dev_auxdata *l for(; lookup->compatible != NULL; lookup++) { if (!of_device_is_compatible(np, lookup->compatible)) continue; - if (of_address_to_resource(np, 0, &res)) - continue; - if (res.start != lookup->phys_addr) - continue; + if (!of_address_to_resource(np, 0, &res)) + if (res.start != lookup->phys_addr) + continue; pr_debug("%s: devname=%s\n", np->full_name, lookup->name); return lookup; } diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 2a581642c237..ba91a7e17519 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -162,7 +162,8 @@ int pci_user_read_config_##size \ if (ret > 0) \ ret = -EINVAL; \ return ret; \ -} +} \ +EXPORT_SYMBOL_GPL(pci_user_read_config_##size); /* Returns 0 on success, negative values indicate error. */ #define PCI_USER_WRITE_CONFIG(size,type) \ @@ -181,7 +182,8 @@ int pci_user_write_config_##size \ if (ret > 0) \ ret = -EINVAL; \ return ret; \ -} +} \ +EXPORT_SYMBOL_GPL(pci_user_write_config_##size); PCI_USER_READ_CONFIG(byte, u8) PCI_USER_READ_CONFIG(word, u16) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index bf0cee629b60..099f46cd8e87 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -748,6 +748,18 @@ static int pci_pm_suspend_noirq(struct device *dev) pci_pm_set_unknown_state(pci_dev); + /* + * Some BIOSes from ASUS have a bug: If a USB EHCI host controller's + * PCI COMMAND register isn't 0, the BIOS assumes that the controller + * hasn't been quiesced and tries to turn it off. If the controller + * is already in D3, this can hang or cause memory corruption. + * + * Since the value of the COMMAND register doesn't matter once the + * device has been suspended, we can safely set it to 0 here. + */ + if (pci_dev->class == PCI_CLASS_SERIAL_USB_EHCI) + pci_write_config_word(pci_dev, PCI_COMMAND, 0); + return 0; } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 77cb54a65cde..1ccf7d49f522 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1744,11 +1744,6 @@ int pci_prepare_to_sleep(struct pci_dev *dev) if (target_state == PCI_POWER_ERROR) return -EIO; - /* Some devices mustn't be in D3 during system sleep */ - if (target_state == PCI_D3hot && - (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP)) - return 0; - pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev)); error = pci_set_power_state(dev, target_state); @@ -2365,6 +2360,75 @@ void pci_enable_acs(struct pci_dev *dev) } /** + * pci_acs_enabled - test ACS against required flags for a given device + * @pdev: device to test + * @acs_flags: required PCI ACS flags + * + * Return true if the device supports the provided flags. Automatically + * filters out flags that are not implemented on multifunction devices. + */ +bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags) +{ + int pos, ret; + u16 ctrl; + + ret = pci_dev_specific_acs_enabled(pdev, acs_flags); + if (ret >= 0) + return ret > 0; + + if (!pci_is_pcie(pdev)) + return false; + + /* Filter out flags not applicable to multifunction */ + if (pdev->multifunction) + acs_flags &= (PCI_ACS_RR | PCI_ACS_CR | + PCI_ACS_EC | PCI_ACS_DT); + + if (pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM || + pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || + pdev->multifunction) { + pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ACS); + if (!pos) + return false; + + pci_read_config_word(pdev, pos + PCI_ACS_CTRL, &ctrl); + if ((ctrl & acs_flags) != acs_flags) + return false; + } + + return true; +} + +/** + * pci_acs_path_enable - test ACS flags from start to end in a hierarchy + * @start: starting downstream device + * @end: ending upstream device or NULL to search to the root bus + * @acs_flags: required flags + * + * Walk up a device tree from start to end testing PCI ACS support. If + * any step along the way does not support the required flags, return false. + */ +bool pci_acs_path_enabled(struct pci_dev *start, + struct pci_dev *end, u16 acs_flags) +{ + struct pci_dev *pdev, *parent = start; + + do { + pdev = parent; + + if (!pci_acs_enabled(pdev, acs_flags)) + return false; + + if (pci_is_root_bus(pdev->bus)) + return (end == NULL); + + parent = pdev->bus->self; + } while (pdev != end); + + return true; +} + +/** * pci_swizzle_interrupt_pin - swizzle INTx for device behind bridge * @dev: the PCI device * @pin: the INTx pin (1=INTA, 2=INTB, 3=INTD, 4=INTD) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index e4943479b234..f2dcc46bdece 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -86,13 +86,6 @@ static inline bool pci_is_bridge(struct pci_dev *pci_dev) return !!(pci_dev->subordinate); } -extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); -extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); -extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); -extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); -extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); -extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); - struct pci_vpd_ops { ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf); ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 194b243a2817..27e2c8f4ec73 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2929,32 +2929,6 @@ static void __devinit disable_igfx_irq(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq); -/* - * The Intel 6 Series/C200 Series chipset's EHCI controllers on many - * ASUS motherboards will cause memory corruption or a system crash - * if they are in D3 while the system is put into S3 sleep. - */ -static void __devinit asus_ehci_no_d3(struct pci_dev *dev) -{ - const char *sys_info; - static const char good_Asus_board[] = "P8Z68-V"; - - if (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP) - return; - if (dev->subsystem_vendor != PCI_VENDOR_ID_ASUSTEK) - return; - sys_info = dmi_get_system_info(DMI_BOARD_NAME); - if (sys_info && memcmp(sys_info, good_Asus_board, - sizeof(good_Asus_board) - 1) == 0) - return; - - dev_info(&dev->dev, "broken D3 during system sleep on ASUS\n"); - dev->dev_flags |= PCI_DEV_FLAGS_NO_D3_DURING_SLEEP; - device_set_wakeup_capable(&dev->dev, false); -} -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c26, asus_ehci_no_d3); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c2d, asus_ehci_no_d3); - static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end) { @@ -3205,3 +3179,87 @@ int pci_dev_specific_reset(struct pci_dev *dev, int probe) return -ENOTTY; } + +static struct pci_dev *pci_func_0_dma_source(struct pci_dev *dev) +{ + if (!PCI_FUNC(dev->devfn)) + return pci_dev_get(dev); + + return pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); +} + +static const struct pci_dev_dma_source { + u16 vendor; + u16 device; + struct pci_dev *(*dma_source)(struct pci_dev *dev); +} pci_dev_dma_source[] = { + /* + * https://bugzilla.redhat.com/show_bug.cgi?id=605888 + * + * Some Ricoh devices use the function 0 source ID for DMA on + * other functions of a multifunction device. The DMA devices + * is therefore function 0, which will have implications of the + * iommu grouping of these devices. + */ + { PCI_VENDOR_ID_RICOH, 0xe822, pci_func_0_dma_source }, + { PCI_VENDOR_ID_RICOH, 0xe230, pci_func_0_dma_source }, + { PCI_VENDOR_ID_RICOH, 0xe832, pci_func_0_dma_source }, + { PCI_VENDOR_ID_RICOH, 0xe476, pci_func_0_dma_source }, + { 0 } +}; + +/* + * IOMMUs with isolation capabilities need to be programmed with the + * correct source ID of a device. In most cases, the source ID matches + * the device doing the DMA, but sometimes hardware is broken and will + * tag the DMA as being sourced from a different device. This function + * allows that translation. Note that the reference count of the + * returned device is incremented on all paths. + */ +struct pci_dev *pci_get_dma_source(struct pci_dev *dev) +{ + const struct pci_dev_dma_source *i; + + for (i = pci_dev_dma_source; i->dma_source; i++) { + if ((i->vendor == dev->vendor || + i->vendor == (u16)PCI_ANY_ID) && + (i->device == dev->device || + i->device == (u16)PCI_ANY_ID)) + return i->dma_source(dev); + } + + return pci_dev_get(dev); +} + +static const struct pci_dev_acs_enabled { + u16 vendor; + u16 device; + int (*acs_enabled)(struct pci_dev *dev, u16 acs_flags); +} pci_dev_acs_enabled[] = { + { 0 } +}; + +int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) +{ + const struct pci_dev_acs_enabled *i; + int ret; + + /* + * Allow devices that do not expose standard PCIe ACS capabilities + * or control to indicate their support here. Multi-function express + * devices which do not allow internal peer-to-peer between functions, + * but do not implement PCIe ACS may wish to return true here. + */ + for (i = pci_dev_acs_enabled; i->acs_enabled; i++) { + if ((i->vendor == dev->vendor || + i->vendor == (u16)PCI_ANY_ID) && + (i->device == dev->device || + i->device == (u16)PCI_ANY_ID)) { + ret = i->acs_enabled(dev, acs_flags); + if (ret >= 0) + return ret; + } + } + + return -ENOTTY; +} diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c index dd6d93aa5334..90c837f469a6 100644 --- a/drivers/pinctrl/pinctrl-imx.c +++ b/drivers/pinctrl/pinctrl-imx.c @@ -474,7 +474,9 @@ static int __devinit imx_pinctrl_parse_groups(struct device_node *np, grp->configs[j] = config & ~IMX_PAD_SION; } +#ifdef DEBUG IMX_PMX_DUMP(info, grp->pins, grp->mux_mode, grp->configs, grp->npins); +#endif return 0; } diff --git a/drivers/pinctrl/pinctrl-imx6q.c b/drivers/pinctrl/pinctrl-imx6q.c index 7737d4d71a3c..e9bf71fbedca 100644 --- a/drivers/pinctrl/pinctrl-imx6q.c +++ b/drivers/pinctrl/pinctrl-imx6q.c @@ -1950,6 +1950,8 @@ static struct imx_pin_reg imx6q_pin_regs[] = { IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 5, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__GPIO_1_12 */ IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 6, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__SJC_DONE */ IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 7, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 */ + IMX_PIN_REG(MX6Q_PAD_ENET_RX_ER, 0x04EC, 0x01D8, 0, 0x0000, 0), /* MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID */ + IMX_PIN_REG(MX6Q_PAD_GPIO_1, 0x05F4, 0x0224, 3, 0x0000, 0), /* MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID */ }; /* Pad names for the pinmux subsystem */ diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 4f20f8dd3d7c..17f6dfd8dbfb 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -694,10 +694,10 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); static int __devinit ideapad_acpi_add(struct acpi_device *adevice) { int ret, i; - unsigned long cfg; + int cfg; struct ideapad_private *priv; - if (read_method_int(adevice->handle, "_CFG", (int *)&cfg)) + if (read_method_int(adevice->handle, "_CFG", &cfg)) return -ENODEV; priv = kzalloc(sizeof(*priv), GFP_KERNEL); @@ -721,7 +721,7 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice) goto input_failed; for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) { - if (test_bit(ideapad_rfk_data[i].cfgbit, &cfg)) + if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) ideapad_register_rfkill(adevice, i); else priv->rfk[i] = NULL; diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 0ffdb3cde2bb..9af4257d4901 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -72,6 +72,7 @@ #include <linux/string.h> #include <linux/tick.h> #include <linux/timer.h> +#include <linux/dmi.h> #include <drm/i915_drm.h> #include <asm/msr.h> #include <asm/processor.h> @@ -1485,6 +1486,24 @@ static DEFINE_PCI_DEVICE_TABLE(ips_id_table) = { MODULE_DEVICE_TABLE(pci, ips_id_table); +static int ips_blacklist_callback(const struct dmi_system_id *id) +{ + pr_info("Blacklisted intel_ips for %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id ips_blacklist[] = { + { + .callback = ips_blacklist_callback, + .ident = "HP ProBook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook"), + }, + }, + { } /* terminating entry */ +}; + static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id) { u64 platform_info; @@ -1494,6 +1513,9 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id) u16 htshi, trc, trc_required_mask; u8 tse; + if (dmi_check_system(ips_blacklist)) + return -ENODEV; + ips = kzalloc(sizeof(struct ips_driver), GFP_KERNEL); if (!ips) return -ENOMEM; diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 210d4ae547c2..d456ff0c73b7 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -973,7 +973,7 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { - unsigned long value = 0; + int value; int ret = 0; struct sony_nc_value *item = container_of(attr, struct sony_nc_value, devattr); @@ -984,7 +984,7 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, if (count > 31) return -EINVAL; - if (kstrtoul(buffer, 10, &value)) + if (kstrtoint(buffer, 10, &value)) return -EINVAL; if (item->validate) @@ -994,7 +994,7 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, return value; ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, - (int *)&value, NULL); + &value, NULL); if (ret < 0) return -EIO; @@ -1010,6 +1010,7 @@ static ssize_t sony_nc_sysfs_store(struct device *dev, struct sony_backlight_props { struct backlight_device *dev; int handle; + int cmd_base; u8 offset; u8 maxlvl; }; @@ -1037,7 +1038,7 @@ static int sony_nc_get_brightness_ng(struct backlight_device *bd) struct sony_backlight_props *sdev = (struct sony_backlight_props *)bl_get_data(bd); - sony_call_snc_handle(sdev->handle, 0x0200, &result); + sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); return (result & 0xff) - sdev->offset; } @@ -1049,7 +1050,8 @@ static int sony_nc_update_status_ng(struct backlight_device *bd) (struct sony_backlight_props *)bl_get_data(bd); value = bd->props.brightness + sdev->offset; - if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result)) + if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), + &result)) return -EIO; return value; @@ -1172,6 +1174,11 @@ static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) /* * ACPI callbacks */ +enum event_types { + HOTKEY = 1, + KILLSWITCH, + GFX_SWITCH +}; static void sony_nc_notify(struct acpi_device *device, u32 event) { u32 real_ev = event; @@ -1196,7 +1203,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) /* hotkey event */ case 0x0100: case 0x0127: - ev_type = 1; + ev_type = HOTKEY; real_ev = sony_nc_hotkeys_decode(event, handle); if (real_ev > 0) @@ -1216,7 +1223,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) * update the rfkill device status when the * switch is moved. */ - ev_type = 2; + ev_type = KILLSWITCH; sony_call_snc_handle(handle, 0x0100, &result); real_ev = result & 0x03; @@ -1226,6 +1233,24 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) break; + case 0x0128: + case 0x0146: + /* Hybrid GFX switching */ + sony_call_snc_handle(handle, 0x0000, &result); + dprintk("GFX switch event received (reason: %s)\n", + (result & 0x01) ? + "switch change" : "unknown"); + + /* verify the switch state + * 1: discrete GFX + * 0: integrated GFX + */ + sony_call_snc_handle(handle, 0x0100, &result); + + ev_type = GFX_SWITCH; + real_ev = result & 0xff; + break; + default: dprintk("Unknown event 0x%x for handle 0x%x\n", event, handle); @@ -1238,7 +1263,7 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) } else { /* old style event */ - ev_type = 1; + ev_type = HOTKEY; sony_laptop_report_input_event(real_ev); } @@ -1893,32 +1918,33 @@ static ssize_t sony_nc_battery_care_limit_store(struct device *dev, * bits 4,5: store the limit into the EC * bits 6,7: store the limit into the battery */ + cmd = 0; - /* - * handle 0x0115 should allow storing on battery too; - * handle 0x0136 same as 0x0115 + health status; - * handle 0x013f, same as 0x0136 but no storing on the battery - * - * Store only inside the EC for now, regardless the handle number - */ - if (value == 0) - /* disable limits */ - cmd = 0x0; + if (value > 0) { + if (value <= 50) + cmd = 0x20; - else if (value <= 50) - cmd = 0x21; + else if (value <= 80) + cmd = 0x10; - else if (value <= 80) - cmd = 0x11; + else if (value <= 100) + cmd = 0x30; - else if (value <= 100) - cmd = 0x31; + else + return -EINVAL; - else - return -EINVAL; + /* + * handle 0x0115 should allow storing on battery too; + * handle 0x0136 same as 0x0115 + health status; + * handle 0x013f, same as 0x0136 but no storing on the battery + */ + if (bcare_ctl->handle != 0x013f) + cmd = cmd | (cmd << 2); - if (sony_call_snc_handle(bcare_ctl->handle, (cmd << 0x10) | 0x0100, - &result)) + cmd = (cmd | 0x1) << 0x10; + } + + if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) return -EIO; return count; @@ -2113,7 +2139,7 @@ static ssize_t sony_nc_thermal_mode_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; - unsigned int mode = sony_nc_thermal_mode_get(); + int mode = sony_nc_thermal_mode_get(); if (mode < 0) return mode; @@ -2472,6 +2498,7 @@ static void sony_nc_backlight_ng_read_limits(int handle, { u64 offset; int i; + int lvl_table_len = 0; u8 min = 0xff, max = 0x00; unsigned char buffer[32] = { 0 }; @@ -2480,8 +2507,6 @@ static void sony_nc_backlight_ng_read_limits(int handle, props->maxlvl = 0xff; offset = sony_find_snc_handle(handle); - if (offset < 0) - return; /* try to read the boundaries from ACPI tables, if we fail the above * defaults should be reasonable @@ -2491,11 +2516,21 @@ static void sony_nc_backlight_ng_read_limits(int handle, if (i < 0) return; + switch (handle) { + case 0x012f: + case 0x0137: + lvl_table_len = 9; + break; + case 0x143: + lvl_table_len = 16; + break; + } + /* the buffer lists brightness levels available, brightness levels are * from position 0 to 8 in the array, other values are used by ALS * control. */ - for (i = 0; i < 9 && i < ARRAY_SIZE(buffer); i++) { + for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { dprintk("Brightness level: %d\n", buffer[i]); @@ -2520,16 +2555,24 @@ static void sony_nc_backlight_setup(void) const struct backlight_ops *ops = NULL; struct backlight_properties props; - if (sony_find_snc_handle(0x12f) != -1) { + if (sony_find_snc_handle(0x12f) >= 0) { ops = &sony_backlight_ng_ops; + sony_bl_props.cmd_base = 0x0100; sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; - } else if (sony_find_snc_handle(0x137) != -1) { + } else if (sony_find_snc_handle(0x137) >= 0) { ops = &sony_backlight_ng_ops; + sony_bl_props.cmd_base = 0x0100; sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; + } else if (sony_find_snc_handle(0x143) >= 0) { + ops = &sony_backlight_ng_ops; + sony_bl_props.cmd_base = 0x3000; + sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); + max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; + } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &unused))) { ops = &sony_backlight_ops; @@ -2597,6 +2640,12 @@ static int sony_nc_add(struct acpi_device *device) } } + result = sony_laptop_setup_input(device); + if (result) { + pr_err("Unable to create input devices\n"); + goto outplatform; + } + if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", &handle))) { int arg = 1; @@ -2614,12 +2663,6 @@ static int sony_nc_add(struct acpi_device *device) } /* setup input devices and helper fifo */ - result = sony_laptop_setup_input(device); - if (result) { - pr_err("Unable to create input devices\n"); - goto outsnc; - } - if (acpi_video_backlight_support()) { pr_info("brightness ignored, must be controlled by ACPI video driver\n"); } else { @@ -2667,22 +2710,21 @@ static int sony_nc_add(struct acpi_device *device) return 0; - out_sysfs: +out_sysfs: for (item = sony_nc_values; item->name; ++item) { device_remove_file(&sony_pf_device->dev, &item->devattr); } sony_nc_backlight_cleanup(); - - sony_laptop_remove_input(); - - outsnc: sony_nc_function_cleanup(sony_pf_device); sony_nc_handles_cleanup(sony_pf_device); - outpresent: +outplatform: + sony_laptop_remove_input(); + +outpresent: sony_pf_remove(); - outwalk: +outwalk: sony_nc_rfkill_cleanup(); return result; } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 09a737c868b5..8b4b3829d9e7 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2519,9 +2519,12 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) { struct regulator_dev *rdev = regulator->rdev; struct regulator *consumer; - int ret, output_uV, input_uV, total_uA_load = 0; + int ret, output_uV, input_uV = 0, total_uA_load = 0; unsigned int mode; + if (rdev->supply) + input_uV = regulator_get_voltage(rdev->supply); + mutex_lock(&rdev->mutex); /* @@ -2554,10 +2557,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) goto out; } - /* get input voltage */ - input_uV = 0; - if (rdev->supply) - input_uV = regulator_get_voltage(rdev->supply); + /* No supply? Use constraint voltage */ if (input_uV <= 0) input_uV = rdev->constraints->input_uV; if (input_uV <= 0) { diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index 24d880e78ec6..f8d818abf98c 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -4,9 +4,11 @@ menu "Remoteproc drivers (EXPERIMENTAL)" config REMOTEPROC tristate depends on EXPERIMENTAL + select FW_CONFIG config OMAP_REMOTEPROC tristate "OMAP remoteproc support" + depends on EXPERIMENTAL depends on ARCH_OMAP4 depends on OMAP_IOMMU select REMOTEPROC diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index 75506ec2840e..f56c8ba3a861 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -188,6 +188,26 @@ static int rpmsg_uevent(struct device *dev, struct kobj_uevent_env *env) rpdev->id.name); } +/** + * __ept_release() - deallocate an rpmsg endpoint + * @kref: the ept's reference count + * + * This function deallocates an ept, and is invoked when its @kref refcount + * drops to zero. + * + * Never invoke this function directly! + */ +static void __ept_release(struct kref *kref) +{ + struct rpmsg_endpoint *ept = container_of(kref, struct rpmsg_endpoint, + refcount); + /* + * At this point no one holds a reference to ept anymore, + * so we can directly free it + */ + kfree(ept); +} + /* for more info, see below documentation of rpmsg_create_ept() */ static struct rpmsg_endpoint *__rpmsg_create_ept(struct virtproc_info *vrp, struct rpmsg_channel *rpdev, rpmsg_rx_cb_t cb, @@ -206,6 +226,9 @@ static struct rpmsg_endpoint *__rpmsg_create_ept(struct virtproc_info *vrp, return NULL; } + kref_init(&ept->refcount); + mutex_init(&ept->cb_lock); + ept->rpdev = rpdev; ept->cb = cb; ept->priv = priv; @@ -238,7 +261,7 @@ rem_idr: idr_remove(&vrp->endpoints, request); free_ept: mutex_unlock(&vrp->endpoints_lock); - kfree(ept); + kref_put(&ept->refcount, __ept_release); return NULL; } @@ -302,11 +325,17 @@ EXPORT_SYMBOL(rpmsg_create_ept); static void __rpmsg_destroy_ept(struct virtproc_info *vrp, struct rpmsg_endpoint *ept) { + /* make sure new inbound messages can't find this ept anymore */ mutex_lock(&vrp->endpoints_lock); idr_remove(&vrp->endpoints, ept->addr); mutex_unlock(&vrp->endpoints_lock); - kfree(ept); + /* make sure in-flight inbound messages won't invoke cb anymore */ + mutex_lock(&ept->cb_lock); + ept->cb = NULL; + mutex_unlock(&ept->cb_lock); + + kref_put(&ept->refcount, __ept_release); } /** @@ -790,12 +819,28 @@ static void rpmsg_recv_done(struct virtqueue *rvq) /* use the dst addr to fetch the callback of the appropriate user */ mutex_lock(&vrp->endpoints_lock); + ept = idr_find(&vrp->endpoints, msg->dst); + + /* let's make sure no one deallocates ept while we use it */ + if (ept) + kref_get(&ept->refcount); + mutex_unlock(&vrp->endpoints_lock); - if (ept && ept->cb) - ept->cb(ept->rpdev, msg->data, msg->len, ept->priv, msg->src); - else + if (ept) { + /* make sure ept->cb doesn't go away while we use it */ + mutex_lock(&ept->cb_lock); + + if (ept->cb) + ept->cb(ept->rpdev, msg->data, msg->len, ept->priv, + msg->src); + + mutex_unlock(&ept->cb_lock); + + /* farewell, ept, we don't need you anymore */ + kref_put(&ept->refcount, __ept_release); + } else dev_warn(dev, "msg received with no recepient\n"); /* publish the real size of the buffer */ @@ -1040,7 +1085,7 @@ static int __init rpmsg_init(void) return ret; } -module_init(rpmsg_init); +subsys_initcall(rpmsg_init); static void __exit rpmsg_fini(void) { diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c index 4bcf9ca2818a..370889d0489b 100644 --- a/drivers/rtc/rtc-ab8500.c +++ b/drivers/rtc/rtc-ab8500.c @@ -17,6 +17,7 @@ #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/delay.h> +#include <linux/of.h> #define AB8500_RTC_SOFF_STAT_REG 0x00 #define AB8500_RTC_CC_CONF_REG 0x01 @@ -422,7 +423,7 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) } err = request_threaded_irq(irq, NULL, rtc_alarm_handler, - IRQF_NO_SUSPEND, "ab8500-rtc", rtc); + IRQF_NO_SUSPEND | IRQF_ONESHOT, "ab8500-rtc", rtc); if (err < 0) { rtc_device_unregister(rtc); return err; @@ -430,7 +431,6 @@ static int __devinit ab8500_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); - err = ab8500_sysfs_rtc_register(&pdev->dev); if (err) { dev_err(&pdev->dev, "sysfs RTC failed to register\n"); @@ -454,10 +454,16 @@ static int __devexit ab8500_rtc_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id ab8500_rtc_match[] = { + { .compatible = "stericsson,ab8500-rtc", }, + {} +}; + static struct platform_driver ab8500_rtc_driver = { .driver = { .name = "ab8500-rtc", .owner = THIS_MODULE, + .of_match_table = ab8500_rtc_match, }, .probe = ab8500_rtc_probe, .remove = __devexit_p(ab8500_rtc_remove), diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index 5e1d64ee5228..e3e50d69baf8 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -202,10 +202,11 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) struct platform_device *pdev = dev_id; struct rtc_plat_data *pdata = platform_get_drvdata(pdev); void __iomem *ioaddr = pdata->ioaddr; + unsigned long flags; u32 status; u32 events = 0; - spin_lock_irq(&pdata->rtc->irq_lock); + spin_lock_irqsave(&pdata->rtc->irq_lock, flags); status = readw(ioaddr + RTC_RTCISR) & readw(ioaddr + RTC_RTCIENR); /* clear interrupt sources */ writew(status, ioaddr + RTC_RTCISR); @@ -224,7 +225,7 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id) events |= (RTC_PF | RTC_IRQF); rtc_update_irq(pdata->rtc, 1, events); - spin_unlock_irq(&pdata->rtc->irq_lock); + spin_unlock_irqrestore(&pdata->rtc->irq_lock, flags); return IRQ_HANDLED; } diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 1f76320e545b..e2785479113c 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -458,12 +458,12 @@ static int __devexit spear_rtc_remove(struct platform_device *pdev) clk_disable(config->clk); clk_put(config->clk); iounmap(config->ioaddr); - kfree(config); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) release_mem_region(res->start, resource_size(res)); platform_set_drvdata(pdev, NULL); rtc_device_unregister(config->rtc); + kfree(config); return 0; } diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 258abeabf624..c5d06fe83bba 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -510,7 +510,7 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev) } ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt, - IRQF_TRIGGER_RISING, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, dev_name(&rtc->dev), rtc); if (ret < 0) { dev_err(&pdev->dev, "IRQ is not free.\n"); diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index 532d212b6b2c..393e7ce8e95a 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -201,7 +201,7 @@ static void asd_get_response_tasklet(struct asd_ascb *ascb, if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) { resp->frame_len = le16_to_cpu(*(__le16 *)(r+6)); - memcpy(&resp->ending_fis[0], r+16, 24); + memcpy(&resp->ending_fis[0], r+16, ATA_RESP_FIS_SIZE); ts->buf_valid_size = sizeof(*resp); } } diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 0c53c28dc3d3..7e77cf620291 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -350,6 +350,7 @@ struct bnx2i_hba { struct pci_dev *pcidev; struct net_device *netdev; void __iomem *regview; + resource_size_t reg_base; u32 age; unsigned long cnic_dev_type; diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index ece47e502282..86a12b48e477 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -2724,7 +2724,6 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep) goto arm_cq; } - reg_base = ep->hba->netdev->base_addr; if ((test_bit(BNX2I_NX2_DEV_5709, &ep->hba->cnic_dev_type)) && (ep->hba->mail_queue_access == BNX2I_MQ_BIN_MODE)) { config2 = REG_RD(ep->hba, BNX2_MQ_CONFIG2); @@ -2740,7 +2739,7 @@ int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep) /* 5709 device in normal node and 5706/5708 devices */ reg_off = CTX_OFFSET + (MB_KERNEL_CTX_SIZE * cid_num); - ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, + ep->qp.ctx_base = ioremap_nocache(ep->hba->reg_base + reg_off, MB_KERNEL_CTX_SIZE); if (!ep->qp.ctx_base) return -ENOMEM; diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index f8d516b53161..621538b8b544 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -811,13 +811,13 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) bnx2i_identify_device(hba); bnx2i_setup_host_queue_size(hba, shost); + hba->reg_base = pci_resource_start(hba->pcidev, 0); if (test_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type)) { - hba->regview = ioremap_nocache(hba->netdev->base_addr, - BNX2_MQ_CONFIG2); + hba->regview = pci_iomap(hba->pcidev, 0, BNX2_MQ_CONFIG2); if (!hba->regview) goto ioreg_map_err; } else if (test_bit(BNX2I_NX2_DEV_57710, &hba->cnic_dev_type)) { - hba->regview = ioremap_nocache(hba->netdev->base_addr, 4096); + hba->regview = pci_iomap(hba->pcidev, 0, 4096); if (!hba->regview) goto ioreg_map_err; } @@ -884,7 +884,7 @@ cid_que_err: bnx2i_free_mp_bdt(hba); mp_bdt_mem_err: if (hba->regview) { - iounmap(hba->regview); + pci_iounmap(hba->pcidev, hba->regview); hba->regview = NULL; } ioreg_map_err: @@ -910,7 +910,7 @@ void bnx2i_free_hba(struct bnx2i_hba *hba) pci_dev_put(hba->pcidev); if (hba->regview) { - iounmap(hba->regview); + pci_iounmap(hba->pcidev, hba->regview); hba->regview = NULL; } bnx2i_free_mp_bdt(hba); diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 441d88ad99a7..d109cc3a17b6 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -139,12 +139,12 @@ static void sas_ata_task_done(struct sas_task *task) if (stat->stat == SAS_PROTO_RESPONSE || stat->stat == SAM_STAT_GOOD || ((stat->stat == SAM_STAT_CHECK_CONDITION && dev->sata_dev.command_set == ATAPI_COMMAND_SET))) { - ata_tf_from_fis(resp->ending_fis, &dev->sata_dev.tf); + memcpy(dev->sata_dev.fis, resp->ending_fis, ATA_RESP_FIS_SIZE); if (!link->sactive) { - qc->err_mask |= ac_err_mask(dev->sata_dev.tf.command); + qc->err_mask |= ac_err_mask(dev->sata_dev.fis[2]); } else { - link->eh_info.err_mask |= ac_err_mask(dev->sata_dev.tf.command); + link->eh_info.err_mask |= ac_err_mask(dev->sata_dev.fis[2]); if (unlikely(link->eh_info.err_mask)) qc->flags |= ATA_QCFLAG_FAILED; } @@ -161,8 +161,8 @@ static void sas_ata_task_done(struct sas_task *task) qc->flags |= ATA_QCFLAG_FAILED; } - dev->sata_dev.tf.feature = 0x04; /* status err */ - dev->sata_dev.tf.command = ATA_ERR; + dev->sata_dev.fis[3] = 0x04; /* status err */ + dev->sata_dev.fis[2] = ATA_ERR; } } @@ -269,7 +269,7 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) { struct domain_device *dev = qc->ap->private_data; - memcpy(&qc->result_tf, &dev->sata_dev.tf, sizeof(qc->result_tf)); + ata_tf_from_fis(dev->sata_dev.fis, &qc->result_tf); return true; } diff --git a/drivers/scsi/scsi_wait_scan.c b/drivers/scsi/scsi_wait_scan.c index ae7814874618..072734538876 100644 --- a/drivers/scsi/scsi_wait_scan.c +++ b/drivers/scsi/scsi_wait_scan.c @@ -22,11 +22,6 @@ static int __init wait_scan_init(void) * and might not yet have reached the scsi async scanning */ wait_for_device_probe(); - /* - * and then we wait for the actual asynchronous scsi scan - * to finish. - */ - scsi_complete_async_scans(); return 0; } diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 9888693a18fe..664f6e775d0e 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -1095,7 +1095,7 @@ int target_emulate_write_same(struct se_cmd *cmd) if (num_blocks != 0) range = num_blocks; else - range = (dev->transport->get_blocks(dev) - lba); + range = (dev->transport->get_blocks(dev) - lba) + 1; pr_debug("WRITE_SAME UNMAP: LBA: %llu Range: %llu\n", (unsigned long long)lba, (unsigned long long)range); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 85564998500a..a1bcd927a9e6 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -2031,7 +2031,7 @@ static int __core_scsi3_write_aptpl_to_file( if (IS_ERR(file) || !file || !file->f_dentry) { pr_err("filp_open(%s) for APTPL metadata" " failed\n", path); - return (PTR_ERR(file) < 0 ? PTR_ERR(file) : -ENOENT); + return IS_ERR(file) ? PTR_ERR(file) : -ENOENT; } iov[0].iov_base = &buf[0]; @@ -3818,7 +3818,7 @@ int target_scsi3_emulate_pr_out(struct se_cmd *cmd) " SPC-2 reservation is held, returning" " RESERVATION_CONFLICT\n"); cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT; - ret = EINVAL; + ret = -EINVAL; goto out; } @@ -3828,7 +3828,8 @@ int target_scsi3_emulate_pr_out(struct se_cmd *cmd) */ if (!cmd->se_sess) { cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - return -EINVAL; + ret = -EINVAL; + goto out; } if (cmd->data_length < 24) { diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index f03fb9730f5b..5b65f33939a8 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -230,6 +230,8 @@ u32 ft_get_task_tag(struct se_cmd *se_cmd) { struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd); + if (cmd->aborted) + return ~0; return fc_seq_exch(cmd->seq)->rxid; } diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c index ced26c8ccd57..0d2ea0c224c3 100644 --- a/drivers/tty/hvc/hvc_opal.c +++ b/drivers/tty/hvc/hvc_opal.c @@ -401,7 +401,7 @@ out: } #ifdef CONFIG_PPC_EARLY_DEBUG_OPAL_RAW -void __init udbg_init_debug_opal(void) +void __init udbg_init_debug_opal_raw(void) { u32 index = CONFIG_PPC_EARLY_DEBUG_OPAL_VTERMNO; hvc_opal_privs[index] = &hvc_opal_boot_priv; diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 8fd398dffced..ee469274a3fe 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -500,6 +500,8 @@ retry: goto retry; } if (!desc->reslength) { /* zero length read */ + dev_dbg(&desc->intf->dev, "%s: zero length - clearing WDM_READ\n", __func__); + clear_bit(WDM_READ, &desc->flags); spin_unlock_irq(&desc->iuspin); goto retry; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 25a7422ee657..8fb484984c86 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2324,12 +2324,16 @@ static unsigned hub_is_wusb(struct usb_hub *hub) static int hub_port_reset(struct usb_hub *hub, int port1, struct usb_device *udev, unsigned int delay, bool warm); -/* Is a USB 3.0 port in the Inactive state? */ -static bool hub_port_inactive(struct usb_hub *hub, u16 portstatus) +/* Is a USB 3.0 port in the Inactive or Complinance Mode state? + * Port worm reset is required to recover + */ +static bool hub_port_warm_reset_required(struct usb_hub *hub, u16 portstatus) { return hub_is_superspeed(hub->hdev) && - (portstatus & USB_PORT_STAT_LINK_STATE) == - USB_SS_PORT_LS_SS_INACTIVE; + (((portstatus & USB_PORT_STAT_LINK_STATE) == + USB_SS_PORT_LS_SS_INACTIVE) || + ((portstatus & USB_PORT_STAT_LINK_STATE) == + USB_SS_PORT_LS_COMP_MOD)) ; } static int hub_port_wait_reset(struct usb_hub *hub, int port1, @@ -2365,7 +2369,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, * * See https://bugzilla.kernel.org/show_bug.cgi?id=41752 */ - if (hub_port_inactive(hub, portstatus)) { + if (hub_port_warm_reset_required(hub, portstatus)) { int ret; if ((portchange & USB_PORT_STAT_C_CONNECTION)) @@ -4408,9 +4412,7 @@ static void hub_events(void) /* Warm reset a USB3 protocol port if it's in * SS.Inactive state. */ - if (hub_is_superspeed(hub->hdev) && - (portstatus & USB_PORT_STAT_LINK_STATE) - == USB_SS_PORT_LS_SS_INACTIVE) { + if (hub_port_warm_reset_required(hub, portstatus)) { dev_dbg(hub_dev, "warm reset port %d\n", i); hub_port_reset(hub, i, NULL, HUB_BH_RESET_TIME, true); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 17cfb8a1131c..c30435499a02 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -281,14 +281,13 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) } } + /* Hold PHYs in reset while initializing EHCI controller */ if (pdata->phy_reset) { if (gpio_is_valid(pdata->reset_gpio_port[0])) - gpio_request_one(pdata->reset_gpio_port[0], - GPIOF_OUT_INIT_LOW, "USB1 PHY reset"); + gpio_set_value_cansleep(pdata->reset_gpio_port[0], 0); if (gpio_is_valid(pdata->reset_gpio_port[1])) - gpio_request_one(pdata->reset_gpio_port[1], - GPIOF_OUT_INIT_LOW, "USB2 PHY reset"); + gpio_set_value_cansleep(pdata->reset_gpio_port[1], 0); /* Hold the PHY in RESET for enough time till DIR is high */ udelay(10); @@ -330,6 +329,11 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) omap_ehci->hcs_params = readl(&omap_ehci->caps->hcs_params); ehci_reset(omap_ehci); + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (ret) { + dev_err(dev, "failed to add hcd with err %d\n", ret); + goto err_add_hcd; + } if (pdata->phy_reset) { /* Hold the PHY in RESET for enough time till @@ -344,12 +348,6 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) gpio_set_value_cansleep(pdata->reset_gpio_port[1], 1); } - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) { - dev_err(dev, "failed to add hcd with err %d\n", ret); - goto err_add_hcd; - } - /* root ports should always stay powered */ ehci_port_power(omap_ehci, 1); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 2732ef660c5c..7b01094d7993 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -462,6 +462,42 @@ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, } } +/* Updates Link Status for super Speed port */ +static void xhci_hub_report_link_state(u32 *status, u32 status_reg) +{ + u32 pls = status_reg & PORT_PLS_MASK; + + /* resume state is a xHCI internal state. + * Do not report it to usb core. + */ + if (pls == XDEV_RESUME) + return; + + /* When the CAS bit is set then warm reset + * should be performed on port + */ + if (status_reg & PORT_CAS) { + /* The CAS bit can be set while the port is + * in any link state. + * Only roothubs have CAS bit, so we + * pretend to be in compliance mode + * unless we're already in compliance + * or the inactive state. + */ + if (pls != USB_SS_PORT_LS_COMP_MOD && + pls != USB_SS_PORT_LS_SS_INACTIVE) { + pls = USB_SS_PORT_LS_COMP_MOD; + } + /* Return also connection bit - + * hub state machine resets port + * when this bit is set. + */ + pls |= USB_PORT_STAT_CONNECTION; + } + /* update status field */ + *status |= pls; +} + int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength) { @@ -606,13 +642,9 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, else status |= USB_PORT_STAT_POWER; } - /* Port Link State */ + /* Update Port Link State for super speed ports*/ if (hcd->speed == HCD_USB3) { - /* resume state is a xHCI internal state. - * Do not report it to usb core. - */ - if ((temp & PORT_PLS_MASK) != XDEV_RESUME) - status |= (temp & PORT_PLS_MASK); + xhci_hub_report_link_state(&status, temp); } if (bus_state->port_c_suspend & (1 << wIndex)) status |= 1 << USB_PORT_FEAT_C_SUSPEND; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 23b4aefd1036..8275645889da 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -885,6 +885,17 @@ static void update_ring_for_set_deq_completion(struct xhci_hcd *xhci, num_trbs_free_temp = ep_ring->num_trbs_free; dequeue_temp = ep_ring->dequeue; + /* If we get two back-to-back stalls, and the first stalled transfer + * ends just before a link TRB, the dequeue pointer will be left on + * the link TRB by the code in the while loop. So we have to update + * the dequeue pointer one segment further, or we'll jump off + * the segment into la-la-land. + */ + if (last_trb(xhci, ep_ring, ep_ring->deq_seg, ep_ring->dequeue)) { + ep_ring->deq_seg = ep_ring->deq_seg->next; + ep_ring->dequeue = ep_ring->deq_seg->trbs; + } + while (ep_ring->dequeue != dev->eps[ep_index].queued_deq_ptr) { /* We have more usable TRBs */ ep_ring->num_trbs_free++; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index de3d6e3e57be..55c0785810c9 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -341,7 +341,11 @@ struct xhci_op_regs { #define PORT_PLC (1 << 22) /* port configure error change - port failed to configure its link partner */ #define PORT_CEC (1 << 23) -/* bit 24 reserved */ +/* Cold Attach Status - xHC can set this bit to report device attached during + * Sx state. Warm port reset should be perfomed to clear this bit and move port + * to connected state. + */ +#define PORT_CAS (1 << 24) /* wake on connect (enable) */ #define PORT_WKCONN_E (1 << 25) /* wake on disconnect (enable) */ diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 81423f7361db..d47eb06fe463 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -222,14 +222,6 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) metro_priv->throttled = 0; spin_unlock_irqrestore(&metro_priv->lock, flags); - /* - * Force low_latency on so that our tty_push actually forces the data - * through, otherwise it is scheduled, and with high data rates (like - * with OHCI) data can get lost. - */ - if (tty) - tty->low_latency = 1; - /* Clear the urb pipe. */ usb_clear_halt(serial->dev, port->interrupt_in_urb->pipe); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index adf8ce72be50..417ab1b0aa30 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -497,6 +497,15 @@ static void option_instat_callback(struct urb *urb); /* MediaTek products */ #define MEDIATEK_VENDOR_ID 0x0e8d +#define MEDIATEK_PRODUCT_DC_1COM 0x00a0 +#define MEDIATEK_PRODUCT_DC_4COM 0x00a5 +#define MEDIATEK_PRODUCT_DC_5COM 0x00a4 +#define MEDIATEK_PRODUCT_7208_1COM 0x7101 +#define MEDIATEK_PRODUCT_7208_2COM 0x7102 +#define MEDIATEK_PRODUCT_FP_1COM 0x0003 +#define MEDIATEK_PRODUCT_FP_2COM 0x0023 +#define MEDIATEK_PRODUCT_FPDC_1COM 0x0043 +#define MEDIATEK_PRODUCT_FPDC_2COM 0x0033 /* Cellient products */ #define CELLIENT_VENDOR_ID 0x2692 @@ -554,6 +563,10 @@ static const struct option_blacklist_info net_intf1_blacklist = { .reserved = BIT(1), }; +static const struct option_blacklist_info net_intf2_blacklist = { + .reserved = BIT(2), +}; + static const struct option_blacklist_info net_intf3_blacklist = { .reserved = BIT(3), }; @@ -1099,6 +1112,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) }, @@ -1240,6 +1255,17 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x02, 0x01) }, /* MediaTek MT6276M modem & app port */ + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_1COM, 0x0a, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_5COM, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_5COM, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7208_1COM, 0x02, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7208_2COM, 0x02, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_1COM, 0x0a, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, { } /* Terminating entry */ }; diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c index 5066eee10ccf..58bd9c27369d 100644 --- a/drivers/video/omap2/dss/core.c +++ b/drivers/video/omap2/dss/core.c @@ -32,6 +32,7 @@ #include <linux/io.h> #include <linux/device.h> #include <linux/regulator/consumer.h> +#include <linux/suspend.h> #include <video/omapdss.h> @@ -201,6 +202,28 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *)) #endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */ /* PLATFORM DEVICE */ +static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d) +{ + DSSDBG("pm notif %lu\n", v); + + switch (v) { + case PM_SUSPEND_PREPARE: + DSSDBG("suspending displays\n"); + return dss_suspend_all_devices(); + + case PM_POST_SUSPEND: + DSSDBG("resuming displays\n"); + return dss_resume_all_devices(); + + default: + return 0; + } +} + +static struct notifier_block omap_dss_pm_notif_block = { + .notifier_call = omap_dss_pm_notif, +}; + static int __init omap_dss_probe(struct platform_device *pdev) { struct omap_dss_board_info *pdata = pdev->dev.platform_data; @@ -224,6 +247,8 @@ static int __init omap_dss_probe(struct platform_device *pdev) else if (pdata->default_device) core.default_display_name = pdata->default_device->name; + register_pm_notifier(&omap_dss_pm_notif_block); + return 0; err_debugfs: @@ -233,6 +258,8 @@ err_debugfs: static int omap_dss_remove(struct platform_device *pdev) { + unregister_pm_notifier(&omap_dss_pm_notif_block); + dss_uninitialize_debugfs(); dss_uninit_overlays(pdev); @@ -247,25 +274,9 @@ static void omap_dss_shutdown(struct platform_device *pdev) dss_disable_all_devices(); } -static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state) -{ - DSSDBG("suspend %d\n", state.event); - - return dss_suspend_all_devices(); -} - -static int omap_dss_resume(struct platform_device *pdev) -{ - DSSDBG("resume\n"); - - return dss_resume_all_devices(); -} - static struct platform_driver omap_dss_driver = { .remove = omap_dss_remove, .shutdown = omap_dss_shutdown, - .suspend = omap_dss_suspend, - .resume = omap_dss_resume, .driver = { .name = "omapdss", .owner = THIS_MODULE, diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 4749ac356469..397d4eee11bb 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -384,7 +384,7 @@ void dispc_runtime_put(void) DSSDBG("dispc_runtime_put\n"); r = pm_runtime_put_sync(&dispc.pdev->dev); - WARN_ON(r < 0); + WARN_ON(r < 0 && r != -ENOSYS); } static inline bool dispc_mgr_is_lcd(enum omap_channel channel) diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index ca8382d346e9..14ce8cc079e3 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -1075,7 +1075,7 @@ void dsi_runtime_put(struct platform_device *dsidev) DSSDBG("dsi_runtime_put\n"); r = pm_runtime_put_sync(&dsi->pdev->dev); - WARN_ON(r < 0); + WARN_ON(r < 0 && r != -ENOSYS); } /* source clock for DSI PLL. this could also be PCLKFREE */ diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 770632359a17..d2b57197b292 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -731,7 +731,7 @@ static void dss_runtime_put(void) DSSDBG("dss_runtime_put\n"); r = pm_runtime_put_sync(&dss.pdev->dev); - WARN_ON(r < 0 && r != -EBUSY); + WARN_ON(r < 0 && r != -ENOSYS && r != -EBUSY); } /* DEBUGFS */ diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 8195c7166d20..26a2430a7028 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -138,7 +138,7 @@ static void hdmi_runtime_put(void) DSSDBG("hdmi_runtime_put\n"); r = pm_runtime_put_sync(&hdmi.pdev->dev); - WARN_ON(r < 0); + WARN_ON(r < 0 && r != -ENOSYS); } static int __init hdmi_init_display(struct omap_dss_device *dssdev) diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 3d8c206e90e5..7985fa12b9b4 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -141,7 +141,7 @@ static void rfbi_runtime_put(void) DSSDBG("rfbi_runtime_put\n"); r = pm_runtime_put_sync(&rfbi.pdev->dev); - WARN_ON(r < 0); + WARN_ON(r < 0 && r != -ENOSYS); } void rfbi_bus_lock(void) diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index 2b8973931ff4..3907c8b6ecbc 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -402,7 +402,7 @@ static void venc_runtime_put(void) DSSDBG("venc_runtime_put\n"); r = pm_runtime_put_sync(&venc.pdev->dev); - WARN_ON(r < 0); + WARN_ON(r < 0 && r != -ENOSYS); } static const struct venc_config *venc_timings_to_config( diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index bfbc15ca38dd..0908e6044333 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -47,7 +47,7 @@ struct virtio_balloon struct task_struct *thread; /* Waiting for host to ack the pages we released. */ - struct completion acked; + wait_queue_head_t acked; /* Number of balloon pages we've told the Host we're not using. */ unsigned int num_pages; @@ -89,29 +89,25 @@ static struct page *balloon_pfn_to_page(u32 pfn) static void balloon_ack(struct virtqueue *vq) { - struct virtio_balloon *vb; - unsigned int len; + struct virtio_balloon *vb = vq->vdev->priv; - vb = virtqueue_get_buf(vq, &len); - if (vb) - complete(&vb->acked); + wake_up(&vb->acked); } static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq) { struct scatterlist sg; + unsigned int len; sg_init_one(&sg, vb->pfns, sizeof(vb->pfns[0]) * vb->num_pfns); - init_completion(&vb->acked); - /* We should always be able to add one buffer to an empty queue. */ if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0) BUG(); virtqueue_kick(vq); /* When host has read buffer, this completes via balloon_ack */ - wait_for_completion(&vb->acked); + wait_event(vb->acked, virtqueue_get_buf(vq, &len)); } static void set_page_pfns(u32 pfns[], struct page *page) @@ -231,12 +227,8 @@ static void update_balloon_stats(struct virtio_balloon *vb) */ static void stats_request(struct virtqueue *vq) { - struct virtio_balloon *vb; - unsigned int len; + struct virtio_balloon *vb = vq->vdev->priv; - vb = virtqueue_get_buf(vq, &len); - if (!vb) - return; vb->need_stats_update = 1; wake_up(&vb->config_change); } @@ -245,11 +237,14 @@ static void stats_handle_request(struct virtio_balloon *vb) { struct virtqueue *vq; struct scatterlist sg; + unsigned int len; vb->need_stats_update = 0; update_balloon_stats(vb); vq = vb->stats_vq; + if (!virtqueue_get_buf(vq, &len)) + return; sg_init_one(&sg, vb->stats, sizeof(vb->stats)); if (virtqueue_add_buf(vq, &sg, 1, 0, vb, GFP_KERNEL) < 0) BUG(); @@ -358,6 +353,7 @@ static int virtballoon_probe(struct virtio_device *vdev) INIT_LIST_HEAD(&vb->pages); vb->num_pages = 0; init_waitqueue_head(&vb->config_change); + init_waitqueue_head(&vb->acked); vb->vdev = vdev; vb->need_stats_update = 0; diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c index 30d7be026c18..46ae0f9f02ad 100644 --- a/drivers/xen/xen-pciback/conf_space.c +++ b/drivers/xen/xen-pciback/conf_space.c @@ -124,7 +124,7 @@ static inline u32 merge_value(u32 val, u32 new_val, u32 new_val_mask, return val; } -static int pcibios_err_to_errno(int err) +static int xen_pcibios_err_to_errno(int err) { switch (err) { case PCIBIOS_SUCCESSFUL: @@ -202,7 +202,7 @@ out: pci_name(dev), size, offset, value); *ret_val = value; - return pcibios_err_to_errno(err); + return xen_pcibios_err_to_errno(err); } int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, u32 value) @@ -290,7 +290,7 @@ int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, u32 value) } } - return pcibios_err_to_errno(err); + return xen_pcibios_err_to_errno(err); } void xen_pcibk_config_free_dyn_fields(struct pci_dev *dev) diff --git a/fs/buffer.c b/fs/buffer.c index 838a9cf246bd..c7062c896d7c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1036,6 +1036,9 @@ grow_buffers(struct block_device *bdev, sector_t block, int size) static struct buffer_head * __getblk_slow(struct block_device *bdev, sector_t block, int size) { + int ret; + struct buffer_head *bh; + /* Size must be multiple of hard sectorsize */ if (unlikely(size & (bdev_logical_block_size(bdev)-1) || (size < 512 || size > PAGE_SIZE))) { @@ -1048,20 +1051,21 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size) return NULL; } - for (;;) { - struct buffer_head * bh; - int ret; +retry: + bh = __find_get_block(bdev, block, size); + if (bh) + return bh; + ret = grow_buffers(bdev, block, size); + if (ret == 0) { + free_more_memory(); + goto retry; + } else if (ret > 0) { bh = __find_get_block(bdev, block, size); if (bh) return bh; - - ret = grow_buffers(bdev, block, size); - if (ret < 0) - return NULL; - if (ret == 0) - free_more_memory(); } + return NULL; } /* diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 5b400730c213..4ee522b3f66f 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -86,7 +86,31 @@ static struct { #endif /* CONFIG_CIFS_WEAK_PW_HASH */ #endif /* CIFS_POSIX */ -/* Forward declarations */ +#ifdef CONFIG_HIGHMEM +/* + * On arches that have high memory, kmap address space is limited. By + * serializing the kmap operations on those arches, we ensure that we don't + * end up with a bunch of threads in writeback with partially mapped page + * arrays, stuck waiting for kmap to come back. That situation prevents + * progress and can deadlock. + */ +static DEFINE_MUTEX(cifs_kmap_mutex); + +static inline void +cifs_kmap_lock(void) +{ + mutex_lock(&cifs_kmap_mutex); +} + +static inline void +cifs_kmap_unlock(void) +{ + mutex_unlock(&cifs_kmap_mutex); +} +#else /* !CONFIG_HIGHMEM */ +#define cifs_kmap_lock() do { ; } while(0) +#define cifs_kmap_unlock() do { ; } while(0) +#endif /* CONFIG_HIGHMEM */ /* Mark as invalid, all open files on tree connections since they were closed when session to server was lost */ @@ -1503,7 +1527,9 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) } /* marshal up the page array */ + cifs_kmap_lock(); len = rdata->marshal_iov(rdata, data_len); + cifs_kmap_unlock(); data_len -= len; /* issue the read if we have any iovecs left to fill */ @@ -2069,7 +2095,9 @@ cifs_async_writev(struct cifs_writedata *wdata) * and set the iov_len properly for each one. It may also set * wdata->bytes too. */ + cifs_kmap_lock(); wdata->marshal_iov(iov, wdata); + cifs_kmap_unlock(); cFYI(1, "async write at %llu %u bytes", wdata->offset, wdata->bytes); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 0ae86ddf2213..94b7788c3189 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3445,6 +3445,18 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, #define CIFS_DEFAULT_NON_POSIX_RSIZE (60 * 1024) #define CIFS_DEFAULT_NON_POSIX_WSIZE (65536) +/* + * On hosts with high memory, we can't currently support wsize/rsize that are + * larger than we can kmap at once. Cap the rsize/wsize at + * LAST_PKMAP * PAGE_SIZE. We'll never be able to fill a read or write request + * larger than that anyway. + */ +#ifdef CONFIG_HIGHMEM +#define CIFS_KMAP_SIZE_LIMIT (LAST_PKMAP * PAGE_CACHE_SIZE) +#else /* CONFIG_HIGHMEM */ +#define CIFS_KMAP_SIZE_LIMIT (1<<24) +#endif /* CONFIG_HIGHMEM */ + static unsigned int cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) { @@ -3475,6 +3487,9 @@ cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) wsize = min_t(unsigned int, wsize, server->maxBuf - sizeof(WRITE_REQ) + 4); + /* limit to the amount that we can kmap at once */ + wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT); + /* hard limit of CIFS_MAX_WSIZE */ wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE); @@ -3516,6 +3531,9 @@ cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info) if (!(server->capabilities & CAP_LARGE_READ_X)) rsize = min_t(unsigned int, CIFSMaxBufSize, rsize); + /* limit to the amount that we can kmap at once */ + rsize = min_t(unsigned int, rsize, CIFS_KMAP_SIZE_LIMIT); + /* hard limit of CIFS_MAX_RSIZE */ rsize = min_t(unsigned int, rsize, CIFS_MAX_RSIZE); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 0a8224d1c4c5..a4217f02fab2 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -86,9 +86,12 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name, dentry = d_lookup(parent, name); if (dentry) { - /* FIXME: check for inode number changes? */ - if (dentry->d_inode != NULL) + inode = dentry->d_inode; + /* update inode in place if i_ino didn't change */ + if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { + cifs_fattr_to_inode(inode, fattr); return dentry; + } d_drop(dentry); dput(dentry); } diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 3097ee58fd7d..f25d4ea14be4 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -365,16 +365,14 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov, if (mid == NULL) return -ENOMEM; - /* put it on the pending_mid_q */ - spin_lock(&GlobalMid_Lock); - list_add_tail(&mid->qhead, &server->pending_mid_q); - spin_unlock(&GlobalMid_Lock); - rc = cifs_sign_smb2(iov, nvec, server, &mid->sequence_number); - if (rc) - delete_mid(mid); + if (rc) { + DeleteMidQEntry(mid); + return rc; + } + *ret_mid = mid; - return rc; + return 0; } /* @@ -407,17 +405,21 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, mid->callback_data = cbdata; mid->mid_state = MID_REQUEST_SUBMITTED; + /* put it on the pending_mid_q */ + spin_lock(&GlobalMid_Lock); + list_add_tail(&mid->qhead, &server->pending_mid_q); + spin_unlock(&GlobalMid_Lock); + + cifs_in_send_inc(server); rc = smb_sendv(server, iov, nvec); cifs_in_send_dec(server); cifs_save_when_sent(mid); mutex_unlock(&server->srv_mutex); - if (rc) - goto out_err; + if (rc == 0) + return 0; - return rc; -out_err: delete_mid(mid); add_credits(server, 1); wake_up(&server->request_q); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 74598f67efeb..1c8b55670804 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1710,7 +1710,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, goto error_tgt_fput; /* Check if EPOLLWAKEUP is allowed */ - if ((epds.events & EPOLLWAKEUP) && !capable(CAP_EPOLLWAKEUP)) + if ((epds.events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) epds.events &= ~EPOLLWAKEUP; /* diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 49cf230554a2..24a49d47e935 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -735,13 +735,7 @@ static int _prepare_for_striping(struct ore_io_state *ios) out: ios->numdevs = devs_in_group; ios->pages_consumed = cur_pg; - if (unlikely(ret)) { - if (length == ios->length) - return ret; - else - ios->length -= length; - } - return 0; + return ret; } int ore_create(struct ore_io_state *ios) diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c index d222c77cfa1b..5f376d14fdcc 100644 --- a/fs/exofs/ore_raid.c +++ b/fs/exofs/ore_raid.c @@ -144,26 +144,26 @@ static void _sp2d_reset(struct __stripe_pages_2d *sp2d, { unsigned data_devs = sp2d->data_devs; unsigned group_width = data_devs + sp2d->parity; - unsigned p; + int p, c; if (!sp2d->needed) return; - for (p = 0; p < sp2d->pages_in_unit; p++) { - struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; - - if (_1ps->write_count < group_width) { - unsigned c; + for (c = data_devs - 1; c >= 0; --c) + for (p = sp2d->pages_in_unit - 1; p >= 0; --p) { + struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; - for (c = 0; c < data_devs; c++) - if (_1ps->page_is_read[c]) { - struct page *page = _1ps->pages[c]; + if (_1ps->page_is_read[c]) { + struct page *page = _1ps->pages[c]; - r4w->put_page(priv, page); - _1ps->page_is_read[c] = false; - } + r4w->put_page(priv, page); + _1ps->page_is_read[c] = false; + } } + for (p = 0; p < sp2d->pages_in_unit; p++) { + struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; + memset(_1ps->pages, 0, group_width * sizeof(*_1ps->pages)); _1ps->write_count = 0; _1ps->tx = NULL; @@ -461,16 +461,12 @@ static void _mark_read4write_pages_uptodate(struct ore_io_state *ios, int ret) * ios->sp2d[p][*], xor is calculated the same way. These pages are * allocated/freed and don't go through cache */ -static int _read_4_write(struct ore_io_state *ios) +static int _read_4_write_first_stripe(struct ore_io_state *ios) { - struct ore_io_state *ios_read; struct ore_striping_info read_si; struct __stripe_pages_2d *sp2d = ios->sp2d; u64 offset = ios->si.first_stripe_start; - u64 last_stripe_end; - unsigned bytes_in_stripe = ios->si.bytes_in_stripe; - unsigned i, c, p, min_p = sp2d->pages_in_unit, max_p = -1; - int ret; + unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1; if (offset == ios->offset) /* Go to start collect $200 */ goto read_last_stripe; @@ -478,6 +474,9 @@ static int _read_4_write(struct ore_io_state *ios) min_p = _sp2d_min_pg(sp2d); max_p = _sp2d_max_pg(sp2d); + ORE_DBGMSG("stripe_start=0x%llx ios->offset=0x%llx min_p=%d max_p=%d\n", + offset, ios->offset, min_p, max_p); + for (c = 0; ; c++) { ore_calc_stripe_info(ios->layout, offset, 0, &read_si); read_si.obj_offset += min_p * PAGE_SIZE; @@ -512,6 +511,18 @@ static int _read_4_write(struct ore_io_state *ios) } read_last_stripe: + return 0; +} + +static int _read_4_write_last_stripe(struct ore_io_state *ios) +{ + struct ore_striping_info read_si; + struct __stripe_pages_2d *sp2d = ios->sp2d; + u64 offset; + u64 last_stripe_end; + unsigned bytes_in_stripe = ios->si.bytes_in_stripe; + unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1; + offset = ios->offset + ios->length; if (offset % PAGE_SIZE) _add_to_r4w_last_page(ios, &offset); @@ -527,15 +538,15 @@ read_last_stripe: c = _dev_order(ios->layout->group_width * ios->layout->mirrors_p1, ios->layout->mirrors_p1, read_si.par_dev, read_si.dev); - BUG_ON(ios->si.first_stripe_start + bytes_in_stripe != last_stripe_end); - /* unaligned IO must be within a single stripe */ - if (min_p == sp2d->pages_in_unit) { /* Didn't do it yet */ min_p = _sp2d_min_pg(sp2d); max_p = _sp2d_max_pg(sp2d); } + ORE_DBGMSG("offset=0x%llx stripe_end=0x%llx min_p=%d max_p=%d\n", + offset, last_stripe_end, min_p, max_p); + while (offset < last_stripe_end) { struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p]; @@ -568,6 +579,15 @@ read_last_stripe: } read_it: + return 0; +} + +static int _read_4_write_execute(struct ore_io_state *ios) +{ + struct ore_io_state *ios_read; + unsigned i; + int ret; + ios_read = ios->ios_read_4_write; if (!ios_read) return 0; @@ -591,6 +611,8 @@ read_it: } _mark_read4write_pages_uptodate(ios_read, ret); + ore_put_io_state(ios_read); + ios->ios_read_4_write = NULL; /* Might need a reuse at last stripe */ return 0; } @@ -626,8 +648,11 @@ int _ore_add_parity_unit(struct ore_io_state *ios, /* If first stripe, Read in all read4write pages * (if needed) before we calculate the first parity. */ - _read_4_write(ios); + _read_4_write_first_stripe(ios); } + if (!cur_len) /* If last stripe r4w pages of last stripe */ + _read_4_write_last_stripe(ios); + _read_4_write_execute(ios); for (i = 0; i < num_pages; i++) { pages[i] = _raid_page_alloc(); @@ -654,34 +679,14 @@ int _ore_add_parity_unit(struct ore_io_state *ios, int _ore_post_alloc_raid_stuff(struct ore_io_state *ios) { - struct ore_layout *layout = ios->layout; - if (ios->parity_pages) { + struct ore_layout *layout = ios->layout; unsigned pages_in_unit = layout->stripe_unit / PAGE_SIZE; - unsigned stripe_size = ios->si.bytes_in_stripe; - u64 last_stripe, first_stripe; if (_sp2d_alloc(pages_in_unit, layout->group_width, layout->parity, &ios->sp2d)) { return -ENOMEM; } - - /* Round io down to last full strip */ - first_stripe = div_u64(ios->offset, stripe_size); - last_stripe = div_u64(ios->offset + ios->length, stripe_size); - - /* If an IO spans more then a single stripe it must end at - * a stripe boundary. The reminder at the end is pushed into the - * next IO. - */ - if (last_stripe != first_stripe) { - ios->length = last_stripe * stripe_size - ios->offset; - - BUG_ON(!ios->length); - ios->nr_pages = (ios->length + PAGE_SIZE - 1) / - PAGE_SIZE; - ios->si.length = ios->length; /*make it consistent */ - } } return 0; } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index e34deac3f366..6ec6f9ee2fec 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -268,7 +268,6 @@ group_extend_out: err = ext4_move_extents(filp, donor_filp, me.orig_start, me.donor_start, me.len, &me.moved_len); mnt_drop_write_file(filp); - mnt_drop_write(filp->f_path.mnt); if (copy_to_user((struct move_extent __user *)arg, &me, sizeof(me))) diff --git a/fs/fat/inode.c b/fs/fat/inode.c index a3d81ebf6d86..0038b32cb362 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -738,22 +738,21 @@ static int fat_encode_fh(struct inode *inode, __u32 *fh, int *lenp, struct inode *parent) { int len = *lenp; - u32 ipos_h, ipos_m, ipos_l; + struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); + loff_t i_pos; if (len < 5) { *lenp = 5; return 255; /* no room */ } - ipos_h = MSDOS_I(inode)->i_pos >> 8; - ipos_m = (MSDOS_I(inode)->i_pos & 0xf0) << 24; - ipos_l = (MSDOS_I(inode)->i_pos & 0x0f) << 28; + i_pos = fat_i_pos_read(sbi, inode); *lenp = 5; fh[0] = inode->i_ino; fh[1] = inode->i_generation; - fh[2] = ipos_h; - fh[3] = ipos_m | MSDOS_I(inode)->i_logstart; - fh[4] = ipos_l; + fh[2] = i_pos >> 8; + fh[3] = ((i_pos & 0xf0) << 24) | MSDOS_I(inode)->i_logstart; + fh[4] = (i_pos & 0x0f) << 28; if (parent) fh[4] |= MSDOS_I(parent)->i_logstart; return 3; diff --git a/fs/fifo.c b/fs/fifo.c index b1a524d798e7..cf6f4345ceb0 100644 --- a/fs/fifo.c +++ b/fs/fifo.c @@ -14,7 +14,7 @@ #include <linux/sched.h> #include <linux/pipe_fs_i.h> -static void wait_for_partner(struct inode* inode, unsigned int *cnt) +static int wait_for_partner(struct inode* inode, unsigned int *cnt) { int cur = *cnt; @@ -23,6 +23,7 @@ static void wait_for_partner(struct inode* inode, unsigned int *cnt) if (signal_pending(current)) break; } + return cur == *cnt ? -ERESTARTSYS : 0; } static void wake_up_partner(struct inode* inode) @@ -67,8 +68,7 @@ static int fifo_open(struct inode *inode, struct file *filp) * seen a writer */ filp->f_version = pipe->w_counter; } else { - wait_for_partner(inode, &pipe->w_counter); - if(signal_pending(current)) + if (wait_for_partner(inode, &pipe->w_counter)) goto err_rd; } } @@ -90,8 +90,7 @@ static int fifo_open(struct inode *inode, struct file *filp) wake_up_partner(inode); if (!pipe->readers) { - wait_for_partner(inode, &pipe->r_counter); - if (signal_pending(current)) + if (wait_for_partner(inode, &pipe->r_counter)) goto err_wr; } break; diff --git a/fs/locks.c b/fs/locks.c index 814c51d0de47..fce6238d52c1 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1465,7 +1465,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp) case F_WRLCK: return generic_add_lease(filp, arg, flp); default: - BUG(); + return -EINVAL; } } EXPORT_SYMBOL(generic_setlease); diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 9a4cbfc85d81..48253372ab1d 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -484,6 +484,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) list_for_each_entry_safe(req, tmp, &reqs, wb_list) { if (!nfs_pageio_add_request(&desc, req)) { + nfs_list_remove_request(req); nfs_list_add_request(req, &failed); spin_lock(cinfo.lock); dreq->flags = 0; @@ -494,8 +495,11 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) } nfs_pageio_complete(&desc); - while (!list_empty(&failed)) + while (!list_empty(&failed)) { + req = nfs_list_entry(failed.next); + nfs_list_remove_request(req); nfs_unlock_and_release_request(req); + } if (put_dreq(dreq)) nfs_direct_write_complete(dreq, dreq->inode); diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index b47277baebab..f50d3e8d6f22 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -454,7 +454,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata) objios->ios->done = _read_done; dprintk("%s: offset=0x%llx length=0x%x\n", __func__, rdata->args.offset, rdata->args.count); - return ore_read(objios->ios); + ret = ore_read(objios->ios); + if (unlikely(ret)) + objio_free_result(&objios->oir); + return ret; } /* @@ -486,8 +489,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) struct nfs_write_data *wdata = objios->oir.rpcdata; struct address_space *mapping = wdata->header->inode->i_mapping; pgoff_t index = offset / PAGE_SIZE; - struct page *page = find_get_page(mapping, index); + struct page *page; + loff_t i_size = i_size_read(wdata->header->inode); + + if (offset >= i_size) { + *uptodate = true; + dprintk("%s: g_zero_page index=0x%lx\n", __func__, index); + return ZERO_PAGE(0); + } + page = find_get_page(mapping, index); if (!page) { page = find_or_create_page(mapping, index, GFP_NOFS); if (unlikely(!page)) { @@ -507,8 +518,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) static void __r4w_put_page(void *priv, struct page *page) { - dprintk("%s: index=0x%lx\n", __func__, page->index); - page_cache_release(page); + dprintk("%s: index=0x%lx\n", __func__, + (page == ZERO_PAGE(0)) ? -1UL : page->index); + if (ZERO_PAGE(0) != page) + page_cache_release(page); return; } @@ -539,8 +552,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how) dprintk("%s: offset=0x%llx length=0x%x\n", __func__, wdata->args.offset, wdata->args.count); ret = ore_write(objios->ios); - if (unlikely(ret)) + if (unlikely(ret)) { + objio_free_result(&objios->oir); return ret; + } if (objios->sync) _write_done(objios->ios, objios); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 906f09c7d842..06228192f64e 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2860,6 +2860,8 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name, dfprintk(MOUNT, "--> nfs4_try_mount()\n"); + mount_info->fill_super = nfs4_fill_super; + export_path = data->nfs_server.export_path; data->nfs_server.export_path = "/"; root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type, flags, mount_info, diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 98513c8ed589..7602783d7f41 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, if (ret < 0) mlog_errno(ret); - if (file->f_flags & O_SYNC) + if (file && (file->f_flags & O_SYNC)) handle->h_sync = 1; ocfs2_commit_trans(osb, handle); diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index fbb0b478a346..d5378d028589 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -110,6 +110,7 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) /* prevent the page from being discarded on memory pressure */ SetPageDirty(page); + SetPageUptodate(page); unlock_page(page); put_page(page); diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index ef3d1ba6d992..15e2fc5aa60b 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -718,8 +718,12 @@ static int fixup_free_space(struct ubifs_info *c) lnum = ubifs_next_log_lnum(c, lnum); } - /* Fixup the current log head */ - err = fixup_leb(c, c->lhead_lnum, c->lhead_offs); + /* + * Fixup the log head which contains the only a CS node at the + * beginning. + */ + err = fixup_leb(c, c->lhead_lnum, + ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size)); if (err) goto out; diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 9d1aeb7e2734..4f33c32affe3 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -1074,13 +1074,13 @@ restart: * If we couldn't get anything, give up. */ if (bno_cur_lt == NULL && bno_cur_gt == NULL) { + xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); + if (!forced++) { trace_xfs_alloc_near_busy(args); xfs_log_force(args->mp, XFS_LOG_SYNC); goto restart; } - - xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); trace_xfs_alloc_size_neither(args); args->agbno = NULLAGBLOCK; return 0; @@ -2434,13 +2434,22 @@ xfs_alloc_vextent_worker( current_restore_flags_nested(&pflags, PF_FSTRANS); } - -int /* error */ +/* + * Data allocation requests often come in with little stack to work on. Push + * them off to a worker thread so there is lots of stack to use. Metadata + * requests, OTOH, are generally from low stack usage paths, so avoid the + * context switch overhead here. + */ +int xfs_alloc_vextent( - xfs_alloc_arg_t *args) /* allocation argument structure */ + struct xfs_alloc_arg *args) { DECLARE_COMPLETION_ONSTACK(done); + if (!args->userdata) + return __xfs_alloc_vextent(args); + + args->done = &done; INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker); queue_work(xfs_alloc_wq, &args->work); diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index a4beb421018a..269b35c084da 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -989,27 +989,6 @@ xfs_buf_ioerror_alert( (__uint64_t)XFS_BUF_ADDR(bp), func, bp->b_error, bp->b_length); } -int -xfs_bwrite( - struct xfs_buf *bp) -{ - int error; - - ASSERT(xfs_buf_islocked(bp)); - - bp->b_flags |= XBF_WRITE; - bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q); - - xfs_bdstrat_cb(bp); - - error = xfs_buf_iowait(bp); - if (error) { - xfs_force_shutdown(bp->b_target->bt_mount, - SHUTDOWN_META_IO_ERROR); - } - return error; -} - /* * Called when we want to stop a buffer from getting written or read. * We attach the EIO error, muck with its flags, and call xfs_buf_ioend @@ -1079,14 +1058,7 @@ xfs_bioerror_relse( return EIO; } - -/* - * All xfs metadata buffers except log state machine buffers - * get this attached as their b_bdstrat callback function. - * This is so that we can catch a buffer - * after prematurely unpinning it to forcibly shutdown the filesystem. - */ -int +STATIC int xfs_bdstrat_cb( struct xfs_buf *bp) { @@ -1107,6 +1079,27 @@ xfs_bdstrat_cb( return 0; } +int +xfs_bwrite( + struct xfs_buf *bp) +{ + int error; + + ASSERT(xfs_buf_islocked(bp)); + + bp->b_flags |= XBF_WRITE; + bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q); + + xfs_bdstrat_cb(bp); + + error = xfs_buf_iowait(bp); + if (error) { + xfs_force_shutdown(bp->b_target->bt_mount, + SHUTDOWN_META_IO_ERROR); + } + return error; +} + /* * Wrapper around bdstrat so that we can stop data from going to disk in case * we are shutting down the filesystem. Typically user data goes thru this @@ -1243,7 +1236,7 @@ xfs_buf_iorequest( */ atomic_set(&bp->b_io_remaining, 1); _xfs_buf_ioapply(bp); - _xfs_buf_ioend(bp, 0); + _xfs_buf_ioend(bp, 1); xfs_buf_rele(bp); } diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 7f1d1392ce37..79344c48008e 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -180,7 +180,6 @@ extern void xfs_buf_unlock(xfs_buf_t *); extern int xfs_bwrite(struct xfs_buf *bp); extern void xfsbdstrat(struct xfs_mount *, struct xfs_buf *); -extern int xfs_bdstrat_cb(struct xfs_buf *); extern void xfs_buf_ioend(xfs_buf_t *, int); extern void xfs_buf_ioerror(xfs_buf_t *, int); diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 45df2b857d48..d9e451115f98 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -954,7 +954,7 @@ xfs_buf_iodone_callbacks( if (!XFS_BUF_ISSTALE(bp)) { bp->b_flags |= XBF_WRITE | XBF_ASYNC | XBF_DONE; - xfs_bdstrat_cb(bp); + xfs_buf_iorequest(bp); } else { xfs_buf_relse(bp); } diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h index c544356b374b..294b1e755ab2 100644 --- a/include/asm-generic/dma-contiguous.h +++ b/include/asm-generic/dma-contiguous.h @@ -18,7 +18,7 @@ static inline void dev_set_cma_area(struct device *dev, struct cma *cma) { if (dev) dev->cma_area = cma; - if (!dev || !dma_contiguous_default_area) + if (!dev && !dma_contiguous_default_area) dma_contiguous_default_area = cma; } diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 324fe08ea3b1..6d6795d46a75 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -91,6 +91,11 @@ extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); +void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat, + unsigned long size, + unsigned long align, + unsigned long goal, + unsigned long limit); extern void *__alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal); diff --git a/include/linux/capability.h b/include/linux/capability.h index 68d56effc328..d10b7ed595b1 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -360,11 +360,11 @@ struct cpu_vfs_cap_data { #define CAP_WAKE_ALARM 35 -/* Allow preventing system suspends while epoll events are pending */ +/* Allow preventing system suspends */ -#define CAP_EPOLLWAKEUP 36 +#define CAP_BLOCK_SUSPEND 36 -#define CAP_LAST_CAP CAP_EPOLLWAKEUP +#define CAP_LAST_CAP CAP_BLOCK_SUSPEND #define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP) diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 2521a95fa6d9..44c87e731e9d 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -163,16 +163,8 @@ struct ceph_connection { /* connection negotiation temps */ char in_banner[CEPH_BANNER_MAX_LEN]; - union { - struct { /* outgoing connection */ - struct ceph_msg_connect out_connect; - struct ceph_msg_connect_reply in_reply; - }; - struct { /* incoming */ - struct ceph_msg_connect in_connect; - struct ceph_msg_connect_reply out_reply; - }; - }; + struct ceph_msg_connect out_connect; + struct ceph_msg_connect_reply in_reply; struct ceph_entity_addr actual_peer_addr; /* message out temps */ diff --git a/include/linux/device.h b/include/linux/device.h index 161d96241b1b..5083bccae967 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -36,6 +36,7 @@ struct subsys_private; struct bus_type; struct device_node; struct iommu_ops; +struct iommu_group; struct bus_attribute { struct attribute attr; @@ -687,6 +688,7 @@ struct device { const struct attribute_group **groups; /* optional groups */ void (*release)(struct device *dev); + struct iommu_group *iommu_group; }; /* Get the wakeup routines, which depend on struct device */ @@ -865,8 +867,6 @@ extern int (*platform_notify_remove)(struct device *dev); extern struct device *get_device(struct device *dev); extern void put_device(struct device *dev); -extern void wait_for_device_probe(void); - #ifdef CONFIG_DEVTMPFS extern int devtmpfs_create_node(struct device *dev); extern int devtmpfs_delete_node(struct device *dev); diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index 6f8be328770a..f4bb378ccf6a 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -34,7 +34,7 @@ * re-allowed until epoll_wait is called again after consuming the wakeup * event(s). * - * Requires CAP_EPOLLWAKEUP + * Requires CAP_BLOCK_SUSPEND */ #define EPOLLWAKEUP (1 << 29) diff --git a/include/linux/gpio.h b/include/linux/gpio.h index f07fc2d08159..2e31e8b3a190 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -22,8 +22,8 @@ /* Gpio pin is open source */ #define GPIOF_OPEN_SOURCE (1 << 3) -#define GPIOF_EXPORT (1 << 2) -#define GPIOF_EXPORT_CHANGEABLE (1 << 3) +#define GPIOF_EXPORT (1 << 4) +#define GPIOF_EXPORT_CHANGEABLE (1 << 5) #define GPIOF_EXPORT_DIR_FIXED (GPIOF_EXPORT) #define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE) diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index fd0dc30c9f15..cc07d2777bbe 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -165,6 +165,7 @@ enum hrtimer_base_type { * @lock: lock protecting the base and associated clock bases * and timers * @active_bases: Bitfield to mark bases with active timers + * @clock_was_set: Indicates that clock was set from irq context. * @expires_next: absolute time of the next event which was scheduled * via clock_set_next_event() * @hres_active: State of high resolution mode @@ -177,7 +178,8 @@ enum hrtimer_base_type { */ struct hrtimer_cpu_base { raw_spinlock_t lock; - unsigned long active_bases; + unsigned int active_bases; + unsigned int clock_was_set; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; @@ -286,6 +288,8 @@ extern void hrtimer_peek_ahead_timers(void); # define MONOTONIC_RES_NSEC HIGH_RES_NSEC # define KTIME_MONOTONIC_RES KTIME_HIGH_RES +extern void clock_was_set_delayed(void); + #else # define MONOTONIC_RES_NSEC LOW_RES_NSEC @@ -306,6 +310,9 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer) { return 0; } + +static inline void clock_was_set_delayed(void) { } + #endif extern void clock_was_set(void); @@ -320,6 +327,7 @@ extern ktime_t ktime_get(void); extern ktime_t ktime_get_real(void); extern ktime_t ktime_get_boottime(void); extern ktime_t ktime_get_monotonic_offset(void); +extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot); DECLARE_PER_CPU(struct tick_device, tick_cpu_device); diff --git a/include/linux/iommu.h b/include/linux/iommu.h index f7df4aa527f3..54d6d690073c 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -26,6 +26,7 @@ #define IOMMU_CACHE (4) /* DMA cache coherency */ struct iommu_ops; +struct iommu_group; struct bus_type; struct device; struct iommu_domain; @@ -71,6 +72,8 @@ enum iommu_attr { * @unmap: unmap a physically contiguous memory region from an iommu domain * @iova_to_phys: translate iova to physical address * @domain_has_cap: domain capabilities query + * @add_device: add device to iommu grouping + * @remove_device: remove device from iommu grouping * @domain_get_attr: Query domain attributes * @domain_set_attr: Change domain attributes * @pgsize_bitmap: bitmap of supported page sizes @@ -88,6 +91,8 @@ struct iommu_ops { unsigned long iova); int (*domain_has_cap)(struct iommu_domain *domain, unsigned long cap); + int (*add_device)(struct device *dev); + void (*remove_device)(struct device *dev); int (*device_group)(struct device *dev, unsigned int *groupid); int (*domain_get_attr)(struct iommu_domain *domain, enum iommu_attr attr, void *data); @@ -96,6 +101,13 @@ struct iommu_ops { unsigned long pgsize_bitmap; }; +#define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */ +#define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */ +#define IOMMU_GROUP_NOTIFY_BIND_DRIVER 3 /* Pre Driver bind */ +#define IOMMU_GROUP_NOTIFY_BOUND_DRIVER 4 /* Post Driver bind */ +#define IOMMU_GROUP_NOTIFY_UNBIND_DRIVER 5 /* Pre Driver unbind */ +#define IOMMU_GROUP_NOTIFY_UNBOUND_DRIVER 6 /* Post Driver unbind */ + extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops); extern bool iommu_present(struct bus_type *bus); extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus); @@ -114,7 +126,29 @@ extern int iommu_domain_has_cap(struct iommu_domain *domain, unsigned long cap); extern void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler, void *token); -extern int iommu_device_group(struct device *dev, unsigned int *groupid); + +extern int iommu_attach_group(struct iommu_domain *domain, + struct iommu_group *group); +extern void iommu_detach_group(struct iommu_domain *domain, + struct iommu_group *group); +extern struct iommu_group *iommu_group_alloc(void); +extern void *iommu_group_get_iommudata(struct iommu_group *group); +extern void iommu_group_set_iommudata(struct iommu_group *group, + void *iommu_data, + void (*release)(void *iommu_data)); +extern int iommu_group_set_name(struct iommu_group *group, const char *name); +extern int iommu_group_add_device(struct iommu_group *group, + struct device *dev); +extern void iommu_group_remove_device(struct device *dev); +extern int iommu_group_for_each_dev(struct iommu_group *group, void *data, + int (*fn)(struct device *, void *)); +extern struct iommu_group *iommu_group_get(struct device *dev); +extern void iommu_group_put(struct iommu_group *group); +extern int iommu_group_register_notifier(struct iommu_group *group, + struct notifier_block *nb); +extern int iommu_group_unregister_notifier(struct iommu_group *group, + struct notifier_block *nb); +extern int iommu_group_id(struct iommu_group *group); extern int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr, void *data); @@ -164,6 +198,7 @@ static inline int report_iommu_fault(struct iommu_domain *domain, #else /* CONFIG_IOMMU_API */ struct iommu_ops {}; +struct iommu_group {}; static inline bool iommu_present(struct bus_type *bus) { @@ -219,7 +254,72 @@ static inline void iommu_set_fault_handler(struct iommu_domain *domain, { } -static inline int iommu_device_group(struct device *dev, unsigned int *groupid) +int iommu_attach_group(struct iommu_domain *domain, struct iommu_group *group) +{ + return -ENODEV; +} + +void iommu_detach_group(struct iommu_domain *domain, struct iommu_group *group) +{ +} + +struct iommu_group *iommu_group_alloc(void) +{ + return ERR_PTR(-ENODEV); +} + +void *iommu_group_get_iommudata(struct iommu_group *group) +{ + return NULL; +} + +void iommu_group_set_iommudata(struct iommu_group *group, void *iommu_data, + void (*release)(void *iommu_data)) +{ +} + +int iommu_group_set_name(struct iommu_group *group, const char *name) +{ + return -ENODEV; +} + +int iommu_group_add_device(struct iommu_group *group, struct device *dev) +{ + return -ENODEV; +} + +void iommu_group_remove_device(struct device *dev) +{ +} + +int iommu_group_for_each_dev(struct iommu_group *group, void *data, + int (*fn)(struct device *, void *)) +{ + return -ENODEV; +} + +struct iommu_group *iommu_group_get(struct device *dev) +{ + return NULL; +} + +void iommu_group_put(struct iommu_group *group) +{ +} + +int iommu_group_register_notifier(struct iommu_group *group, + struct notifier_block *nb) +{ + return -ENODEV; +} + +int iommu_group_unregister_notifier(struct iommu_group *group, + struct notifier_block *nb) +{ + return 0; +} + +int iommu_group_id(struct iommu_group *group) { return -ENODEV; } diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e07f5e0c5df4..604382143bcf 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -377,7 +377,6 @@ extern enum system_states { SYSTEM_HALT, SYSTEM_POWER_OFF, SYSTEM_RESTART, - SYSTEM_SUSPEND_DISK, } system_state; #define TAINT_PROPRIETARY_MODULE 0 diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h index d6bd50110ec2..2e7a1e032c71 100644 --- a/include/linux/kmsg_dump.h +++ b/include/linux/kmsg_dump.h @@ -55,12 +55,17 @@ struct kmsg_dumper { #ifdef CONFIG_PRINTK void kmsg_dump(enum kmsg_dump_reason reason); +bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog, + char *line, size_t size, size_t *len); + bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, char *line, size_t size, size_t *len); bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, char *buf, size_t size, size_t *len); +void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper); + void kmsg_dump_rewind(struct kmsg_dumper *dumper); int kmsg_dump_register(struct kmsg_dumper *dumper); @@ -71,6 +76,13 @@ static inline void kmsg_dump(enum kmsg_dump_reason reason) { } +static inline bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, + bool syslog, const char *line, + size_t size, size_t *len) +{ + return false; +} + static inline bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, const char *line, size_t size, size_t *len) { @@ -83,6 +95,10 @@ static inline bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, return false; } +static inline void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper) +{ +} + static inline void kmsg_dump_rewind(struct kmsg_dumper *dumper) { } diff --git a/include/linux/memblock.h b/include/linux/memblock.h index a6bb10235148..19dc455b4f3d 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -50,9 +50,7 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end, phys_addr_t size, phys_addr_t align, int nid); phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end, phys_addr_t size, phys_addr_t align); -int memblock_free_reserved_regions(void); -int memblock_reserve_reserved_regions(void); - +phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr); void memblock_allow_resize(void); int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid); int memblock_add(phys_addr_t base, phys_addr_t size); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 2427706f78b4..68c569fcbb66 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -694,7 +694,7 @@ typedef struct pglist_data { range, including holes */ int node_id; wait_queue_head_t kswapd_wait; - struct task_struct *kswapd; + struct task_struct *kswapd; /* Protected by lock_memory_hotplug() */ int kswapd_max_order; enum zone_type classzone_idx; } pg_data_t; diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h new file mode 100644 index 000000000000..51a560f34bca --- /dev/null +++ b/include/linux/of_iommu.h @@ -0,0 +1,21 @@ +#ifndef __OF_IOMMU_H +#define __OF_IOMMU_H + +#ifdef CONFIG_OF_IOMMU + +extern int of_get_dma_window(struct device_node *dn, const char *prefix, + int index, unsigned long *busno, dma_addr_t *addr, + size_t *size); + +#else + +static inline int of_get_dma_window(struct device_node *dn, const char *prefix, + int index, unsigned long *busno, dma_addr_t *addr, + size_t *size) +{ + return -EINVAL; +} + +#endif /* CONFIG_OF_IOMMU */ + +#endif /* __OF_IOMMU_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index fefb4e19bf6a..a691f62bcf89 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -176,8 +176,6 @@ enum pci_dev_flags { PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, /* Provide indication device is assigned by a Virtual Machine Manager */ PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4, - /* Device causes system crash if in D3 during S3 sleep */ - PCI_DEV_FLAGS_NO_D3_DURING_SLEEP = (__force pci_dev_flags_t) 8, }; enum pci_irq_reroute_variant { @@ -476,6 +474,32 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; #define PCIBIOS_SET_FAILED 0x88 #define PCIBIOS_BUFFER_TOO_SMALL 0x89 +/* + * Translate above to generic errno for passing back through non-pci. + */ +static inline int pcibios_err_to_errno(int err) +{ + if (err <= PCIBIOS_SUCCESSFUL) + return err; /* Assume already errno */ + + switch (err) { + case PCIBIOS_FUNC_NOT_SUPPORTED: + return -ENOENT; + case PCIBIOS_BAD_VENDOR_ID: + return -EINVAL; + case PCIBIOS_DEVICE_NOT_FOUND: + return -ENODEV; + case PCIBIOS_BAD_REGISTER_NUMBER: + return -EFAULT; + case PCIBIOS_SET_FAILED: + return -EIO; + case PCIBIOS_BUFFER_TOO_SMALL: + return -ENOSPC; + } + + return -ENOTTY; +} + /* Low-level architecture-dependent routines */ struct pci_ops { @@ -779,6 +803,14 @@ static inline int pci_write_config_dword(const struct pci_dev *dev, int where, return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val); } +/* user-space driven config access */ +int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); +int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); +int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); +int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); +int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); +int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); + int __must_check pci_enable_device(struct pci_dev *dev); int __must_check pci_enable_device_io(struct pci_dev *dev); int __must_check pci_enable_device_mem(struct pci_dev *dev); @@ -1334,6 +1366,9 @@ static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus, static inline int pci_domain_nr(struct pci_bus *bus) { return 0; } +static inline struct pci_dev *pci_dev_get(struct pci_dev *dev) +{ return NULL; } + #define dev_is_pci(d) (false) #define dev_is_pf(d) (false) #define dev_num_vf(d) (0) @@ -1488,9 +1523,20 @@ enum pci_fixup_pass { #ifdef CONFIG_PCI_QUIRKS void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev); +struct pci_dev *pci_get_dma_source(struct pci_dev *dev); +int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags); #else static inline void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {} +static inline struct pci_dev *pci_get_dma_source(struct pci_dev *dev) +{ + return pci_dev_get(dev); +} +static inline int pci_dev_specific_acs_enabled(struct pci_dev *dev, + u16 acs_flags) +{ + return -ENOTTY; +} #endif void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen); @@ -1593,7 +1639,9 @@ static inline bool pci_is_pcie(struct pci_dev *dev) } void pci_request_acs(void); - +bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags); +bool pci_acs_path_enabled(struct pci_dev *start, + struct pci_dev *end, u16 acs_flags); #define PCI_VPD_LRDT 0x80 /* Large Resource Data Type */ #define PCI_VPD_LRDT_ID(x) (x | PCI_VPD_LRDT) diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index 4b608f543412..526d2c4bc3a6 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -26,6 +26,7 @@ * Under PCI, each device has 256 bytes of configuration address space, * of which the first 64 bytes are standardized as follows: */ +#define PCI_STD_HEADER_SIZEOF 64 #define PCI_VENDOR_ID 0x00 /* 16 bits */ #define PCI_DEVICE_ID 0x02 /* 16 bits */ #define PCI_COMMAND 0x04 /* 16 bits */ @@ -209,9 +210,12 @@ #define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */ #define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */ #define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */ +#define PCI_CAP_ID_SECDEV 0x0F /* Secure Device */ #define PCI_CAP_ID_EXP 0x10 /* PCI Express */ #define PCI_CAP_ID_MSIX 0x11 /* MSI-X */ +#define PCI_CAP_ID_SATA 0x12 /* SATA Data/Index Conf. */ #define PCI_CAP_ID_AF 0x13 /* PCI Advanced Features */ +#define PCI_CAP_ID_MAX PCI_CAP_ID_AF #define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ #define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */ #define PCI_CAP_SIZEOF 4 @@ -276,6 +280,7 @@ #define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */ #define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */ #define PCI_VPD_DATA 4 /* 32-bits of data returned here */ +#define PCI_CAP_VPD_SIZEOF 8 /* Slot Identification */ @@ -297,8 +302,10 @@ #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ #define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */ #define PCI_MSI_MASK_32 12 /* Mask bits register for 32-bit devices */ +#define PCI_MSI_PENDING_32 16 /* Pending intrs for 32-bit devices */ #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ #define PCI_MSI_MASK_64 16 /* Mask bits register for 64-bit devices */ +#define PCI_MSI_PENDING_64 20 /* Pending intrs for 64-bit devices */ /* MSI-X registers */ #define PCI_MSIX_FLAGS 2 @@ -308,6 +315,7 @@ #define PCI_MSIX_TABLE 4 #define PCI_MSIX_PBA 8 #define PCI_MSIX_FLAGS_BIRMASK (7 << 0) +#define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ /* MSI-X entry's format */ #define PCI_MSIX_ENTRY_SIZE 16 @@ -338,6 +346,7 @@ #define PCI_AF_CTRL_FLR 0x01 #define PCI_AF_STATUS 5 #define PCI_AF_STATUS_TP 0x01 +#define PCI_CAP_AF_SIZEOF 6 /* size of AF registers */ /* PCI-X registers */ @@ -374,6 +383,10 @@ #define PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error Msg */ #define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */ #define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */ +#define PCI_X_ECC_CSR 8 /* ECC control and status */ +#define PCI_CAP_PCIX_SIZEOF_V0 8 /* size of registers for Version 0 */ +#define PCI_CAP_PCIX_SIZEOF_V1 24 /* size for Version 1 */ +#define PCI_CAP_PCIX_SIZEOF_V2 PCI_CAP_PCIX_SIZEOF_V1 /* Same for v2 */ /* PCI Bridge Subsystem ID registers */ @@ -462,6 +475,7 @@ #define PCI_EXP_LNKSTA_DLLLA 0x2000 /* Data Link Layer Link Active */ #define PCI_EXP_LNKSTA_LBMS 0x4000 /* Link Bandwidth Management Status */ #define PCI_EXP_LNKSTA_LABS 0x8000 /* Link Autonomous Bandwidth Status */ +#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V1 20 /* v1 endpoints end here */ #define PCI_EXP_SLTCAP 20 /* Slot Capabilities */ #define PCI_EXP_SLTCAP_ABP 0x00000001 /* Attention Button Present */ #define PCI_EXP_SLTCAP_PCP 0x00000002 /* Power Controller Present */ @@ -521,6 +535,7 @@ #define PCI_EXP_OBFF_MSGA_EN 0x2000 /* OBFF enable with Message type A */ #define PCI_EXP_OBFF_MSGB_EN 0x4000 /* OBFF enable with Message type B */ #define PCI_EXP_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */ +#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44 /* v2 endpoints end here */ #define PCI_EXP_LNKCTL2 48 /* Link Control 2 */ #define PCI_EXP_SLTCTL2 56 /* Slot Control 2 */ @@ -529,23 +544,43 @@ #define PCI_EXT_CAP_VER(header) ((header >> 16) & 0xf) #define PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc) -#define PCI_EXT_CAP_ID_ERR 1 -#define PCI_EXT_CAP_ID_VC 2 -#define PCI_EXT_CAP_ID_DSN 3 -#define PCI_EXT_CAP_ID_PWR 4 -#define PCI_EXT_CAP_ID_VNDR 11 -#define PCI_EXT_CAP_ID_ACS 13 -#define PCI_EXT_CAP_ID_ARI 14 -#define PCI_EXT_CAP_ID_ATS 15 -#define PCI_EXT_CAP_ID_SRIOV 16 -#define PCI_EXT_CAP_ID_PRI 19 -#define PCI_EXT_CAP_ID_LTR 24 -#define PCI_EXT_CAP_ID_PASID 27 +#define PCI_EXT_CAP_ID_ERR 0x01 /* Advanced Error Reporting */ +#define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel Capability */ +#define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */ +#define PCI_EXT_CAP_ID_PWR 0x04 /* Power Budgeting */ +#define PCI_EXT_CAP_ID_RCLD 0x05 /* Root Complex Link Declaration */ +#define PCI_EXT_CAP_ID_RCILC 0x06 /* Root Complex Internal Link Control */ +#define PCI_EXT_CAP_ID_RCEC 0x07 /* Root Complex Event Collector */ +#define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function VC Capability */ +#define PCI_EXT_CAP_ID_VC9 0x09 /* same as _VC */ +#define PCI_EXT_CAP_ID_RCRB 0x0A /* Root Complex RB? */ +#define PCI_EXT_CAP_ID_VNDR 0x0B /* Vendor Specific */ +#define PCI_EXT_CAP_ID_CAC 0x0C /* Config Access - obsolete */ +#define PCI_EXT_CAP_ID_ACS 0x0D /* Access Control Services */ +#define PCI_EXT_CAP_ID_ARI 0x0E /* Alternate Routing ID */ +#define PCI_EXT_CAP_ID_ATS 0x0F /* Address Translation Services */ +#define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */ +#define PCI_EXT_CAP_ID_MRIOV 0x11 /* Multi Root I/O Virtualization */ +#define PCI_EXT_CAP_ID_MCAST 0x12 /* Multicast */ +#define PCI_EXT_CAP_ID_PRI 0x13 /* Page Request Interface */ +#define PCI_EXT_CAP_ID_AMD_XXX 0x14 /* reserved for AMD */ +#define PCI_EXT_CAP_ID_REBAR 0x15 /* resizable BAR */ +#define PCI_EXT_CAP_ID_DPA 0x16 /* dynamic power alloc */ +#define PCI_EXT_CAP_ID_TPH 0x17 /* TPH request */ +#define PCI_EXT_CAP_ID_LTR 0x18 /* latency tolerance reporting */ +#define PCI_EXT_CAP_ID_SECPCI 0x19 /* Secondary PCIe */ +#define PCI_EXT_CAP_ID_PMUX 0x1A /* Protocol Multiplexing */ +#define PCI_EXT_CAP_ID_PASID 0x1B /* Process Address Space ID */ +#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PASID + +#define PCI_EXT_CAP_DSN_SIZEOF 12 +#define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40 /* Advanced Error Reporting */ #define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */ #define PCI_ERR_UNC_TRAIN 0x00000001 /* Training */ #define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */ +#define PCI_ERR_UNC_SURPDN 0x00000020 /* Surprise Down */ #define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */ #define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */ #define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */ @@ -555,6 +590,11 @@ #define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */ #define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */ #define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */ +#define PCI_ERR_UNC_ACSV 0x00200000 /* ACS Violation */ +#define PCI_ERR_UNC_INTN 0x00400000 /* internal error */ +#define PCI_ERR_UNC_MCBTLP 0x00800000 /* MC blocked TLP */ +#define PCI_ERR_UNC_ATOMEG 0x01000000 /* Atomic egress blocked */ +#define PCI_ERR_UNC_TLPPRE 0x02000000 /* TLP prefix blocked */ #define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */ /* Same bits as above */ #define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */ @@ -565,6 +605,9 @@ #define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */ #define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */ #define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */ +#define PCI_ERR_COR_ADV_NFAT 0x00002000 /* Advisory Non-Fatal */ +#define PCI_ERR_COR_INTERNAL 0x00004000 /* Corrected Internal */ +#define PCI_ERR_COR_LOG_OVER 0x00008000 /* Header Log Overflow */ #define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */ /* Same bits as above */ #define PCI_ERR_CAP 24 /* Advanced Error Capabilities */ @@ -596,12 +639,18 @@ /* Virtual Channel */ #define PCI_VC_PORT_REG1 4 +#define PCI_VC_REG1_EVCC 0x7 /* extended vc count */ #define PCI_VC_PORT_REG2 8 +#define PCI_VC_REG2_32_PHASE 0x2 +#define PCI_VC_REG2_64_PHASE 0x4 +#define PCI_VC_REG2_128_PHASE 0x8 #define PCI_VC_PORT_CTRL 12 #define PCI_VC_PORT_STATUS 14 #define PCI_VC_RES_CAP 16 #define PCI_VC_RES_CTRL 20 #define PCI_VC_RES_STATUS 26 +#define PCI_CAP_VC_BASE_SIZEOF 0x10 +#define PCI_CAP_VC_PER_VC_SIZEOF 0x0C /* Power Budgeting */ #define PCI_PWR_DSR 4 /* Data Select Register */ @@ -614,6 +663,7 @@ #define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */ #define PCI_PWR_CAP 12 /* Capability */ #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ +#define PCI_EXT_CAP_PWR_SIZEOF 16 /* * Hypertransport sub capability types @@ -646,6 +696,8 @@ #define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */ #define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport configuration */ #define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement configuration */ +#define HT_CAP_SIZEOF_LONG 28 /* slave & primary */ +#define HT_CAP_SIZEOF_SHORT 24 /* host & secondary */ /* Alternative Routing-ID Interpretation */ #define PCI_ARI_CAP 0x04 /* ARI Capability Register */ @@ -656,6 +708,7 @@ #define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */ #define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */ #define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */ +#define PCI_EXT_CAP_ARI_SIZEOF 8 /* Address Translation Service */ #define PCI_ATS_CAP 0x04 /* ATS Capability Register */ @@ -665,6 +718,7 @@ #define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */ #define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */ #define PCI_ATS_MIN_STU 12 /* shift of minimum STU block */ +#define PCI_EXT_CAP_ATS_SIZEOF 8 /* Page Request Interface */ #define PCI_PRI_CTRL 0x04 /* PRI control register */ @@ -676,6 +730,7 @@ #define PCI_PRI_STATUS_STOPPED 0x100 /* PRI Stopped */ #define PCI_PRI_MAX_REQ 0x08 /* PRI max reqs supported */ #define PCI_PRI_ALLOC_REQ 0x0c /* PRI max reqs allowed */ +#define PCI_EXT_CAP_PRI_SIZEOF 16 /* PASID capability */ #define PCI_PASID_CAP 0x04 /* PASID feature register */ @@ -685,6 +740,7 @@ #define PCI_PASID_CTRL_ENABLE 0x01 /* Enable bit */ #define PCI_PASID_CTRL_EXEC 0x02 /* Exec permissions Enable */ #define PCI_PASID_CTRL_PRIV 0x04 /* Priviledge Mode Enable */ +#define PCI_EXT_CAP_PASID_SIZEOF 8 /* Single Root I/O Virtualization */ #define PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */ @@ -716,12 +772,14 @@ #define PCI_SRIOV_VFM_MI 0x1 /* Dormant.MigrateIn */ #define PCI_SRIOV_VFM_MO 0x2 /* Active.MigrateOut */ #define PCI_SRIOV_VFM_AV 0x3 /* Active.Available */ +#define PCI_EXT_CAP_SRIOV_SIZEOF 64 #define PCI_LTR_MAX_SNOOP_LAT 0x4 #define PCI_LTR_MAX_NOSNOOP_LAT 0x6 #define PCI_LTR_VALUE_MASK 0x000003ff #define PCI_LTR_SCALE_MASK 0x00001c00 #define PCI_LTR_SCALE_SHIFT 10 +#define PCI_EXT_CAP_LTR_SIZEOF 8 /* Access Control Service */ #define PCI_ACS_CAP 0x04 /* ACS Capability Register */ @@ -732,7 +790,38 @@ #define PCI_ACS_UF 0x10 /* Upstream Forwarding */ #define PCI_ACS_EC 0x20 /* P2P Egress Control */ #define PCI_ACS_DT 0x40 /* Direct Translated P2P */ +#define PCI_ACS_EGRESS_BITS 0x05 /* ACS Egress Control Vector Size */ #define PCI_ACS_CTRL 0x06 /* ACS Control Register */ #define PCI_ACS_EGRESS_CTL_V 0x08 /* ACS Egress Control Vector */ +#define PCI_VSEC_HDR 4 /* extended cap - vendor specific */ +#define PCI_VSEC_HDR_LEN_SHIFT 20 /* shift for length field */ + +/* sata capability */ +#define PCI_SATA_REGS 4 /* SATA REGs specifier */ +#define PCI_SATA_REGS_MASK 0xF /* location - BAR#/inline */ +#define PCI_SATA_REGS_INLINE 0xF /* REGS in config space */ +#define PCI_SATA_SIZEOF_SHORT 8 +#define PCI_SATA_SIZEOF_LONG 16 + +/* resizable BARs */ +#define PCI_REBAR_CTRL 8 /* control register */ +#define PCI_REBAR_CTRL_NBAR_MASK (7 << 5) /* mask for # bars */ +#define PCI_REBAR_CTRL_NBAR_SHIFT 5 /* shift for # bars */ + +/* dynamic power allocation */ +#define PCI_DPA_CAP 4 /* capability register */ +#define PCI_DPA_CAP_SUBSTATE_MASK 0x1F /* # substates - 1 */ +#define PCI_DPA_BASE_SIZEOF 16 /* size with 0 substates */ + +/* TPH Requester */ +#define PCI_TPH_CAP 4 /* capability register */ +#define PCI_TPH_CAP_LOC_MASK 0x600 /* location mask */ +#define PCI_TPH_LOC_NONE 0x000 /* no location */ +#define PCI_TPH_LOC_CAP 0x200 /* in capability */ +#define PCI_TPH_LOC_MSIX 0x400 /* in MSI-X */ +#define PCI_TPH_CAP_ST_MASK 0x07FF0000 /* st table mask */ +#define PCI_TPH_CAP_ST_SHIFT 16 /* st table shift */ +#define PCI_TPH_BASE_SIZEOF 12 /* size with no st table */ + #endif /* LINUX_PCI_REGS_H */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 26d1a47591f1..9cac722b169c 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -184,7 +184,6 @@ static inline int rcu_preempt_depth(void) /* Internal to kernel */ extern void rcu_sched_qs(int cpu); extern void rcu_bh_qs(int cpu); -extern void rcu_preempt_note_context_switch(void); extern void rcu_check_callbacks(int cpu, int user); struct notifier_block; extern void rcu_idle_enter(void); diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 854dc4c5c271..4e56a9c69a35 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -87,6 +87,10 @@ static inline void kfree_call_rcu(struct rcu_head *head, #ifdef CONFIG_TINY_RCU +static inline void rcu_preempt_note_context_switch(void) +{ +} + static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) { *delta_jiffies = ULONG_MAX; @@ -95,6 +99,7 @@ static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) #else /* #ifdef CONFIG_TINY_RCU */ +void rcu_preempt_note_context_switch(void); int rcu_preempt_needs_cpu(void); static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) @@ -108,6 +113,7 @@ static inline int rcu_needs_cpu(int cpu, unsigned long *delta_jiffies) static inline void rcu_note_context_switch(int cpu) { rcu_sched_qs(cpu); + rcu_preempt_note_context_switch(); } /* diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index a8e50e44203c..82a673905edb 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -38,6 +38,8 @@ #include <linux/types.h> #include <linux/device.h> #include <linux/mod_devicetable.h> +#include <linux/kref.h> +#include <linux/mutex.h> /* The feature bitmap for virtio rpmsg */ #define VIRTIO_RPMSG_F_NS 0 /* RP supports name service notifications */ @@ -120,7 +122,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32); /** * struct rpmsg_endpoint - binds a local rpmsg address to its user * @rpdev: rpmsg channel device + * @refcount: when this drops to zero, the ept is deallocated * @cb: rx callback handler + * @cb_lock: must be taken before accessing/changing @cb * @addr: local rpmsg address * @priv: private data for the driver's use * @@ -140,7 +144,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32); */ struct rpmsg_endpoint { struct rpmsg_channel *rpdev; + struct kref refcount; rpmsg_rx_cb_t cb; + struct mutex cb_lock; u32 addr; void *priv; }; diff --git a/include/linux/sched.h b/include/linux/sched.h index 4059c0f33f07..4a1f493e0fef 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1871,22 +1871,12 @@ static inline void rcu_copy_process(struct task_struct *p) INIT_LIST_HEAD(&p->rcu_node_entry); } -static inline void rcu_switch_from(struct task_struct *prev) -{ - if (prev->rcu_read_lock_nesting != 0) - rcu_preempt_note_context_switch(); -} - #else static inline void rcu_copy_process(struct task_struct *p) { } -static inline void rcu_switch_from(struct task_struct *prev) -{ -} - #endif #ifdef CONFIG_SMP @@ -1909,6 +1899,14 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p, } #endif +#ifdef CONFIG_NO_HZ +void calc_load_enter_idle(void); +void calc_load_exit_idle(void); +#else +static inline void calc_load_enter_idle(void) { } +static inline void calc_load_exit_idle(void) { } +#endif /* CONFIG_NO_HZ */ + #ifndef CONFIG_CPUMASK_OFFSTACK static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask) { diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index d6146b4811c2..95374d1696a1 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -1425,7 +1425,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb) struct nf_conn *ct = nf_ct_get(skb, &ctinfo); if (!ct || !nf_ct_is_untracked(ct)) { - nf_reset(skb); + nf_conntrack_put(skb->nfct); skb->nfct = &nf_ct_untracked_get()->ct_general; skb->nfctinfo = IP_CT_NEW; nf_conntrack_get(skb->nfct); diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h index a88fb6939387..e1ce1048fe5f 100644 --- a/include/net/netfilter/nf_conntrack_ecache.h +++ b/include/net/netfilter/nf_conntrack_ecache.h @@ -78,7 +78,7 @@ nf_conntrack_event_cache(enum ip_conntrack_events event, struct nf_conn *ct) struct net *net = nf_ct_net(ct); struct nf_conntrack_ecache *e; - if (net->ct.nf_conntrack_event_cb == NULL) + if (!rcu_access_pointer(net->ct.nf_conntrack_event_cb)) return; e = nf_ct_ecache_find(ct); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index f4f1c96dca72..10ce74f589c5 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -163,6 +163,8 @@ enum ata_command_set { ATAPI_COMMAND_SET = 1, }; +#define ATA_RESP_FIS_SIZE 24 + struct sata_device { enum ata_command_set command_set; struct smp_resp rps_resp; /* report_phy_sata_resp */ @@ -171,7 +173,7 @@ struct sata_device { struct ata_port *ap; struct ata_host ata_host; - struct ata_taskfile tf; + u8 fis[ATA_RESP_FIS_SIZE]; }; enum { @@ -537,7 +539,7 @@ enum exec_status { */ struct ata_task_resp { u16 frame_len; - u8 ending_fis[24]; /* dev to host or data-in */ + u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */ }; #define SAS_STATUS_BUF_SIZE 96 diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 1e1198546c72..ac06cc595890 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -134,10 +134,16 @@ struct scsi_cmnd { static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) { + struct scsi_driver **sdp; + if (!cmd->request->rq_disk) return NULL; - return *(struct scsi_driver **)cmd->request->rq_disk->private_data; + sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data; + if (!sdp) + return NULL; + + return *sdp; } extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 2097684cf194..b303dfc7dce0 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -901,13 +901,10 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode) mutex_unlock(&cgroup_mutex); /* - * We want to drop the active superblock reference from the - * cgroup creation after all the dentry refs are gone - - * kill_sb gets mighty unhappy otherwise. Mark - * dentry->d_fsdata with cgroup_diput() to tell - * cgroup_d_release() to call deactivate_super(). + * Drop the active superblock reference that we took when we + * created the cgroup */ - dentry->d_fsdata = cgroup_diput; + deactivate_super(cgrp->root->sb); /* * if we're getting rid of the cgroup, refcount should ensure @@ -933,13 +930,6 @@ static int cgroup_delete(const struct dentry *d) return 1; } -static void cgroup_d_release(struct dentry *dentry) -{ - /* did cgroup_diput() tell me to deactivate super? */ - if (dentry->d_fsdata == cgroup_diput) - deactivate_super(dentry->d_sb); -} - static void remove_dir(struct dentry *d) { struct dentry *parent = dget(d->d_parent); @@ -1547,7 +1537,6 @@ static int cgroup_get_rootdir(struct super_block *sb) static const struct dentry_operations cgroup_dops = { .d_iput = cgroup_diput, .d_delete = cgroup_delete, - .d_release = cgroup_d_release, }; struct inode *inode = @@ -3894,8 +3883,12 @@ static void css_dput_fn(struct work_struct *work) { struct cgroup_subsys_state *css = container_of(work, struct cgroup_subsys_state, dput_work); + struct dentry *dentry = css->cgroup->dentry; + struct super_block *sb = dentry->d_sb; - dput(css->cgroup->dentry); + atomic_inc(&sb->s_active); + dput(dentry); + deactivate_super(sb); } static void init_cgroup_css(struct cgroup_subsys_state *css, diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 67b847dfa2bb..1f91413edb87 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -14,6 +14,7 @@ #include <linux/ctype.h> #include <linux/string.h> #include <linux/kernel.h> +#include <linux/kmsg_dump.h> #include <linux/reboot.h> #include <linux/sched.h> #include <linux/sysrq.h> @@ -2040,8 +2041,15 @@ static int kdb_env(int argc, const char **argv) */ static int kdb_dmesg(int argc, const char **argv) { - char *syslog_data[4], *start, *end, c = '\0', *p; - int diag, logging, logsize, lines = 0, adjust = 0, n; + int diag; + int logging; + int lines = 0; + int adjust = 0; + int n = 0; + int skip = 0; + struct kmsg_dumper dumper = { .active = 1 }; + size_t len; + char buf[201]; if (argc > 2) return KDB_ARGCOUNT; @@ -2064,22 +2072,10 @@ static int kdb_dmesg(int argc, const char **argv) kdb_set(2, setargs); } - /* syslog_data[0,1] physical start, end+1. syslog_data[2,3] - * logical start, end+1. */ - kdb_syslog_data(syslog_data); - if (syslog_data[2] == syslog_data[3]) - return 0; - logsize = syslog_data[1] - syslog_data[0]; - start = syslog_data[2]; - end = syslog_data[3]; -#define KDB_WRAP(p) (((p - syslog_data[0]) % logsize) + syslog_data[0]) - for (n = 0, p = start; p < end; ++p) { - c = *KDB_WRAP(p); - if (c == '\n') - ++n; - } - if (c != '\n') - ++n; + kmsg_dump_rewind_nolock(&dumper); + while (kmsg_dump_get_line_nolock(&dumper, 1, NULL, 0, NULL)) + n++; + if (lines < 0) { if (adjust >= n) kdb_printf("buffer only contains %d lines, nothing " @@ -2087,21 +2083,11 @@ static int kdb_dmesg(int argc, const char **argv) else if (adjust - lines >= n) kdb_printf("buffer only contains %d lines, last %d " "lines printed\n", n, n - adjust); - if (adjust) { - for (; start < end && adjust; ++start) { - if (*KDB_WRAP(start) == '\n') - --adjust; - } - if (start < end) - ++start; - } - for (p = start; p < end && lines; ++p) { - if (*KDB_WRAP(p) == '\n') - ++lines; - } - end = p; + skip = adjust; + lines = abs(lines); } else if (lines > 0) { - int skip = n - (adjust + lines); + skip = n - lines - adjust; + lines = abs(lines); if (adjust >= n) { kdb_printf("buffer only contains %d lines, " "nothing printed\n", n); @@ -2112,35 +2098,24 @@ static int kdb_dmesg(int argc, const char **argv) kdb_printf("buffer only contains %d lines, first " "%d lines printed\n", n, lines); } - for (; start < end && skip; ++start) { - if (*KDB_WRAP(start) == '\n') - --skip; - } - for (p = start; p < end && lines; ++p) { - if (*KDB_WRAP(p) == '\n') - --lines; - } - end = p; + } else { + lines = n; } - /* Do a line at a time (max 200 chars) to reduce protocol overhead */ - c = '\n'; - while (start != end) { - char buf[201]; - p = buf; - if (KDB_FLAG(CMD_INTERRUPT)) - return 0; - while (start < end && (c = *KDB_WRAP(start)) && - (p - buf) < sizeof(buf)-1) { - ++start; - *p++ = c; - if (c == '\n') - break; + + if (skip >= n || skip < 0) + return 0; + + kmsg_dump_rewind_nolock(&dumper); + while (kmsg_dump_get_line_nolock(&dumper, 1, buf, sizeof(buf), &len)) { + if (skip) { + skip--; + continue; } - *p = '\0'; - kdb_printf("%s", buf); + if (!lines--) + break; + + kdb_printf("%.*s\n", (int)len - 1, buf); } - if (c != '\n') - kdb_printf("\n"); return 0; } diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h index 47c4e56e513b..392ec6a25844 100644 --- a/kernel/debug/kdb/kdb_private.h +++ b/kernel/debug/kdb/kdb_private.h @@ -205,7 +205,6 @@ extern char kdb_grep_string[]; extern int kdb_grep_leading; extern int kdb_grep_trailing; extern char *kdb_cmds[]; -extern void kdb_syslog_data(char *syslog_data[]); extern unsigned long kdb_task_state_string(const char *); extern char kdb_task_state_char (const struct task_struct *); extern unsigned long kdb_task_state(const struct task_struct *p, diff --git a/kernel/fork.c b/kernel/fork.c index ab5211b9e622..f00e319d8376 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -304,12 +304,17 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) } err = arch_dup_task_struct(tsk, orig); - if (err) - goto out; + /* + * We defer looking at err, because we will need this setup + * for the clean up path to work correctly. + */ tsk->stack = ti; - setup_thread_stack(tsk, orig); + + if (err) + goto out; + clear_user_return_notifier(tsk); clear_tsk_need_resched(tsk); stackend = end_of_stack(tsk); diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index ae34bf51682b..6db7a5ed52b5 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -657,6 +657,14 @@ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer, return 0; } +static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base) +{ + ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset; + ktime_t *offs_boot = &base->clock_base[HRTIMER_BASE_BOOTTIME].offset; + + return ktime_get_update_offsets(offs_real, offs_boot); +} + /* * Retrigger next event is called after clock was set * @@ -665,22 +673,12 @@ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer, static void retrigger_next_event(void *arg) { struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases); - struct timespec realtime_offset, xtim, wtm, sleep; if (!hrtimer_hres_active()) return; - /* Optimized out for !HIGH_RES */ - get_xtime_and_monotonic_and_sleep_offset(&xtim, &wtm, &sleep); - set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec); - - /* Adjust CLOCK_REALTIME offset */ raw_spin_lock(&base->lock); - base->clock_base[HRTIMER_BASE_REALTIME].offset = - timespec_to_ktime(realtime_offset); - base->clock_base[HRTIMER_BASE_BOOTTIME].offset = - timespec_to_ktime(sleep); - + hrtimer_update_base(base); hrtimer_force_reprogram(base, 0); raw_spin_unlock(&base->lock); } @@ -710,13 +708,25 @@ static int hrtimer_switch_to_hres(void) base->clock_base[i].resolution = KTIME_HIGH_RES; tick_setup_sched_timer(); - /* "Retrigger" the interrupt to get things going */ retrigger_next_event(NULL); local_irq_restore(flags); return 1; } +/* + * Called from timekeeping code to reprogramm the hrtimer interrupt + * device. If called from the timer interrupt context we defer it to + * softirq context. + */ +void clock_was_set_delayed(void) +{ + struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases); + + cpu_base->clock_was_set = 1; + __raise_softirq_irqoff(HRTIMER_SOFTIRQ); +} + #else static inline int hrtimer_hres_active(void) { return 0; } @@ -1250,11 +1260,10 @@ void hrtimer_interrupt(struct clock_event_device *dev) cpu_base->nr_events++; dev->next_event.tv64 = KTIME_MAX; - entry_time = now = ktime_get(); + raw_spin_lock(&cpu_base->lock); + entry_time = now = hrtimer_update_base(cpu_base); retry: expires_next.tv64 = KTIME_MAX; - - raw_spin_lock(&cpu_base->lock); /* * We set expires_next to KTIME_MAX here with cpu_base->lock * held to prevent that a timer is enqueued in our queue via @@ -1330,8 +1339,12 @@ retry: * We need to prevent that we loop forever in the hrtimer * interrupt routine. We give it 3 attempts to avoid * overreacting on some spurious event. + * + * Acquire base lock for updating the offsets and retrieving + * the current time. */ - now = ktime_get(); + raw_spin_lock(&cpu_base->lock); + now = hrtimer_update_base(cpu_base); cpu_base->nr_retries++; if (++retries < 3) goto retry; @@ -1343,6 +1356,7 @@ retry: */ cpu_base->nr_hangs++; cpu_base->hang_detected = 1; + raw_spin_unlock(&cpu_base->lock); delta = ktime_sub(now, entry_time); if (delta.tv64 > cpu_base->max_hang_time.tv64) cpu_base->max_hang_time = delta; @@ -1395,6 +1409,13 @@ void hrtimer_peek_ahead_timers(void) static void run_hrtimer_softirq(struct softirq_action *h) { + struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases); + + if (cpu_base->clock_was_set) { + cpu_base->clock_was_set = 0; + clock_was_set(); + } + hrtimer_peek_ahead_timers(); } diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 8b53db38a279..238025f5472e 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -27,7 +27,6 @@ #include <linux/syscore_ops.h> #include <linux/ctype.h> #include <linux/genhd.h> -#include <scsi/scsi_scan.h> #include "power.h" @@ -748,13 +747,6 @@ static int software_resume(void) async_synchronize_full(); } - /* - * We can't depend on SCSI devices being available after loading - * one of their modules until scsi_complete_async_scans() is - * called and the resume device usually is a SCSI one. - */ - scsi_complete_async_scans(); - swsusp_resume_device = name_to_dev_t(resume_file); if (!swsusp_resume_device) { error = -ENODEV; diff --git a/kernel/power/user.c b/kernel/power/user.c index 91b0fd021a95..4ed81e74f86f 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -24,7 +24,6 @@ #include <linux/console.h> #include <linux/cpu.h> #include <linux/freezer.h> -#include <scsi/scsi_scan.h> #include <asm/uaccess.h> @@ -84,7 +83,6 @@ static int snapshot_open(struct inode *inode, struct file *filp) * appear. */ wait_for_device_probe(); - scsi_complete_async_scans(); data->swap = -1; data->mode = O_WRONLY; diff --git a/kernel/printk.c b/kernel/printk.c index dba18211685e..ac4bc9e79465 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -194,8 +194,10 @@ static int console_may_schedule; */ enum log_flags { - LOG_DEFAULT = 0, - LOG_NOCONS = 1, /* already flushed, do not print to console */ + LOG_NOCONS = 1, /* already flushed, do not print to console */ + LOG_NEWLINE = 2, /* text ended with a newline */ + LOG_PREFIX = 4, /* text started with a prefix */ + LOG_CONT = 8, /* text is a fragment of a continuation line */ }; struct log { @@ -217,6 +219,8 @@ static DEFINE_RAW_SPINLOCK(logbuf_lock); /* the next printk record to read by syslog(READ) or /proc/kmsg */ static u64 syslog_seq; static u32 syslog_idx; +static enum log_flags syslog_prev; +static size_t syslog_partial; /* index and sequence number of the first record stored in the buffer */ static u64 log_first_seq; @@ -430,20 +434,20 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, ret = mutex_lock_interruptible(&user->lock); if (ret) return ret; - raw_spin_lock(&logbuf_lock); + raw_spin_lock_irq(&logbuf_lock); while (user->seq == log_next_seq) { if (file->f_flags & O_NONBLOCK) { ret = -EAGAIN; - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); goto out; } - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); ret = wait_event_interruptible(log_wait, user->seq != log_next_seq); if (ret) goto out; - raw_spin_lock(&logbuf_lock); + raw_spin_lock_irq(&logbuf_lock); } if (user->seq < log_first_seq) { @@ -451,7 +455,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, user->idx = log_first_idx; user->seq = log_first_seq; ret = -EPIPE; - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); goto out; } @@ -465,7 +469,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, for (i = 0; i < msg->text_len; i++) { unsigned char c = log_text(msg)[i]; - if (c < ' ' || c >= 128) + if (c < ' ' || c >= 127 || c == '\\') len += sprintf(user->buf + len, "\\x%02x", c); else user->buf[len++] = c; @@ -489,7 +493,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, continue; } - if (c < ' ' || c >= 128) { + if (c < ' ' || c >= 127 || c == '\\') { len += sprintf(user->buf + len, "\\x%02x", c); continue; } @@ -501,7 +505,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, user->idx = log_next(user->idx); user->seq++; - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); if (len > count) { ret = -EINVAL; @@ -528,7 +532,7 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) if (offset) return -ESPIPE; - raw_spin_lock(&logbuf_lock); + raw_spin_lock_irq(&logbuf_lock); switch (whence) { case SEEK_SET: /* the first record */ @@ -552,7 +556,7 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) default: ret = -EINVAL; } - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); return ret; } @@ -566,14 +570,14 @@ static unsigned int devkmsg_poll(struct file *file, poll_table *wait) poll_wait(file, &log_wait, wait); - raw_spin_lock(&logbuf_lock); + raw_spin_lock_irq(&logbuf_lock); if (user->seq < log_next_seq) { /* return error when data has vanished underneath us */ if (user->seq < log_first_seq) ret = POLLIN|POLLRDNORM|POLLERR|POLLPRI; ret = POLLIN|POLLRDNORM; } - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); return ret; } @@ -597,10 +601,10 @@ static int devkmsg_open(struct inode *inode, struct file *file) mutex_init(&user->lock); - raw_spin_lock(&logbuf_lock); + raw_spin_lock_irq(&logbuf_lock); user->idx = log_first_idx; user->seq = log_first_seq; - raw_spin_unlock(&logbuf_lock); + raw_spin_unlock_irq(&logbuf_lock); file->private_data = user; return 0; @@ -818,15 +822,18 @@ static size_t print_time(u64 ts, char *buf) static size_t print_prefix(const struct log *msg, bool syslog, char *buf) { size_t len = 0; + unsigned int prefix = (msg->facility << 3) | msg->level; if (syslog) { if (buf) { - len += sprintf(buf, "<%u>", msg->level); + len += sprintf(buf, "<%u>", prefix); } else { len += 3; - if (msg->level > 9) - len++; - if (msg->level > 99) + if (prefix > 999) + len += 3; + else if (prefix > 99) + len += 2; + else if (prefix > 9) len++; } } @@ -835,13 +842,26 @@ static size_t print_prefix(const struct log *msg, bool syslog, char *buf) return len; } -static size_t msg_print_text(const struct log *msg, bool syslog, - char *buf, size_t size) +static size_t msg_print_text(const struct log *msg, enum log_flags prev, + bool syslog, char *buf, size_t size) { const char *text = log_text(msg); size_t text_size = msg->text_len; + bool prefix = true; + bool newline = true; size_t len = 0; + if ((prev & LOG_CONT) && !(msg->flags & LOG_PREFIX)) + prefix = false; + + if (msg->flags & LOG_CONT) { + if ((prev & LOG_CONT) && !(prev & LOG_NEWLINE)) + prefix = false; + + if (!(msg->flags & LOG_NEWLINE)) + newline = false; + } + do { const char *next = memchr(text, '\n', text_size); size_t text_len; @@ -859,16 +879,22 @@ static size_t msg_print_text(const struct log *msg, bool syslog, text_len + 1>= size - len) break; - len += print_prefix(msg, syslog, buf + len); + if (prefix) + len += print_prefix(msg, syslog, buf + len); memcpy(buf + len, text, text_len); len += text_len; - buf[len++] = '\n'; + if (next || newline) + buf[len++] = '\n'; } else { /* SYSLOG_ACTION_* buffer size only calculation */ - len += print_prefix(msg, syslog, NULL); - len += text_len + 1; + if (prefix) + len += print_prefix(msg, syslog, NULL); + len += text_len; + if (next || newline) + len++; } + prefix = true; text = next; } while (text); @@ -887,22 +913,35 @@ static int syslog_print(char __user *buf, int size) while (size > 0) { size_t n; + size_t skip; raw_spin_lock_irq(&logbuf_lock); if (syslog_seq < log_first_seq) { /* messages are gone, move to first one */ syslog_seq = log_first_seq; syslog_idx = log_first_idx; + syslog_prev = 0; + syslog_partial = 0; } if (syslog_seq == log_next_seq) { raw_spin_unlock_irq(&logbuf_lock); break; } + + skip = syslog_partial; msg = log_from_idx(syslog_idx); - n = msg_print_text(msg, true, text, LOG_LINE_MAX); - if (n <= size) { + n = msg_print_text(msg, syslog_prev, true, text, LOG_LINE_MAX); + if (n - syslog_partial <= size) { + /* message fits into buffer, move forward */ syslog_idx = log_next(syslog_idx); syslog_seq++; + syslog_prev = msg->flags; + n -= syslog_partial; + syslog_partial = 0; + } else if (!len){ + /* partial read(), remember position */ + n = size; + syslog_partial += n; } else n = 0; raw_spin_unlock_irq(&logbuf_lock); @@ -910,17 +949,15 @@ static int syslog_print(char __user *buf, int size) if (!n) break; - len += n; - size -= n; - buf += n; - n = copy_to_user(buf - n, text, n); - - if (n) { - len -= n; + if (copy_to_user(buf, text + skip, n)) { if (!len) len = -EFAULT; break; } + + len += n; + size -= n; + buf += n; } kfree(text); @@ -941,6 +978,7 @@ static int syslog_print_all(char __user *buf, int size, bool clear) u64 next_seq; u64 seq; u32 idx; + enum log_flags prev; if (clear_seq < log_first_seq) { /* messages are gone, move to first available one */ @@ -954,10 +992,11 @@ static int syslog_print_all(char __user *buf, int size, bool clear) */ seq = clear_seq; idx = clear_idx; + prev = 0; while (seq < log_next_seq) { struct log *msg = log_from_idx(idx); - len += msg_print_text(msg, true, NULL, 0); + len += msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); seq++; } @@ -965,10 +1004,11 @@ static int syslog_print_all(char __user *buf, int size, bool clear) /* move first record forward until length fits into the buffer */ seq = clear_seq; idx = clear_idx; + prev = 0; while (len > size && seq < log_next_seq) { struct log *msg = log_from_idx(idx); - len -= msg_print_text(msg, true, NULL, 0); + len -= msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); seq++; } @@ -977,17 +1017,19 @@ static int syslog_print_all(char __user *buf, int size, bool clear) next_seq = log_next_seq; len = 0; + prev = 0; while (len >= 0 && seq < next_seq) { struct log *msg = log_from_idx(idx); int textlen; - textlen = msg_print_text(msg, true, text, LOG_LINE_MAX); + textlen = msg_print_text(msg, prev, true, text, LOG_LINE_MAX); if (textlen < 0) { len = textlen; break; } idx = log_next(idx); seq++; + prev = msg->flags; raw_spin_unlock_irq(&logbuf_lock); if (copy_to_user(buf + len, text, textlen)) @@ -1000,6 +1042,7 @@ static int syslog_print_all(char __user *buf, int size, bool clear) /* messages are gone, move to next one */ seq = log_first_seq; idx = log_first_idx; + prev = 0; } } } @@ -1018,7 +1061,6 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) { bool clear = false; static int saved_console_loglevel = -1; - static DEFINE_MUTEX(syslog_mutex); int error; error = check_syslog_permissions(type, from_file); @@ -1045,17 +1087,11 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) error = -EFAULT; goto out; } - error = mutex_lock_interruptible(&syslog_mutex); - if (error) - goto out; error = wait_event_interruptible(log_wait, syslog_seq != log_next_seq); - if (error) { - mutex_unlock(&syslog_mutex); + if (error) goto out; - } error = syslog_print(buf, len); - mutex_unlock(&syslog_mutex); break; /* Read/clear last kernel messages */ case SYSLOG_ACTION_READ_CLEAR: @@ -1111,6 +1147,8 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) /* messages are gone, move to first one */ syslog_seq = log_first_seq; syslog_idx = log_first_idx; + syslog_prev = 0; + syslog_partial = 0; } if (from_file) { /* @@ -1120,19 +1158,20 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) */ error = log_next_idx - syslog_idx; } else { - u64 seq; - u32 idx; + u64 seq = syslog_seq; + u32 idx = syslog_idx; + enum log_flags prev = syslog_prev; error = 0; - seq = syslog_seq; - idx = syslog_idx; while (seq < log_next_seq) { struct log *msg = log_from_idx(idx); - error += msg_print_text(msg, true, NULL, 0); + error += msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); seq++; + prev = msg->flags; } + error -= syslog_partial; } raw_spin_unlock_irq(&logbuf_lock); break; @@ -1153,21 +1192,6 @@ SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len) return do_syslog(type, buf, len, SYSLOG_FROM_CALL); } -#ifdef CONFIG_KGDB_KDB -/* kdb dmesg command needs access to the syslog buffer. do_syslog() - * uses locks so it cannot be used during debugging. Just tell kdb - * where the start and end of the physical and logical logs are. This - * is equivalent to do_syslog(3). - */ -void kdb_syslog_data(char *syslog_data[4]) -{ - syslog_data[0] = log_buf; - syslog_data[1] = log_buf + log_buf_len; - syslog_data[2] = log_buf + log_first_idx; - syslog_data[3] = log_buf + log_next_idx; -} -#endif /* CONFIG_KGDB_KDB */ - static bool __read_mostly ignore_loglevel; static int __init ignore_loglevel_setup(char *str) @@ -1400,10 +1424,9 @@ asmlinkage int vprintk_emit(int facility, int level, static char textbuf[LOG_LINE_MAX]; char *text = textbuf; size_t text_len; + enum log_flags lflags = 0; unsigned long flags; int this_cpu; - bool newline = false; - bool prefix = false; int printed_len = 0; boot_delay_msec(); @@ -1442,7 +1465,7 @@ asmlinkage int vprintk_emit(int facility, int level, recursion_bug = 0; printed_len += strlen(recursion_msg); /* emit KERN_CRIT message */ - log_store(0, 2, LOG_DEFAULT, 0, + log_store(0, 2, LOG_PREFIX|LOG_NEWLINE, 0, NULL, 0, recursion_msg, printed_len); } @@ -1455,7 +1478,7 @@ asmlinkage int vprintk_emit(int facility, int level, /* mark and strip a trailing newline */ if (text_len && text[text_len-1] == '\n') { text_len--; - newline = true; + lflags |= LOG_NEWLINE; } /* strip syslog prefix and extract log level or control flags */ @@ -1465,7 +1488,7 @@ asmlinkage int vprintk_emit(int facility, int level, if (level == -1) level = text[1] - '0'; case 'd': /* KERN_DEFAULT */ - prefix = true; + lflags |= LOG_PREFIX; case 'c': /* KERN_CONT */ text += 3; text_len -= 3; @@ -1475,22 +1498,20 @@ asmlinkage int vprintk_emit(int facility, int level, if (level == -1) level = default_message_loglevel; - if (dict) { - prefix = true; - newline = true; - } + if (dict) + lflags |= LOG_PREFIX|LOG_NEWLINE; - if (!newline) { + if (!(lflags & LOG_NEWLINE)) { /* * Flush the conflicting buffer. An earlier newline was missing, * or another task also prints continuation lines. */ - if (cont.len && (prefix || cont.owner != current)) + if (cont.len && (lflags & LOG_PREFIX || cont.owner != current)) cont_flush(); /* buffer line if possible, otherwise store it right away */ if (!cont_add(facility, level, text, text_len)) - log_store(facility, level, LOG_DEFAULT, 0, + log_store(facility, level, lflags | LOG_CONT, 0, dict, dictlen, text, text_len); } else { bool stored = false; @@ -1502,13 +1523,13 @@ asmlinkage int vprintk_emit(int facility, int level, * flush it out and store this line separately. */ if (cont.len && cont.owner == current) { - if (!prefix) + if (!(lflags & LOG_PREFIX)) stored = cont_add(facility, level, text, text_len); cont_flush(); } if (!stored) - log_store(facility, level, LOG_DEFAULT, 0, + log_store(facility, level, lflags, 0, dict, dictlen, text, text_len); } printed_len += text_len; @@ -1607,8 +1628,8 @@ static struct cont { static struct log *log_from_idx(u32 idx) { return NULL; } static u32 log_next(u32 idx) { return 0; } static void call_console_drivers(int level, const char *text, size_t len) {} -static size_t msg_print_text(const struct log *msg, bool syslog, - char *buf, size_t size) { return 0; } +static size_t msg_print_text(const struct log *msg, enum log_flags prev, + bool syslog, char *buf, size_t size) { return 0; } static size_t cont_print_text(char *text, size_t size) { return 0; } #endif /* CONFIG_PRINTK */ @@ -1884,6 +1905,7 @@ void wake_up_klogd(void) /* the next printk record to write to the console */ static u64 console_seq; static u32 console_idx; +static enum log_flags console_prev; /** * console_unlock - unlock the console system @@ -1944,6 +1966,7 @@ again: /* messages are gone, move to first one */ console_seq = log_first_seq; console_idx = log_first_idx; + console_prev = 0; } skip: if (console_seq == log_next_seq) @@ -1957,14 +1980,21 @@ skip: */ console_idx = log_next(console_idx); console_seq++; + /* + * We will get here again when we register a new + * CON_PRINTBUFFER console. Clear the flag so we + * will properly dump everything later. + */ + msg->flags &= ~LOG_NOCONS; goto skip; } level = msg->level; - len = msg_print_text(msg, false, text, sizeof(text)); - + len = msg_print_text(msg, console_prev, false, + text, sizeof(text)); console_idx = log_next(console_idx); console_seq++; + console_prev = msg->flags; raw_spin_unlock(&logbuf_lock); stop_critical_timings(); /* don't trace print latency */ @@ -2227,6 +2257,7 @@ void register_console(struct console *newcon) raw_spin_lock_irqsave(&logbuf_lock, flags); console_seq = syslog_seq; console_idx = syslog_idx; + console_prev = syslog_prev; raw_spin_unlock_irqrestore(&logbuf_lock, flags); /* * We're about to replay the log buffer. Only do this to the @@ -2479,7 +2510,7 @@ void kmsg_dump(enum kmsg_dump_reason reason) } /** - * kmsg_dump_get_line - retrieve one kmsg log line + * kmsg_dump_get_line_nolock - retrieve one kmsg log line (unlocked version) * @dumper: registered kmsg dumper * @syslog: include the "<4>" prefixes * @line: buffer to copy the line to @@ -2494,11 +2525,12 @@ void kmsg_dump(enum kmsg_dump_reason reason) * * A return value of FALSE indicates that there are no more records to * read. + * + * The function is similar to kmsg_dump_get_line(), but grabs no locks. */ -bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, - char *line, size_t size, size_t *len) +bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog, + char *line, size_t size, size_t *len) { - unsigned long flags; struct log *msg; size_t l = 0; bool ret = false; @@ -2506,7 +2538,6 @@ bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, if (!dumper->active) goto out; - raw_spin_lock_irqsave(&logbuf_lock, flags); if (dumper->cur_seq < log_first_seq) { /* messages are gone, move to first available one */ dumper->cur_seq = log_first_seq; @@ -2514,24 +2545,50 @@ bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, } /* last entry */ - if (dumper->cur_seq >= log_next_seq) { - raw_spin_unlock_irqrestore(&logbuf_lock, flags); + if (dumper->cur_seq >= log_next_seq) goto out; - } msg = log_from_idx(dumper->cur_idx); - l = msg_print_text(msg, syslog, - line, size); + l = msg_print_text(msg, 0, syslog, line, size); dumper->cur_idx = log_next(dumper->cur_idx); dumper->cur_seq++; ret = true; - raw_spin_unlock_irqrestore(&logbuf_lock, flags); out: if (len) *len = l; return ret; } + +/** + * kmsg_dump_get_line - retrieve one kmsg log line + * @dumper: registered kmsg dumper + * @syslog: include the "<4>" prefixes + * @line: buffer to copy the line to + * @size: maximum size of the buffer + * @len: length of line placed into buffer + * + * Start at the beginning of the kmsg buffer, with the oldest kmsg + * record, and copy one record into the provided buffer. + * + * Consecutive calls will return the next available record moving + * towards the end of the buffer with the youngest messages. + * + * A return value of FALSE indicates that there are no more records to + * read. + */ +bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, + char *line, size_t size, size_t *len) +{ + unsigned long flags; + bool ret; + + raw_spin_lock_irqsave(&logbuf_lock, flags); + ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len); + raw_spin_unlock_irqrestore(&logbuf_lock, flags); + + return ret; +} EXPORT_SYMBOL_GPL(kmsg_dump_get_line); /** @@ -2561,6 +2618,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, u32 idx; u64 next_seq; u32 next_idx; + enum log_flags prev; size_t l = 0; bool ret = false; @@ -2583,23 +2641,27 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, /* calculate length of entire buffer */ seq = dumper->cur_seq; idx = dumper->cur_idx; + prev = 0; while (seq < dumper->next_seq) { struct log *msg = log_from_idx(idx); - l += msg_print_text(msg, true, NULL, 0); + l += msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); seq++; + prev = msg->flags; } /* move first record forward until length fits into the buffer */ seq = dumper->cur_seq; idx = dumper->cur_idx; + prev = 0; while (l > size && seq < dumper->next_seq) { struct log *msg = log_from_idx(idx); - l -= msg_print_text(msg, true, NULL, 0); + l -= msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); seq++; + prev = msg->flags; } /* last message in next interation */ @@ -2607,14 +2669,14 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, next_idx = idx; l = 0; + prev = 0; while (seq < dumper->next_seq) { struct log *msg = log_from_idx(idx); - l += msg_print_text(msg, syslog, - buf + l, size - l); - + l += msg_print_text(msg, prev, syslog, buf + l, size - l); idx = log_next(idx); seq++; + prev = msg->flags; } dumper->next_seq = next_seq; @@ -2629,6 +2691,24 @@ out: EXPORT_SYMBOL_GPL(kmsg_dump_get_buffer); /** + * kmsg_dump_rewind_nolock - reset the interator (unlocked version) + * @dumper: registered kmsg dumper + * + * Reset the dumper's iterator so that kmsg_dump_get_line() and + * kmsg_dump_get_buffer() can be called again and used multiple + * times within the same dumper.dump() callback. + * + * The function is similar to kmsg_dump_rewind(), but grabs no locks. + */ +void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper) +{ + dumper->cur_seq = clear_seq; + dumper->cur_idx = clear_idx; + dumper->next_seq = log_next_seq; + dumper->next_idx = log_next_idx; +} + +/** * kmsg_dump_rewind - reset the interator * @dumper: registered kmsg dumper * @@ -2641,10 +2721,7 @@ void kmsg_dump_rewind(struct kmsg_dumper *dumper) unsigned long flags; raw_spin_lock_irqsave(&logbuf_lock, flags); - dumper->cur_seq = clear_seq; - dumper->cur_idx = clear_idx; - dumper->next_seq = log_next_seq; - dumper->next_idx = log_next_idx; + kmsg_dump_rewind_nolock(dumper); raw_spin_unlock_irqrestore(&logbuf_lock, flags); } EXPORT_SYMBOL_GPL(kmsg_dump_rewind); diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 38ecdda3f55f..4b97bba7396e 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -201,6 +201,7 @@ void rcu_note_context_switch(int cpu) { trace_rcu_utilization("Start context switch"); rcu_sched_qs(cpu); + rcu_preempt_note_context_switch(cpu); trace_rcu_utilization("End context switch"); } EXPORT_SYMBOL_GPL(rcu_note_context_switch); diff --git a/kernel/rcutree.h b/kernel/rcutree.h index ea056495783e..19b61ac1079f 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -444,6 +444,7 @@ DECLARE_PER_CPU(char, rcu_cpu_has_work); /* Forward declarations for rcutree_plugin.h */ static void rcu_bootup_announce(void); long rcu_batches_completed(void); +static void rcu_preempt_note_context_switch(int cpu); static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp); #ifdef CONFIG_HOTPLUG_CPU static void rcu_report_unblock_qs_rnp(struct rcu_node *rnp, diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index 5271a020887e..3e4899459f3d 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -153,7 +153,7 @@ static void rcu_preempt_qs(int cpu) * * Caller must disable preemption. */ -void rcu_preempt_note_context_switch(void) +static void rcu_preempt_note_context_switch(int cpu) { struct task_struct *t = current; unsigned long flags; @@ -164,7 +164,7 @@ void rcu_preempt_note_context_switch(void) (t->rcu_read_unlock_special & RCU_READ_UNLOCK_BLOCKED) == 0) { /* Possibly blocking in an RCU read-side critical section. */ - rdp = __this_cpu_ptr(rcu_preempt_state.rda); + rdp = per_cpu_ptr(rcu_preempt_state.rda, cpu); rnp = rdp->mynode; raw_spin_lock_irqsave(&rnp->lock, flags); t->rcu_read_unlock_special |= RCU_READ_UNLOCK_BLOCKED; @@ -228,7 +228,7 @@ void rcu_preempt_note_context_switch(void) * means that we continue to block the current grace period. */ local_irq_save(flags); - rcu_preempt_qs(smp_processor_id()); + rcu_preempt_qs(cpu); local_irq_restore(flags); } @@ -1002,6 +1002,14 @@ void rcu_force_quiescent_state(void) EXPORT_SYMBOL_GPL(rcu_force_quiescent_state); /* + * Because preemptible RCU does not exist, we never have to check for + * CPUs being in quiescent states. + */ +static void rcu_preempt_note_context_switch(int cpu) +{ +} + +/* * Because preemptible RCU does not exist, there are never any preempted * RCU readers. */ diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d5594a4268d4..468bdd44c1ba 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2081,7 +2081,6 @@ context_switch(struct rq *rq, struct task_struct *prev, #endif /* Here we just switch the register state and the stack. */ - rcu_switch_from(prev); switch_to(prev, next, prev); barrier(); @@ -2161,11 +2160,73 @@ unsigned long this_cpu_load(void) } +/* + * Global load-average calculations + * + * We take a distributed and async approach to calculating the global load-avg + * in order to minimize overhead. + * + * The global load average is an exponentially decaying average of nr_running + + * nr_uninterruptible. + * + * Once every LOAD_FREQ: + * + * nr_active = 0; + * for_each_possible_cpu(cpu) + * nr_active += cpu_of(cpu)->nr_running + cpu_of(cpu)->nr_uninterruptible; + * + * avenrun[n] = avenrun[0] * exp_n + nr_active * (1 - exp_n) + * + * Due to a number of reasons the above turns in the mess below: + * + * - for_each_possible_cpu() is prohibitively expensive on machines with + * serious number of cpus, therefore we need to take a distributed approach + * to calculating nr_active. + * + * \Sum_i x_i(t) = \Sum_i x_i(t) - x_i(t_0) | x_i(t_0) := 0 + * = \Sum_i { \Sum_j=1 x_i(t_j) - x_i(t_j-1) } + * + * So assuming nr_active := 0 when we start out -- true per definition, we + * can simply take per-cpu deltas and fold those into a global accumulate + * to obtain the same result. See calc_load_fold_active(). + * + * Furthermore, in order to avoid synchronizing all per-cpu delta folding + * across the machine, we assume 10 ticks is sufficient time for every + * cpu to have completed this task. + * + * This places an upper-bound on the IRQ-off latency of the machine. Then + * again, being late doesn't loose the delta, just wrecks the sample. + * + * - cpu_rq()->nr_uninterruptible isn't accurately tracked per-cpu because + * this would add another cross-cpu cacheline miss and atomic operation + * to the wakeup path. Instead we increment on whatever cpu the task ran + * when it went into uninterruptible state and decrement on whatever cpu + * did the wakeup. This means that only the sum of nr_uninterruptible over + * all cpus yields the correct result. + * + * This covers the NO_HZ=n code, for extra head-aches, see the comment below. + */ + /* Variables and functions for calc_load */ static atomic_long_t calc_load_tasks; static unsigned long calc_load_update; unsigned long avenrun[3]; -EXPORT_SYMBOL(avenrun); +EXPORT_SYMBOL(avenrun); /* should be removed */ + +/** + * get_avenrun - get the load average array + * @loads: pointer to dest load array + * @offset: offset to add + * @shift: shift count to shift the result left + * + * These values are estimates at best, so no need for locking. + */ +void get_avenrun(unsigned long *loads, unsigned long offset, int shift) +{ + loads[0] = (avenrun[0] + offset) << shift; + loads[1] = (avenrun[1] + offset) << shift; + loads[2] = (avenrun[2] + offset) << shift; +} static long calc_load_fold_active(struct rq *this_rq) { @@ -2182,6 +2243,9 @@ static long calc_load_fold_active(struct rq *this_rq) return delta; } +/* + * a1 = a0 * e + a * (1 - e) + */ static unsigned long calc_load(unsigned long load, unsigned long exp, unsigned long active) { @@ -2193,30 +2257,118 @@ calc_load(unsigned long load, unsigned long exp, unsigned long active) #ifdef CONFIG_NO_HZ /* - * For NO_HZ we delay the active fold to the next LOAD_FREQ update. + * Handle NO_HZ for the global load-average. + * + * Since the above described distributed algorithm to compute the global + * load-average relies on per-cpu sampling from the tick, it is affected by + * NO_HZ. + * + * The basic idea is to fold the nr_active delta into a global idle-delta upon + * entering NO_HZ state such that we can include this as an 'extra' cpu delta + * when we read the global state. + * + * Obviously reality has to ruin such a delightfully simple scheme: + * + * - When we go NO_HZ idle during the window, we can negate our sample + * contribution, causing under-accounting. + * + * We avoid this by keeping two idle-delta counters and flipping them + * when the window starts, thus separating old and new NO_HZ load. + * + * The only trick is the slight shift in index flip for read vs write. + * + * 0s 5s 10s 15s + * +10 +10 +10 +10 + * |-|-----------|-|-----------|-|-----------|-| + * r:0 0 1 1 0 0 1 1 0 + * w:0 1 1 0 0 1 1 0 0 + * + * This ensures we'll fold the old idle contribution in this window while + * accumlating the new one. + * + * - When we wake up from NO_HZ idle during the window, we push up our + * contribution, since we effectively move our sample point to a known + * busy state. + * + * This is solved by pushing the window forward, and thus skipping the + * sample, for this cpu (effectively using the idle-delta for this cpu which + * was in effect at the time the window opened). This also solves the issue + * of having to deal with a cpu having been in NOHZ idle for multiple + * LOAD_FREQ intervals. * * When making the ILB scale, we should try to pull this in as well. */ -static atomic_long_t calc_load_tasks_idle; +static atomic_long_t calc_load_idle[2]; +static int calc_load_idx; -void calc_load_account_idle(struct rq *this_rq) +static inline int calc_load_write_idx(void) { + int idx = calc_load_idx; + + /* + * See calc_global_nohz(), if we observe the new index, we also + * need to observe the new update time. + */ + smp_rmb(); + + /* + * If the folding window started, make sure we start writing in the + * next idle-delta. + */ + if (!time_before(jiffies, calc_load_update)) + idx++; + + return idx & 1; +} + +static inline int calc_load_read_idx(void) +{ + return calc_load_idx & 1; +} + +void calc_load_enter_idle(void) +{ + struct rq *this_rq = this_rq(); long delta; + /* + * We're going into NOHZ mode, if there's any pending delta, fold it + * into the pending idle delta. + */ delta = calc_load_fold_active(this_rq); - if (delta) - atomic_long_add(delta, &calc_load_tasks_idle); + if (delta) { + int idx = calc_load_write_idx(); + atomic_long_add(delta, &calc_load_idle[idx]); + } } -static long calc_load_fold_idle(void) +void calc_load_exit_idle(void) { - long delta = 0; + struct rq *this_rq = this_rq(); + + /* + * If we're still before the sample window, we're done. + */ + if (time_before(jiffies, this_rq->calc_load_update)) + return; /* - * Its got a race, we don't care... + * We woke inside or after the sample window, this means we're already + * accounted through the nohz accounting, so skip the entire deal and + * sync up for the next window. */ - if (atomic_long_read(&calc_load_tasks_idle)) - delta = atomic_long_xchg(&calc_load_tasks_idle, 0); + this_rq->calc_load_update = calc_load_update; + if (time_before(jiffies, this_rq->calc_load_update + 10)) + this_rq->calc_load_update += LOAD_FREQ; +} + +static long calc_load_fold_idle(void) +{ + int idx = calc_load_read_idx(); + long delta = 0; + + if (atomic_long_read(&calc_load_idle[idx])) + delta = atomic_long_xchg(&calc_load_idle[idx], 0); return delta; } @@ -2302,66 +2454,39 @@ static void calc_global_nohz(void) { long delta, active, n; - /* - * If we crossed a calc_load_update boundary, make sure to fold - * any pending idle changes, the respective CPUs might have - * missed the tick driven calc_load_account_active() update - * due to NO_HZ. - */ - delta = calc_load_fold_idle(); - if (delta) - atomic_long_add(delta, &calc_load_tasks); - - /* - * It could be the one fold was all it took, we done! - */ - if (time_before(jiffies, calc_load_update + 10)) - return; - - /* - * Catch-up, fold however many we are behind still - */ - delta = jiffies - calc_load_update - 10; - n = 1 + (delta / LOAD_FREQ); + if (!time_before(jiffies, calc_load_update + 10)) { + /* + * Catch-up, fold however many we are behind still + */ + delta = jiffies - calc_load_update - 10; + n = 1 + (delta / LOAD_FREQ); - active = atomic_long_read(&calc_load_tasks); - active = active > 0 ? active * FIXED_1 : 0; + active = atomic_long_read(&calc_load_tasks); + active = active > 0 ? active * FIXED_1 : 0; - avenrun[0] = calc_load_n(avenrun[0], EXP_1, active, n); - avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n); - avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n); + avenrun[0] = calc_load_n(avenrun[0], EXP_1, active, n); + avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n); + avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n); - calc_load_update += n * LOAD_FREQ; -} -#else -void calc_load_account_idle(struct rq *this_rq) -{ -} + calc_load_update += n * LOAD_FREQ; + } -static inline long calc_load_fold_idle(void) -{ - return 0; + /* + * Flip the idle index... + * + * Make sure we first write the new time then flip the index, so that + * calc_load_write_idx() will see the new time when it reads the new + * index, this avoids a double flip messing things up. + */ + smp_wmb(); + calc_load_idx++; } +#else /* !CONFIG_NO_HZ */ -static void calc_global_nohz(void) -{ -} -#endif +static inline long calc_load_fold_idle(void) { return 0; } +static inline void calc_global_nohz(void) { } -/** - * get_avenrun - get the load average array - * @loads: pointer to dest load array - * @offset: offset to add - * @shift: shift count to shift the result left - * - * These values are estimates at best, so no need for locking. - */ -void get_avenrun(unsigned long *loads, unsigned long offset, int shift) -{ - loads[0] = (avenrun[0] + offset) << shift; - loads[1] = (avenrun[1] + offset) << shift; - loads[2] = (avenrun[2] + offset) << shift; -} +#endif /* CONFIG_NO_HZ */ /* * calc_load - update the avenrun load estimates 10 ticks after the @@ -2369,11 +2494,18 @@ void get_avenrun(unsigned long *loads, unsigned long offset, int shift) */ void calc_global_load(unsigned long ticks) { - long active; + long active, delta; if (time_before(jiffies, calc_load_update + 10)) return; + /* + * Fold the 'old' idle-delta to include all NO_HZ cpus. + */ + delta = calc_load_fold_idle(); + if (delta) + atomic_long_add(delta, &calc_load_tasks); + active = atomic_long_read(&calc_load_tasks); active = active > 0 ? active * FIXED_1 : 0; @@ -2384,12 +2516,7 @@ void calc_global_load(unsigned long ticks) calc_load_update += LOAD_FREQ; /* - * Account one period with whatever state we found before - * folding in the nohz state and ageing the entire idle period. - * - * This avoids loosing a sample when we go idle between - * calc_load_account_active() (10 ticks ago) and now and thus - * under-accounting. + * In case we idled for multiple LOAD_FREQ intervals, catch up in bulk. */ calc_global_nohz(); } @@ -2406,7 +2533,6 @@ static void calc_load_account_active(struct rq *this_rq) return; delta = calc_load_fold_active(this_rq); - delta += calc_load_fold_idle(); if (delta) atomic_long_add(delta, &calc_load_tasks); @@ -2414,6 +2540,10 @@ static void calc_load_account_active(struct rq *this_rq) } /* + * End of global load-average stuff + */ + +/* * The exact cpuload at various idx values, calculated at every tick would be * load = (2^idx - 1) / 2^idx * load + 1 / 2^idx * cur_load * diff --git a/kernel/sched/idle_task.c b/kernel/sched/idle_task.c index b44d604b35d1..b6baf370cae9 100644 --- a/kernel/sched/idle_task.c +++ b/kernel/sched/idle_task.c @@ -25,7 +25,6 @@ static void check_preempt_curr_idle(struct rq *rq, struct task_struct *p, int fl static struct task_struct *pick_next_task_idle(struct rq *rq) { schedstat_inc(rq, sched_goidle); - calc_load_account_idle(rq); return rq->idle; } diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 6d52cea7f33d..55844f24435a 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -942,8 +942,6 @@ static inline u64 sched_avg_period(void) return (u64)sysctl_sched_time_avg * NSEC_PER_MSEC / 2; } -void calc_load_account_idle(struct rq *this_rq); - #ifdef CONFIG_SCHED_HRTICK /* diff --git a/kernel/sys.c b/kernel/sys.c index e0c8ffc50d7f..2d39a84cd857 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1788,7 +1788,6 @@ SYSCALL_DEFINE1(umask, int, mask) #ifdef CONFIG_CHECKPOINT_RESTORE static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) { - struct vm_area_struct *vma; struct file *exe_file; struct dentry *dentry; int err; @@ -1816,13 +1815,17 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) down_write(&mm->mmap_sem); /* - * Forbid mm->exe_file change if there are mapped other files. + * Forbid mm->exe_file change if old file still mapped. */ err = -EBUSY; - for (vma = mm->mmap; vma; vma = vma->vm_next) { - if (vma->vm_file && !path_equal(&vma->vm_file->f_path, - &exe_file->f_path)) - goto exit_unlock; + if (mm->exe_file) { + struct vm_area_struct *vma; + + for (vma = mm->mmap; vma; vma = vma->vm_next) + if (vma->vm_file && + path_equal(&vma->vm_file->f_path, + &mm->exe_file->f_path)) + goto exit_unlock; } /* @@ -1835,6 +1838,7 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) if (test_and_set_bit(MMF_EXE_FILE_CHANGED, &mm->flags)) goto exit_unlock; + err = 0; set_mm_exe_file(mm, exe_file); exit_unlock: up_write(&mm->mmap_sem); diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 70b33abcc7bb..b7fbadc5c973 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -409,7 +409,9 @@ int second_overflow(unsigned long secs) time_state = TIME_DEL; break; case TIME_INS: - if (secs % 86400 == 0) { + if (!(time_status & STA_INS)) + time_state = TIME_OK; + else if (secs % 86400 == 0) { leap = -1; time_state = TIME_OOP; time_tai++; @@ -418,7 +420,9 @@ int second_overflow(unsigned long secs) } break; case TIME_DEL: - if ((secs + 1) % 86400 == 0) { + if (!(time_status & STA_DEL)) + time_state = TIME_OK; + else if ((secs + 1) % 86400 == 0) { leap = 1; time_tai--; time_state = TIME_WAIT; diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 869997833928..4a08472c3ca7 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -406,6 +406,7 @@ static void tick_nohz_stop_sched_tick(struct tick_sched *ts) */ if (!ts->tick_stopped) { select_nohz_load_balancer(1); + calc_load_enter_idle(); ts->idle_tick = hrtimer_get_expires(&ts->sched_timer); ts->tick_stopped = 1; @@ -597,6 +598,7 @@ void tick_nohz_idle_exit(void) account_idle_ticks(ticks); #endif + calc_load_exit_idle(); touch_softlockup_watchdog(); /* * Cancel the scheduled timer and restore the tick diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 6f46a00a1e8a..3447cfaf11e7 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -70,6 +70,12 @@ struct timekeeper { /* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */ struct timespec raw_time; + /* Offset clock monotonic -> clock realtime */ + ktime_t offs_real; + + /* Offset clock monotonic -> clock boottime */ + ktime_t offs_boot; + /* Seqlock for all timekeeper values */ seqlock_t lock; }; @@ -172,6 +178,14 @@ static inline s64 timekeeping_get_ns_raw(void) return clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift); } +static void update_rt_offset(void) +{ + struct timespec tmp, *wtm = &timekeeper.wall_to_monotonic; + + set_normalized_timespec(&tmp, -wtm->tv_sec, -wtm->tv_nsec); + timekeeper.offs_real = timespec_to_ktime(tmp); +} + /* must hold write on timekeeper.lock */ static void timekeeping_update(bool clearntp) { @@ -179,6 +193,7 @@ static void timekeeping_update(bool clearntp) timekeeper.ntp_error = 0; ntp_clear(); } + update_rt_offset(); update_vsyscall(&timekeeper.xtime, &timekeeper.wall_to_monotonic, timekeeper.clock, timekeeper.mult); } @@ -604,6 +619,7 @@ void __init timekeeping_init(void) } set_normalized_timespec(&timekeeper.wall_to_monotonic, -boot.tv_sec, -boot.tv_nsec); + update_rt_offset(); timekeeper.total_sleep_time.tv_sec = 0; timekeeper.total_sleep_time.tv_nsec = 0; write_sequnlock_irqrestore(&timekeeper.lock, flags); @@ -612,6 +628,12 @@ void __init timekeeping_init(void) /* time in seconds when suspend began */ static struct timespec timekeeping_suspend_time; +static void update_sleep_time(struct timespec t) +{ + timekeeper.total_sleep_time = t; + timekeeper.offs_boot = timespec_to_ktime(t); +} + /** * __timekeeping_inject_sleeptime - Internal function to add sleep interval * @delta: pointer to a timespec delta value @@ -630,8 +652,7 @@ static void __timekeeping_inject_sleeptime(struct timespec *delta) timekeeper.xtime = timespec_add(timekeeper.xtime, *delta); timekeeper.wall_to_monotonic = timespec_sub(timekeeper.wall_to_monotonic, *delta); - timekeeper.total_sleep_time = timespec_add( - timekeeper.total_sleep_time, *delta); + update_sleep_time(timespec_add(timekeeper.total_sleep_time, *delta)); } @@ -696,6 +717,7 @@ static void timekeeping_resume(void) timekeeper.clock->cycle_last = timekeeper.clock->read(timekeeper.clock); timekeeper.ntp_error = 0; timekeeping_suspended = 0; + timekeeping_update(false); write_sequnlock_irqrestore(&timekeeper.lock, flags); touch_softlockup_watchdog(); @@ -963,6 +985,8 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift) leap = second_overflow(timekeeper.xtime.tv_sec); timekeeper.xtime.tv_sec += leap; timekeeper.wall_to_monotonic.tv_sec -= leap; + if (leap) + clock_was_set_delayed(); } /* Accumulate raw time */ @@ -1079,6 +1103,8 @@ static void update_wall_time(void) leap = second_overflow(timekeeper.xtime.tv_sec); timekeeper.xtime.tv_sec += leap; timekeeper.wall_to_monotonic.tv_sec -= leap; + if (leap) + clock_was_set_delayed(); } timekeeping_update(false); @@ -1246,6 +1272,40 @@ void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim, } while (read_seqretry(&timekeeper.lock, seq)); } +#ifdef CONFIG_HIGH_RES_TIMERS +/** + * ktime_get_update_offsets - hrtimer helper + * @offs_real: pointer to storage for monotonic -> realtime offset + * @offs_boot: pointer to storage for monotonic -> boottime offset + * + * Returns current monotonic time and updates the offsets + * Called from hrtimer_interupt() or retrigger_next_event() + */ +ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot) +{ + ktime_t now; + unsigned int seq; + u64 secs, nsecs; + + do { + seq = read_seqbegin(&timekeeper.lock); + + secs = timekeeper.xtime.tv_sec; + nsecs = timekeeper.xtime.tv_nsec; + nsecs += timekeeping_get_ns(); + /* If arch requires, add in gettimeoffset() */ + nsecs += arch_gettimeoffset(); + + *offs_real = timekeeper.offs_real; + *offs_boot = timekeeper.offs_boot; + } while (read_seqretry(&timekeeper.lock, seq)); + + now = ktime_add_ns(ktime_set(secs, 0), nsecs); + now = ktime_sub(now, *offs_real); + return now; +} +#endif + /** * ktime_get_monotonic_offset() - get wall_to_monotonic in ktime_t format */ diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 1d0f6a8a0e5e..f765465bffe4 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1075,6 +1075,7 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu) rb_init_page(bpage->page); INIT_LIST_HEAD(&cpu_buffer->reader_page->list); + INIT_LIST_HEAD(&cpu_buffer->new_pages); ret = rb_allocate_pages(cpu_buffer, nr_pages); if (ret < 0) @@ -1346,10 +1347,9 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) * If something was added to this page, it was full * since it is not the tail page. So we deduct the * bytes consumed in ring buffer from here. - * No need to update overruns, since this page is - * deleted from ring buffer and its entries are - * already accounted for. + * Increment overrun to account for the lost events. */ + local_add(page_entries, &cpu_buffer->overrun); local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); } diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 518aea714d21..66ce41489133 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -78,7 +78,7 @@ static LIST_HEAD(free_entries); static DEFINE_SPINLOCK(free_entries_lock); /* Global disable flag - will be set in case of an error */ -static bool global_disable __read_mostly; +static u32 global_disable __read_mostly; /* Global error count */ static u32 error_count; @@ -657,7 +657,7 @@ static int dma_debug_fs_init(void) global_disable_dent = debugfs_create_bool("disabled", 0444, dma_debug_dent, - (u32 *)&global_disable); + &global_disable); if (!global_disable_dent) goto out_err; diff --git a/mm/bootmem.c b/mm/bootmem.c index ec4fcb7a56c8..bcb63ac48cc5 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -698,7 +698,7 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align, return ___alloc_bootmem(size, align, goal, limit); } -static void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat, +void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit) { @@ -710,6 +710,10 @@ again: if (ptr) return ptr; + /* do not panic in alloc_bootmem_bdata() */ + if (limit && goal + size > limit) + limit = 0; + ptr = alloc_bootmem_bdata(pgdat->bdata, size, align, goal, limit); if (ptr) return ptr; diff --git a/mm/compaction.c b/mm/compaction.c index 7ea259d82a99..2f42d9528539 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -701,8 +701,11 @@ static int compact_zone(struct zone *zone, struct compact_control *cc) if (err) { putback_lru_pages(&cc->migratepages); cc->nr_migratepages = 0; + if (err == -ENOMEM) { + ret = COMPACT_PARTIAL; + goto out; + } } - } out: diff --git a/mm/memblock.c b/mm/memblock.c index d4382095f8bd..5cc6731b00cc 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -143,30 +143,6 @@ phys_addr_t __init_memblock memblock_find_in_range(phys_addr_t start, MAX_NUMNODES); } -/* - * Free memblock.reserved.regions - */ -int __init_memblock memblock_free_reserved_regions(void) -{ - if (memblock.reserved.regions == memblock_reserved_init_regions) - return 0; - - return memblock_free(__pa(memblock.reserved.regions), - sizeof(struct memblock_region) * memblock.reserved.max); -} - -/* - * Reserve memblock.reserved.regions - */ -int __init_memblock memblock_reserve_reserved_regions(void) -{ - if (memblock.reserved.regions == memblock_reserved_init_regions) - return 0; - - return memblock_reserve(__pa(memblock.reserved.regions), - sizeof(struct memblock_region) * memblock.reserved.max); -} - static void __init_memblock memblock_remove_region(struct memblock_type *type, unsigned long r) { type->total_size -= type->regions[r].size; @@ -184,6 +160,18 @@ static void __init_memblock memblock_remove_region(struct memblock_type *type, u } } +phys_addr_t __init_memblock get_allocated_memblock_reserved_regions_info( + phys_addr_t *addr) +{ + if (memblock.reserved.regions == memblock_reserved_init_regions) + return 0; + + *addr = __pa(memblock.reserved.regions); + + return PAGE_ALIGN(sizeof(struct memblock_region) * + memblock.reserved.max); +} + /** * memblock_double_array - double the size of the memblock regions array * @type: memblock type of the regions array being doubled @@ -204,6 +192,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type, phys_addr_t new_area_size) { struct memblock_region *new_array, *old_array; + phys_addr_t old_alloc_size, new_alloc_size; phys_addr_t old_size, new_size, addr; int use_slab = slab_is_available(); int *in_slab; @@ -217,6 +206,12 @@ static int __init_memblock memblock_double_array(struct memblock_type *type, /* Calculate new doubled size */ old_size = type->max * sizeof(struct memblock_region); new_size = old_size << 1; + /* + * We need to allocated new one align to PAGE_SIZE, + * so we can free them completely later. + */ + old_alloc_size = PAGE_ALIGN(old_size); + new_alloc_size = PAGE_ALIGN(new_size); /* Retrieve the slab flag */ if (type == &memblock.memory) @@ -245,11 +240,11 @@ static int __init_memblock memblock_double_array(struct memblock_type *type, addr = memblock_find_in_range(new_area_start + new_area_size, memblock.current_limit, - new_size, sizeof(phys_addr_t)); + new_alloc_size, PAGE_SIZE); if (!addr && new_area_size) addr = memblock_find_in_range(0, min(new_area_start, memblock.current_limit), - new_size, sizeof(phys_addr_t)); + new_alloc_size, PAGE_SIZE); new_array = addr ? __va(addr) : 0; } @@ -279,13 +274,13 @@ static int __init_memblock memblock_double_array(struct memblock_type *type, kfree(old_array); else if (old_array != memblock_memory_init_regions && old_array != memblock_reserved_init_regions) - memblock_free(__pa(old_array), old_size); + memblock_free(__pa(old_array), old_alloc_size); /* Reserve the new array if that comes from the memblock. * Otherwise, we needn't do it */ if (!use_slab) - BUG_ON(memblock_reserve(addr, new_size)); + BUG_ON(memblock_reserve(addr, new_alloc_size)); /* Update slab flag */ *in_slab = use_slab; diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 0d7e3ec8e0f3..427bb291dd0f 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -618,7 +618,7 @@ int __ref add_memory(int nid, u64 start, u64 size) pgdat = hotadd_new_pgdat(nid, start); ret = -ENOMEM; if (!pgdat) - goto out; + goto error; new_pgdat = 1; } diff --git a/mm/nobootmem.c b/mm/nobootmem.c index d23415c001bc..405573010f99 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -105,27 +105,35 @@ static void __init __free_pages_memory(unsigned long start, unsigned long end) __free_pages_bootmem(pfn_to_page(i), 0); } +static unsigned long __init __free_memory_core(phys_addr_t start, + phys_addr_t end) +{ + unsigned long start_pfn = PFN_UP(start); + unsigned long end_pfn = min_t(unsigned long, + PFN_DOWN(end), max_low_pfn); + + if (start_pfn > end_pfn) + return 0; + + __free_pages_memory(start_pfn, end_pfn); + + return end_pfn - start_pfn; +} + unsigned long __init free_low_memory_core_early(int nodeid) { unsigned long count = 0; - phys_addr_t start, end; + phys_addr_t start, end, size; u64 i; - /* free reserved array temporarily so that it's treated as free area */ - memblock_free_reserved_regions(); - - for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) { - unsigned long start_pfn = PFN_UP(start); - unsigned long end_pfn = min_t(unsigned long, - PFN_DOWN(end), max_low_pfn); - if (start_pfn < end_pfn) { - __free_pages_memory(start_pfn, end_pfn); - count += end_pfn - start_pfn; - } - } + for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) + count += __free_memory_core(start, end); + + /* free range that is used for reserved array if we allocate it */ + size = get_allocated_memblock_reserved_regions_info(&start); + if (size) + count += __free_memory_core(start, start + size); - /* put region array back? */ - memblock_reserve_reserved_regions(); return count; } @@ -274,7 +282,7 @@ void * __init __alloc_bootmem(unsigned long size, unsigned long align, return ___alloc_bootmem(size, align, goal, limit); } -static void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat, +void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 44030096da63..4a4f9219683f 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5635,7 +5635,12 @@ static struct page * __alloc_contig_migrate_alloc(struct page *page, unsigned long private, int **resultp) { - return alloc_page(GFP_HIGHUSER_MOVABLE); + gfp_t gfp_mask = GFP_USER | __GFP_MOVABLE; + + if (PageHighMem(page)) + gfp_mask |= __GFP_HIGHMEM; + + return alloc_page(gfp_mask); } /* [start, end) must belong to a single zone. */ diff --git a/mm/shmem.c b/mm/shmem.c index 4ce02e0673db..bd106361be4b 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -264,46 +264,55 @@ static int shmem_radix_tree_replace(struct address_space *mapping, } /* + * Sometimes, before we decide whether to proceed or to fail, we must check + * that an entry was not already brought back from swap by a racing thread. + * + * Checking page is not enough: by the time a SwapCache page is locked, it + * might be reused, and again be SwapCache, using the same swap as before. + */ +static bool shmem_confirm_swap(struct address_space *mapping, + pgoff_t index, swp_entry_t swap) +{ + void *item; + + rcu_read_lock(); + item = radix_tree_lookup(&mapping->page_tree, index); + rcu_read_unlock(); + return item == swp_to_radix_entry(swap); +} + +/* * Like add_to_page_cache_locked, but error if expected item has gone. */ static int shmem_add_to_page_cache(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp, void *expected) { - int error = 0; + int error; VM_BUG_ON(!PageLocked(page)); VM_BUG_ON(!PageSwapBacked(page)); + page_cache_get(page); + page->mapping = mapping; + page->index = index; + + spin_lock_irq(&mapping->tree_lock); if (!expected) - error = radix_tree_preload(gfp & GFP_RECLAIM_MASK); + error = radix_tree_insert(&mapping->page_tree, index, page); + else + error = shmem_radix_tree_replace(mapping, index, expected, + page); if (!error) { - page_cache_get(page); - page->mapping = mapping; - page->index = index; - - spin_lock_irq(&mapping->tree_lock); - if (!expected) - error = radix_tree_insert(&mapping->page_tree, - index, page); - else - error = shmem_radix_tree_replace(mapping, index, - expected, page); - if (!error) { - mapping->nrpages++; - __inc_zone_page_state(page, NR_FILE_PAGES); - __inc_zone_page_state(page, NR_SHMEM); - spin_unlock_irq(&mapping->tree_lock); - } else { - page->mapping = NULL; - spin_unlock_irq(&mapping->tree_lock); - page_cache_release(page); - } - if (!expected) - radix_tree_preload_end(); + mapping->nrpages++; + __inc_zone_page_state(page, NR_FILE_PAGES); + __inc_zone_page_state(page, NR_SHMEM); + spin_unlock_irq(&mapping->tree_lock); + } else { + page->mapping = NULL; + spin_unlock_irq(&mapping->tree_lock); + page_cache_release(page); } - if (error) - mem_cgroup_uncharge_cache_page(page); return error; } @@ -1124,9 +1133,9 @@ repeat: /* We have to do this with page locked to prevent races */ lock_page(page); if (!PageSwapCache(page) || page_private(page) != swap.val || - page->mapping) { + !shmem_confirm_swap(mapping, index, swap)) { error = -EEXIST; /* try again */ - goto failed; + goto unlock; } if (!PageUptodate(page)) { error = -EIO; @@ -1142,9 +1151,12 @@ repeat: error = mem_cgroup_cache_charge(page, current->mm, gfp & GFP_RECLAIM_MASK); - if (!error) + if (!error) { error = shmem_add_to_page_cache(page, mapping, index, gfp, swp_to_radix_entry(swap)); + /* We already confirmed swap, and make no allocation */ + VM_BUG_ON(error); + } if (error) goto failed; @@ -1181,11 +1193,18 @@ repeat: __set_page_locked(page); error = mem_cgroup_cache_charge(page, current->mm, gfp & GFP_RECLAIM_MASK); - if (!error) - error = shmem_add_to_page_cache(page, mapping, index, - gfp, NULL); if (error) goto decused; + error = radix_tree_preload(gfp & GFP_RECLAIM_MASK); + if (!error) { + error = shmem_add_to_page_cache(page, mapping, index, + gfp, NULL); + radix_tree_preload_end(); + } + if (error) { + mem_cgroup_uncharge_cache_page(page); + goto decused; + } lru_cache_add_anon(page); spin_lock(&info->lock); @@ -1245,14 +1264,10 @@ decused: unacct: shmem_unacct_blocks(info->flags, 1); failed: - if (swap.val && error != -EINVAL) { - struct page *test = find_get_page(mapping, index); - if (test && !radix_tree_exceptional_entry(test)) - page_cache_release(test); - /* Have another try if the entry has changed */ - if (test != swp_to_radix_entry(swap)) - error = -EEXIST; - } + if (swap.val && error != -EINVAL && + !shmem_confirm_swap(mapping, index, swap)) + error = -EEXIST; +unlock: if (page) { unlock_page(page); page_cache_release(page); @@ -1264,7 +1279,7 @@ failed: spin_unlock(&info->lock); goto repeat; } - if (error == -EEXIST) + if (error == -EEXIST) /* from above or from radix_tree_insert */ goto repeat; return error; } @@ -1692,98 +1707,6 @@ static ssize_t shmem_file_splice_read(struct file *in, loff_t *ppos, return error; } -/* - * llseek SEEK_DATA or SEEK_HOLE through the radix_tree. - */ -static pgoff_t shmem_seek_hole_data(struct address_space *mapping, - pgoff_t index, pgoff_t end, int origin) -{ - struct page *page; - struct pagevec pvec; - pgoff_t indices[PAGEVEC_SIZE]; - bool done = false; - int i; - - pagevec_init(&pvec, 0); - pvec.nr = 1; /* start small: we may be there already */ - while (!done) { - pvec.nr = shmem_find_get_pages_and_swap(mapping, index, - pvec.nr, pvec.pages, indices); - if (!pvec.nr) { - if (origin == SEEK_DATA) - index = end; - break; - } - for (i = 0; i < pvec.nr; i++, index++) { - if (index < indices[i]) { - if (origin == SEEK_HOLE) { - done = true; - break; - } - index = indices[i]; - } - page = pvec.pages[i]; - if (page && !radix_tree_exceptional_entry(page)) { - if (!PageUptodate(page)) - page = NULL; - } - if (index >= end || - (page && origin == SEEK_DATA) || - (!page && origin == SEEK_HOLE)) { - done = true; - break; - } - } - shmem_deswap_pagevec(&pvec); - pagevec_release(&pvec); - pvec.nr = PAGEVEC_SIZE; - cond_resched(); - } - return index; -} - -static loff_t shmem_file_llseek(struct file *file, loff_t offset, int origin) -{ - struct address_space *mapping; - struct inode *inode; - pgoff_t start, end; - loff_t new_offset; - - if (origin != SEEK_DATA && origin != SEEK_HOLE) - return generic_file_llseek_size(file, offset, origin, - MAX_LFS_FILESIZE); - mapping = file->f_mapping; - inode = mapping->host; - mutex_lock(&inode->i_mutex); - /* We're holding i_mutex so we can access i_size directly */ - - if (offset < 0) - offset = -EINVAL; - else if (offset >= inode->i_size) - offset = -ENXIO; - else { - start = offset >> PAGE_CACHE_SHIFT; - end = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - new_offset = shmem_seek_hole_data(mapping, start, end, origin); - new_offset <<= PAGE_CACHE_SHIFT; - if (new_offset > offset) { - if (new_offset < inode->i_size) - offset = new_offset; - else if (origin == SEEK_DATA) - offset = -ENXIO; - else - offset = inode->i_size; - } - } - - if (offset >= 0 && offset != file->f_pos) { - file->f_pos = offset; - file->f_version = 0; - } - mutex_unlock(&inode->i_mutex); - return offset; -} - static long shmem_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { @@ -2787,7 +2710,7 @@ static const struct address_space_operations shmem_aops = { static const struct file_operations shmem_file_operations = { .mmap = shmem_mmap, #ifdef CONFIG_TMPFS - .llseek = shmem_file_llseek, + .llseek = generic_file_llseek, .read = do_sync_read, .write = do_sync_write, .aio_read = shmem_file_aio_read, diff --git a/mm/sparse.c b/mm/sparse.c index 6a4bf9160e85..c7bb952400c8 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -275,8 +275,9 @@ static unsigned long * __init sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, unsigned long size) { - pg_data_t *host_pgdat; - unsigned long goal; + unsigned long goal, limit; + unsigned long *p; + int nid; /* * A page may contain usemaps for other sections preventing the * page being freed and making a section unremovable while @@ -287,10 +288,17 @@ sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, * from the same section as the pgdat where possible to avoid * this problem. */ - goal = __pa(pgdat) & PAGE_SECTION_MASK; - host_pgdat = NODE_DATA(early_pfn_to_nid(goal >> PAGE_SHIFT)); - return __alloc_bootmem_node_nopanic(host_pgdat, size, - SMP_CACHE_BYTES, goal); + goal = __pa(pgdat) & (PAGE_SECTION_MASK << PAGE_SHIFT); + limit = goal + (1UL << PA_SECTION_SHIFT); + nid = early_pfn_to_nid(goal >> PAGE_SHIFT); +again: + p = ___alloc_bootmem_node_nopanic(NODE_DATA(nid), size, + SMP_CACHE_BYTES, goal, limit); + if (!p && limit) { + limit = 0; + goto again; + } + return p; } static void __init check_usemap_section_nr(int nid, unsigned long *usemap) diff --git a/mm/vmscan.c b/mm/vmscan.c index eeb3bc9d1d36..66e431060c05 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2688,7 +2688,10 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx) * them before going back to sleep. */ set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold); - schedule(); + + if (!kthread_should_stop()) + schedule(); + set_pgdat_percpu_threshold(pgdat, calculate_pressure_threshold); } else { if (remaining) @@ -2955,14 +2958,17 @@ int kswapd_run(int nid) } /* - * Called by memory hotplug when all memory in a node is offlined. + * Called by memory hotplug when all memory in a node is offlined. Caller must + * hold lock_memory_hotplug(). */ void kswapd_stop(int nid) { struct task_struct *kswapd = NODE_DATA(nid)->kswapd; - if (kswapd) + if (kswapd) { kthread_stop(kswapd); + NODE_DATA(nid)->kswapd = NULL; + } } static int __init kswapd_init(void) diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 6089f0cf23b4..9096bcb08132 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -403,6 +403,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, break; case NETDEV_DOWN: + if (dev->features & NETIF_F_HW_VLAN_FILTER) + vlan_vid_del(dev, 0); + /* Put all VLANs for this dev in the down state too. */ for (i = 0; i < VLAN_N_VID; i++) { vlandev = vlan_group_get_device(grp, i); diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 051f7abae66d..779095ded689 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -842,6 +842,7 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, case AX25_P_NETROM: if (ax25_protocol_is_registered(AX25_P_NETROM)) return -ESOCKTNOSUPPORT; + break; #endif #ifdef CONFIG_ROSE_MODULE case AX25_P_ROSE: diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 8bf97515a77d..c5863f499133 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1351,6 +1351,7 @@ void bla_free(struct bat_priv *bat_priv) * @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame + * @is_bcast: the packet came in a broadcast packet type. * * bla_rx avoidance checks if: * * we have to race for a claim @@ -1361,7 +1362,8 @@ void bla_free(struct bat_priv *bat_priv) * process the skb. * */ -int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast) { struct ethhdr *ethhdr; struct claim search_claim, *claim = NULL; @@ -1380,7 +1382,7 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) if (unlikely(atomic_read(&bat_priv->bla_num_requests))) /* don't allow broadcasts while requests are in flight */ - if (is_multicast_ether_addr(ethhdr->h_dest)) + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) goto handled; memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN); @@ -1406,8 +1408,13 @@ int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) } /* if it is a broadcast ... */ - if (is_multicast_ether_addr(ethhdr->h_dest)) { - /* ... drop it. the responsible gateway is in charge. */ + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) { + /* ... drop it. the responsible gateway is in charge. + * + * We need to check is_bcast because with the gateway + * feature, broadcasts (like DHCP requests) may be sent + * using a unicast packet type. + */ goto handled; } else { /* seems the client considers us as its best gateway. diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index e39f93acc28f..dc5227b398d4 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -23,7 +23,8 @@ #define _NET_BATMAN_ADV_BLA_H_ #ifdef CONFIG_BATMAN_ADV_BLA -int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); +int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast); int bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int bla_is_backbone_gw(struct sk_buff *skb, struct orig_node *orig_node, int hdr_size); @@ -41,7 +42,7 @@ void bla_free(struct bat_priv *bat_priv); #else /* ifdef CONFIG_BATMAN_ADV_BLA */ static inline int bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, - short vid) + short vid, bool is_bcast) { return 0; } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 6e2530b02043..a0ec0e4ada4c 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -256,7 +256,11 @@ void interface_rx(struct net_device *soft_iface, struct bat_priv *bat_priv = netdev_priv(soft_iface); struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; + struct batman_header *batadv_header = (struct batman_header *)skb->data; short vid __maybe_unused = -1; + bool is_bcast; + + is_bcast = (batadv_header->packet_type == BAT_BCAST); /* check if enough space is available for pulling, and pull */ if (!pskb_may_pull(skb, hdr_size)) @@ -302,7 +306,7 @@ void interface_rx(struct net_device *soft_iface, /* Let the bridge loop avoidance check the packet. If will * not handle it, we can safely push it up. */ - if (bla_rx(bat_priv, skb, vid)) + if (bla_rx(bat_priv, skb, vid, is_bcast)) goto out; netif_rx(skb); diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 554b31289607..8c83c175b03a 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -561,9 +561,9 @@ static int __init caif_device_init(void) static void __exit caif_device_exit(void) { - unregister_pernet_subsys(&caif_net_ops); unregister_netdevice_notifier(&caif_device_notifier); dev_remove_pack(&caif_packet_type); + unregister_pernet_subsys(&caif_net_ops); } module_init(caif_device_init); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index b332c3d76059..10255e81be79 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -1423,7 +1423,7 @@ static int process_connect(struct ceph_connection *con) * dropped messages. */ dout("process_connect got RESET peer seq %u\n", - le32_to_cpu(con->in_connect.connect_seq)); + le32_to_cpu(con->in_reply.connect_seq)); pr_err("%s%lld %s connection reset\n", ENTITY_NAME(con->peer_name), ceph_pr_addr(&con->peer_addr.in_addr)); @@ -1450,10 +1450,10 @@ static int process_connect(struct ceph_connection *con) * If we sent a smaller connect_seq than the peer has, try * again with a larger value. */ - dout("process_connect got RETRY my seq = %u, peer_seq = %u\n", + dout("process_connect got RETRY_SESSION my seq %u, peer %u\n", le32_to_cpu(con->out_connect.connect_seq), - le32_to_cpu(con->in_connect.connect_seq)); - con->connect_seq = le32_to_cpu(con->in_connect.connect_seq); + le32_to_cpu(con->in_reply.connect_seq)); + con->connect_seq = le32_to_cpu(con->in_reply.connect_seq); ceph_con_out_kvec_reset(con); ret = prepare_write_connect(con); if (ret < 0) @@ -1468,9 +1468,9 @@ static int process_connect(struct ceph_connection *con) */ dout("process_connect got RETRY_GLOBAL my %u peer_gseq %u\n", con->peer_global_seq, - le32_to_cpu(con->in_connect.global_seq)); + le32_to_cpu(con->in_reply.global_seq)); get_global_seq(con->msgr, - le32_to_cpu(con->in_connect.global_seq)); + le32_to_cpu(con->in_reply.global_seq)); ceph_con_out_kvec_reset(con); ret = prepare_write_connect(con); if (ret < 0) diff --git a/net/core/dev.c b/net/core/dev.c index 84f01ba81a34..1cb0d8a6aa6c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2444,8 +2444,12 @@ static void skb_update_prio(struct sk_buff *skb) { struct netprio_map *map = rcu_dereference_bh(skb->dev->priomap); - if ((!skb->priority) && (skb->sk) && map) - skb->priority = map->priomap[skb->sk->sk_cgrp_prioidx]; + if (!skb->priority && skb->sk && map) { + unsigned int prioidx = skb->sk->sk_cgrp_prioidx; + + if (prioidx < map->priomap_len) + skb->priority = map->priomap[prioidx]; + } } #else #define skb_update_prio(skb) @@ -6279,7 +6283,8 @@ static struct hlist_head *netdev_create_hash(void) /* Initialize per network namespace state */ static int __net_init netdev_init(struct net *net) { - INIT_LIST_HEAD(&net->dev_base_head); + if (net != &init_net) + INIT_LIST_HEAD(&net->dev_base_head); net->dev_name_head = netdev_create_hash(); if (net->dev_name_head == NULL) diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index dddbacb8f28c..42f1e1c7514f 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -27,7 +27,9 @@ static DEFINE_MUTEX(net_mutex); LIST_HEAD(net_namespace_list); EXPORT_SYMBOL_GPL(net_namespace_list); -struct net init_net; +struct net init_net = { + .dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head), +}; EXPORT_SYMBOL(init_net); #define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */ diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 5b8aa2fae48b..b2e9caa1ad1a 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -49,8 +49,9 @@ static int get_prioidx(u32 *prio) return -ENOSPC; } set_bit(prioidx, prioidx_map); + if (atomic_read(&max_prioidx) < prioidx) + atomic_set(&max_prioidx, prioidx); spin_unlock_irqrestore(&prioidx_map_lock, flags); - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; } @@ -64,7 +65,7 @@ static void put_prioidx(u32 idx) spin_unlock_irqrestore(&prioidx_map_lock, flags); } -static void extend_netdev_table(struct net_device *dev, u32 new_len) +static int extend_netdev_table(struct net_device *dev, u32 new_len) { size_t new_size = sizeof(struct netprio_map) + ((sizeof(u32) * new_len)); @@ -76,7 +77,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len) if (!new_priomap) { pr_warn("Unable to alloc new priomap!\n"); - return; + return -ENOMEM; } for (i = 0; @@ -89,46 +90,79 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len) rcu_assign_pointer(dev->priomap, new_priomap); if (old_priomap) kfree_rcu(old_priomap, rcu); + return 0; } -static void update_netdev_tables(void) +static int write_update_netdev_table(struct net_device *dev) { + int ret = 0; + u32 max_len; + struct netprio_map *map; + + rtnl_lock(); + max_len = atomic_read(&max_prioidx) + 1; + map = rtnl_dereference(dev->priomap); + if (!map || map->priomap_len < max_len) + ret = extend_netdev_table(dev, max_len); + rtnl_unlock(); + + return ret; +} + +static int update_netdev_tables(void) +{ + int ret = 0; struct net_device *dev; - u32 max_len = atomic_read(&max_prioidx) + 1; + u32 max_len; struct netprio_map *map; rtnl_lock(); + max_len = atomic_read(&max_prioidx) + 1; for_each_netdev(&init_net, dev) { map = rtnl_dereference(dev->priomap); - if ((!map) || - (map->priomap_len < max_len)) - extend_netdev_table(dev, max_len); + /* + * don't allocate priomap if we didn't + * change net_prio.ifpriomap (map == NULL), + * this will speed up skb_update_prio. + */ + if (map && map->priomap_len < max_len) { + ret = extend_netdev_table(dev, max_len); + if (ret < 0) + break; + } } rtnl_unlock(); + return ret; } static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp) { struct cgroup_netprio_state *cs; - int ret; + int ret = -EINVAL; cs = kzalloc(sizeof(*cs), GFP_KERNEL); if (!cs) return ERR_PTR(-ENOMEM); - if (cgrp->parent && cgrp_netprio_state(cgrp->parent)->prioidx) { - kfree(cs); - return ERR_PTR(-EINVAL); - } + if (cgrp->parent && cgrp_netprio_state(cgrp->parent)->prioidx) + goto out; ret = get_prioidx(&cs->prioidx); - if (ret != 0) { + if (ret < 0) { pr_warn("No space in priority index array\n"); - kfree(cs); - return ERR_PTR(ret); + goto out; + } + + ret = update_netdev_tables(); + if (ret < 0) { + put_prioidx(cs->prioidx); + goto out; } return &cs->css; +out: + kfree(cs); + return ERR_PTR(ret); } static void cgrp_destroy(struct cgroup *cgrp) @@ -141,7 +175,7 @@ static void cgrp_destroy(struct cgroup *cgrp) rtnl_lock(); for_each_netdev(&init_net, dev) { map = rtnl_dereference(dev->priomap); - if (map) + if (map && cs->prioidx < map->priomap_len) map->priomap[cs->prioidx] = 0; } rtnl_unlock(); @@ -165,7 +199,7 @@ static int read_priomap(struct cgroup *cont, struct cftype *cft, rcu_read_lock(); for_each_netdev_rcu(&init_net, dev) { map = rcu_dereference(dev->priomap); - priority = map ? map->priomap[prioidx] : 0; + priority = (map && prioidx < map->priomap_len) ? map->priomap[prioidx] : 0; cb->fill(cb, dev->name, priority); } rcu_read_unlock(); @@ -220,13 +254,17 @@ static int write_priomap(struct cgroup *cgrp, struct cftype *cft, if (!dev) goto out_free_devname; - update_netdev_tables(); - ret = 0; + ret = write_update_netdev_table(dev); + if (ret < 0) + goto out_put_dev; + rcu_read_lock(); map = rcu_dereference(dev->priomap); if (map) map->priomap[prioidx] = priority; rcu_read_unlock(); + +out_put_dev: dev_put(dev); out_free_devname: diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 46a3d23d259e..d124306b81fd 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -353,7 +353,7 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int fragsz = SKB_DATA_ALIGN(length + NET_SKB_PAD) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - if (fragsz <= PAGE_SIZE && !(gfp_mask & __GFP_WAIT)) { + if (fragsz <= PAGE_SIZE && !(gfp_mask & (__GFP_WAIT | GFP_DMA))) { void *data = netdev_alloc_frag(fragsz); if (likely(data)) { diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index 6fbb2ad7bb6d..16705611589a 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -230,6 +230,12 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk, mtu = dev->mtu; pr_debug("name = %s, mtu = %u\n", dev->name, mtu); + if (size > mtu) { + pr_debug("size = %Zu, mtu = %u\n", size, mtu); + err = -EINVAL; + goto out_dev; + } + hlen = LL_RESERVED_SPACE(dev); tlen = dev->needed_tailroom; skb = sock_alloc_send_skb(sk, hlen + tlen + size, @@ -258,12 +264,6 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk, if (err < 0) goto out_skb; - if (size > mtu) { - pr_debug("size = %Zu, mtu = %u\n", size, mtu); - err = -EINVAL; - goto out_skb; - } - skb->dev = dev; skb->sk = sk; skb->protocol = htons(ETH_P_IEEE802154); diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index c48adc565e92..667c1d4ca984 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1725,8 +1725,10 @@ int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option) case CIPSO_V4_TAG_LOCAL: /* This is a non-standard tag that we only allow for * local connections, so if the incoming interface is - * not the loopback device drop the packet. */ - if (!(skb->dev->flags & IFF_LOOPBACK)) { + * not the loopback device drop the packet. Further, + * there is no legitimate reason for setting this from + * userspace so reject it if skb is NULL. */ + if (skb == NULL || !(skb->dev->flags & IFF_LOOPBACK)) { err_offset = opt_iter; goto validate_return_locked; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a4bb856de08f..0db5d34a06b6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2174,15 +2174,13 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, sdata->name, mgmt->sa, status_code); ieee80211_destroy_assoc_data(sdata, false); } else { - printk(KERN_DEBUG "%s: associated\n", sdata->name); - if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) { /* oops -- internal error -- send timeout for now */ - ieee80211_destroy_assoc_data(sdata, true); - sta_info_destroy_addr(sdata, mgmt->bssid); + ieee80211_destroy_assoc_data(sdata, false); cfg80211_put_bss(*bss); return RX_MGMT_CFG80211_ASSOC_TIMEOUT; } + printk(KERN_DEBUG "%s: associated\n", sdata->name); /* * destroy assoc_data afterwards, as otherwise an idle diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 2d1acc6c5445..f9e51ef8dfa2 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -809,7 +809,7 @@ minstrel_ht_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp) max_rates = sband->n_bitrates; } - msp = kzalloc(sizeof(struct minstrel_ht_sta), gfp); + msp = kzalloc(sizeof(*msp), gfp); if (!msp) return NULL; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index d43e3c122f7b..84444dda194b 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -1521,11 +1521,12 @@ static int ip_vs_dst_event(struct notifier_block *this, unsigned long event, { struct net_device *dev = ptr; struct net *net = dev_net(dev); + struct netns_ipvs *ipvs = net_ipvs(net); struct ip_vs_service *svc; struct ip_vs_dest *dest; unsigned int idx; - if (event != NETDEV_UNREGISTER) + if (event != NETDEV_UNREGISTER || !ipvs) return NOTIFY_DONE; IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name); EnterFunction(2); @@ -1551,7 +1552,7 @@ static int ip_vs_dst_event(struct notifier_block *this, unsigned long event, } } - list_for_each_entry(dest, &net_ipvs(net)->dest_trash, n_list) { + list_for_each_entry(dest, &ipvs->dest_trash, n_list) { __ip_vs_dev_reset(dest, dev); } mutex_unlock(&__ip_vs_mutex); diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c index 035960ec5cb9..c6f7db720d84 100644 --- a/net/netfilter/xt_set.c +++ b/net/netfilter/xt_set.c @@ -16,6 +16,7 @@ #include <linux/netfilter/x_tables.h> #include <linux/netfilter/xt_set.h> +#include <linux/netfilter/ipset/ip_set_timeout.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); @@ -310,7 +311,8 @@ set_target_v2(struct sk_buff *skb, const struct xt_action_param *par) info->del_set.flags, 0, UINT_MAX); /* Normalize to fit into jiffies */ - if (add_opt.timeout > UINT_MAX/MSEC_PER_SEC) + if (add_opt.timeout != IPSET_NO_TIMEOUT && + add_opt.timeout > UINT_MAX/MSEC_PER_SEC) add_opt.timeout = UINT_MAX/MSEC_PER_SEC; if (info->add_set.index != IPSET_INVALID_ID) ip_set_add(info->add_set.index, skb, par, &add_opt); diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 17a707db40eb..e06d458fc719 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -292,7 +292,7 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *addr, pr_debug("%p\n", sk); - if (llcp_sock == NULL) + if (llcp_sock == NULL || llcp_sock->dev == NULL) return -EBADFD; addr->sa_family = AF_NFC; diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c index 2754f098d436..bebaa43484bc 100644 --- a/net/rxrpc/ar-peer.c +++ b/net/rxrpc/ar-peer.c @@ -229,7 +229,7 @@ found_UDP_peer: return peer; new_UDP_peer: - _net("Rx UDP DGRAM from NEW peer %d", peer->debug_id); + _net("Rx UDP DGRAM from NEW peer"); read_unlock_bh(&rxrpc_peer_lock); _leave(" = -EBUSY [new]"); return ERR_PTR(-EBUSY); diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index a2a95aabf9c2..c412ad0d0308 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -331,29 +331,22 @@ static psched_time_t packet_len_2_sched_time(unsigned int len, struct netem_sche return PSCHED_NS2TICKS(ticks); } -static int tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) +static void tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) { struct sk_buff_head *list = &sch->q; psched_time_t tnext = netem_skb_cb(nskb)->time_to_send; - struct sk_buff *skb; - - if (likely(skb_queue_len(list) < sch->limit)) { - skb = skb_peek_tail(list); - /* Optimize for add at tail */ - if (likely(!skb || tnext >= netem_skb_cb(skb)->time_to_send)) - return qdisc_enqueue_tail(nskb, sch); + struct sk_buff *skb = skb_peek_tail(list); - skb_queue_reverse_walk(list, skb) { - if (tnext >= netem_skb_cb(skb)->time_to_send) - break; - } + /* Optimize for add at tail */ + if (likely(!skb || tnext >= netem_skb_cb(skb)->time_to_send)) + return __skb_queue_tail(list, nskb); - __skb_queue_after(list, skb, nskb); - sch->qstats.backlog += qdisc_pkt_len(nskb); - return NET_XMIT_SUCCESS; + skb_queue_reverse_walk(list, skb) { + if (tnext >= netem_skb_cb(skb)->time_to_send) + break; } - return qdisc_reshape_fail(nskb, sch); + __skb_queue_after(list, skb, nskb); } /* @@ -368,7 +361,6 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; struct sk_buff *skb2; - int ret; int count = 1; /* Random duplication */ @@ -419,6 +411,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8); } + if (unlikely(skb_queue_len(&sch->q) >= sch->limit)) + return qdisc_reshape_fail(skb, sch); + + sch->qstats.backlog += qdisc_pkt_len(skb); + cb = netem_skb_cb(skb); if (q->gap == 0 || /* not doing reordering */ q->counter < q->gap - 1 || /* inside last reordering gap */ @@ -450,7 +447,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) cb->time_to_send = now + delay; ++q->counter; - ret = tfifo_enqueue(skb, sch); + tfifo_enqueue(skb, sch); } else { /* * Do re-ordering by putting one out of N packets at the front @@ -460,16 +457,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) q->counter = 0; __skb_queue_head(&sch->q, skb); - sch->qstats.backlog += qdisc_pkt_len(skb); sch->qstats.requeues++; - ret = NET_XMIT_SUCCESS; - } - - if (ret != NET_XMIT_SUCCESS) { - if (net_xmit_drop_count(ret)) { - sch->qstats.drops++; - return ret; - } } return NET_XMIT_SUCCESS; diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 74305c883bd3..30ea4674cabd 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -570,6 +570,8 @@ static int sfb_dump(struct Qdisc *sch, struct sk_buff *skb) sch->qstats.backlog = q->qdisc->qstats.backlog; opts = nla_nest_start(skb, TCA_OPTIONS); + if (opts == NULL) + goto nla_put_failure; if (nla_put(skb, TCA_SFB_PARMS, sizeof(opt), &opt)) goto nla_put_failure; return nla_nest_end(skb, opts); diff --git a/net/sctp/input.c b/net/sctp/input.c index 80564fe03024..8b9b6790a3df 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -736,15 +736,12 @@ static void __sctp_unhash_endpoint(struct sctp_endpoint *ep) epb = &ep->base; - if (hlist_unhashed(&epb->node)) - return; - epb->hashent = sctp_ep_hashfn(epb->bind_addr.port); head = &sctp_ep_hashtable[epb->hashent]; sctp_write_lock(&head->lock); - __hlist_del(&epb->node); + hlist_del_init(&epb->node); sctp_write_unlock(&head->lock); } @@ -825,7 +822,7 @@ static void __sctp_unhash_established(struct sctp_association *asoc) head = &sctp_assoc_hashtable[epb->hashent]; sctp_write_lock(&head->lock); - __hlist_del(&epb->node); + hlist_del_init(&epb->node); sctp_write_unlock(&head->lock); } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b3b8a8d813eb..31c7bfcd9b58 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1231,8 +1231,14 @@ out_free: SCTP_DEBUG_PRINTK("About to exit __sctp_connect() free asoc: %p" " kaddrs: %p err: %d\n", asoc, kaddrs, err); - if (asoc) + if (asoc) { + /* sctp_primitive_ASSOCIATE may have added this association + * To the hash table, try to unhash it, just in case, its a noop + * if it wasn't hashed so we're safe + */ + sctp_unhash_established(asoc); sctp_association_free(asoc); + } return err; } @@ -1942,8 +1948,10 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, goto out_unlock; out_free: - if (new_asoc) + if (new_asoc) { + sctp_unhash_established(asoc); sctp_association_free(asoc); + } out_unlock: sctp_release_sock(sk); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 372ec6502aa8..ffd8900a38e8 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2717,7 +2717,7 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_TIMES_SET)) return dentry_has_perm(cred, dentry, FILE__SETATTR); - if (ia_valid & ATTR_SIZE) + if (selinux_policycap_openperm && (ia_valid & ATTR_SIZE)) av |= FILE__OPEN; return dentry_has_perm(cred, dentry, av); diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h index b8c53723e09b..df2de54a958d 100644 --- a/security/selinux/include/classmap.h +++ b/security/selinux/include/classmap.h @@ -145,7 +145,9 @@ struct security_class_mapping secclass_map[] = { "node_bind", "name_connect", NULL } }, { "memprotect", { "mmap_zero", NULL } }, { "peer", { "recv", NULL } }, - { "capability2", { "mac_override", "mac_admin", "syslog", NULL } }, + { "capability2", + { "mac_override", "mac_admin", "syslog", "wake_alarm", "block_suspend", + NULL } }, { "kernel_service", { "use_as_override", "create_files_as", NULL } }, { "tun_socket", { COMMON_SOCK_PERMS, NULL } }, diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index e6906901debb..0f647d22cb4a 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -414,7 +414,7 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, { struct list_head *p; struct snd_usb_endpoint *ep; - int ret, is_playback = direction == SNDRV_PCM_STREAM_PLAYBACK; + int is_playback = direction == SNDRV_PCM_STREAM_PLAYBACK; mutex_lock(&chip->mutex); @@ -434,16 +434,6 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, type == SND_USB_ENDPOINT_TYPE_DATA ? "data" : "sync", ep_num); - /* select the alt setting once so the endpoints become valid */ - ret = usb_set_interface(chip->dev, alts->desc.bInterfaceNumber, - alts->desc.bAlternateSetting); - if (ret < 0) { - snd_printk(KERN_ERR "%s(): usb_set_interface() failed, ret = %d\n", - __func__, ret); - ep = NULL; - goto __exit_unlock; - } - ep = kzalloc(sizeof(*ep), GFP_KERNEL); if (!ep) goto __exit_unlock; @@ -831,9 +821,6 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep) if (++ep->use_count != 1) return 0; - if (snd_BUG_ON(!test_bit(EP_FLAG_ACTIVATED, &ep->flags))) - return -EINVAL; - /* just to be sure */ deactivate_urbs(ep, 0, 1); wait_clear_urbs(ep); @@ -911,9 +898,6 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, if (snd_BUG_ON(ep->use_count == 0)) return; - if (snd_BUG_ON(!test_bit(EP_FLAG_ACTIVATED, &ep->flags))) - return; - if (--ep->use_count == 0) { deactivate_urbs(ep, force, can_sleep); ep->data_subs = NULL; @@ -927,42 +911,6 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, } /** - * snd_usb_endpoint_activate: activate an snd_usb_endpoint - * - * @ep: the endpoint to activate - * - * If the endpoint is not currently in use, this functions will select the - * correct alternate interface setting for the interface of this endpoint. - * - * In case of any active users, this functions does nothing. - * - * Returns an error if usb_set_interface() failed, 0 in all other - * cases. - */ -int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep) -{ - if (ep->use_count != 0) - return 0; - - if (!ep->chip->shutdown && - !test_and_set_bit(EP_FLAG_ACTIVATED, &ep->flags)) { - int ret; - - ret = usb_set_interface(ep->chip->dev, ep->iface, ep->alt_idx); - if (ret < 0) { - snd_printk(KERN_ERR "%s() usb_set_interface() failed, ret = %d\n", - __func__, ret); - clear_bit(EP_FLAG_ACTIVATED, &ep->flags); - return ret; - } - - return 0; - } - - return -EBUSY; -} - -/** * snd_usb_endpoint_deactivate: deactivate an snd_usb_endpoint * * @ep: the endpoint to deactivate @@ -980,24 +928,15 @@ int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep) if (!ep) return -EINVAL; + deactivate_urbs(ep, 1, 1); + wait_clear_urbs(ep); + if (ep->use_count != 0) return 0; - if (!ep->chip->shutdown && - test_and_clear_bit(EP_FLAG_ACTIVATED, &ep->flags)) { - int ret; - - ret = usb_set_interface(ep->chip->dev, ep->iface, 0); - if (ret < 0) { - snd_printk(KERN_ERR "%s(): usb_set_interface() failed, ret = %d\n", - __func__, ret); - return ret; - } + clear_bit(EP_FLAG_ACTIVATED, &ep->flags); - return 0; - } - - return -EBUSY; + return 0; } /** diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 54607f8c4f66..a1298f379428 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -261,19 +261,6 @@ static void stop_endpoints(struct snd_usb_substream *subs, force, can_sleep, wait); } -static int activate_endpoints(struct snd_usb_substream *subs) -{ - if (subs->sync_endpoint) { - int ret; - - ret = snd_usb_endpoint_activate(subs->sync_endpoint); - if (ret < 0) - return ret; - } - - return snd_usb_endpoint_activate(subs->data_endpoint); -} - static int deactivate_endpoints(struct snd_usb_substream *subs) { int reta, retb; @@ -314,6 +301,33 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) if (fmt == subs->cur_audiofmt) return 0; + /* close the old interface */ + if (subs->interface >= 0 && subs->interface != fmt->iface) { + err = usb_set_interface(subs->dev, subs->interface, 0); + if (err < 0) { + snd_printk(KERN_ERR "%d:%d:%d: return to setting 0 failed (%d)\n", + dev->devnum, fmt->iface, fmt->altsetting, err); + return -EIO; + } + subs->interface = -1; + subs->altset_idx = 0; + } + + /* set interface */ + if (subs->interface != fmt->iface || + subs->altset_idx != fmt->altset_idx) { + err = usb_set_interface(dev, fmt->iface, fmt->altsetting); + if (err < 0) { + snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed (%d)\n", + dev->devnum, fmt->iface, fmt->altsetting, err); + return -EIO; + } + snd_printdd(KERN_INFO "setting usb interface %d:%d\n", + fmt->iface, fmt->altsetting); + subs->interface = fmt->iface; + subs->altset_idx = fmt->altset_idx; + } + subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip, alts, fmt->endpoint, subs->direction, SND_USB_ENDPOINT_TYPE_DATA); @@ -387,7 +401,7 @@ add_sync_ep: subs->data_endpoint->sync_master = subs->sync_endpoint; } - if ((err = snd_usb_init_pitch(subs->stream->chip, subs->interface, alts, fmt)) < 0) + if ((err = snd_usb_init_pitch(subs->stream->chip, fmt->iface, alts, fmt)) < 0) return err; subs->cur_audiofmt = fmt; @@ -450,7 +464,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, struct usb_interface *iface; iface = usb_ifnum_to_if(subs->dev, fmt->iface); alts = &iface->altsetting[fmt->altset_idx]; - ret = snd_usb_init_sample_rate(subs->stream->chip, subs->interface, alts, fmt, rate); + ret = snd_usb_init_sample_rate(subs->stream->chip, fmt->iface, alts, fmt, rate); if (ret < 0) return ret; subs->cur_rate = rate; @@ -460,12 +474,6 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ stop_endpoints(subs, 0, 0, 0); - deactivate_endpoints(subs); - - ret = activate_endpoints(subs); - if (ret < 0) - goto unlock; - ret = snd_usb_endpoint_set_params(subs->data_endpoint, hw_params, fmt, subs->sync_endpoint); if (ret < 0) @@ -500,6 +508,7 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->period_bytes = 0; mutex_lock(&subs->stream->chip->shutdown_mutex); stop_endpoints(subs, 0, 1, 1); + deactivate_endpoints(subs); mutex_unlock(&subs->stream->chip->shutdown_mutex); return snd_pcm_lib_free_vmalloc_buffer(substream); } @@ -938,16 +947,20 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction) static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction) { - int ret; struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_usb_substream *subs = &as->substream[direction]; stop_endpoints(subs, 0, 0, 0); - ret = deactivate_endpoints(subs); + + if (!as->chip->shutdown && subs->interface >= 0) { + usb_set_interface(subs->dev, subs->interface, 0); + subs->interface = -1; + } + subs->pcm_substream = NULL; snd_usb_autosuspend(subs->stream->chip); - return ret; + return 0; } /* Since a URB can handle only a single linear buffer, we must use double diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 35ae56864e4f..a1f4e3669142 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -669,25 +669,26 @@ struct machine *machines__find(struct rb_root *self, pid_t pid) struct machine *machines__findnew(struct rb_root *self, pid_t pid) { char path[PATH_MAX]; - const char *root_dir; + const char *root_dir = ""; struct machine *machine = machines__find(self, pid); - if (!machine || machine->pid != pid) { - if (pid == HOST_KERNEL_ID || pid == DEFAULT_GUEST_KERNEL_ID) - root_dir = ""; - else { - if (!symbol_conf.guestmount) - goto out; - sprintf(path, "%s/%d", symbol_conf.guestmount, pid); - if (access(path, R_OK)) { - pr_err("Can't access file %s\n", path); - goto out; - } - root_dir = path; + if (machine && (machine->pid == pid)) + goto out; + + if ((pid != HOST_KERNEL_ID) && + (pid != DEFAULT_GUEST_KERNEL_ID) && + (symbol_conf.guestmount)) { + sprintf(path, "%s/%d", symbol_conf.guestmount, pid); + if (access(path, R_OK)) { + pr_err("Can't access file %s\n", path); + machine = NULL; + goto out; } - machine = machines__add(self, pid, root_dir); + root_dir = path; } + machine = machines__add(self, pid, root_dir); + out: return machine; } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index c3e399bcf18d..56142d0fb8d7 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -926,7 +926,7 @@ static struct machine * else pid = event->ip.pid; - return perf_session__find_machine(session, pid); + return perf_session__findnew_machine(session, pid); } return perf_session__find_host_machine(session); diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index df2fddbf0cd2..5dd3b5ec8411 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -198,9 +198,8 @@ void print_trace_event(int cpu, void *data, int size) record.data = data; trace_seq_init(&s); - pevent_print_event(pevent, &s, &record); + pevent_event_info(&s, event, &record); trace_seq_do_printf(&s); - printf("\n"); } void print_event(int cpu, void *data, int size, unsigned long long nsecs, diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index b1e091ae2f37..23a41a9f8db9 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -334,6 +334,11 @@ static int assigned_device_enable_host_intx(struct kvm *kvm, } #ifdef __KVM_HAVE_MSI +static irqreturn_t kvm_assigned_dev_msi(int irq, void *dev_id) +{ + return IRQ_WAKE_THREAD; +} + static int assigned_device_enable_host_msi(struct kvm *kvm, struct kvm_assigned_dev_kernel *dev) { @@ -346,7 +351,7 @@ static int assigned_device_enable_host_msi(struct kvm *kvm, } dev->host_irq = dev->dev->irq; - if (request_threaded_irq(dev->host_irq, NULL, + if (request_threaded_irq(dev->host_irq, kvm_assigned_dev_msi, kvm_assigned_dev_thread_msi, 0, dev->irq_name, dev)) { pci_disable_msi(dev->dev); @@ -358,6 +363,11 @@ static int assigned_device_enable_host_msi(struct kvm *kvm, #endif #ifdef __KVM_HAVE_MSIX +static irqreturn_t kvm_assigned_dev_msix(int irq, void *dev_id) +{ + return IRQ_WAKE_THREAD; +} + static int assigned_device_enable_host_msix(struct kvm *kvm, struct kvm_assigned_dev_kernel *dev) { @@ -374,7 +384,8 @@ static int assigned_device_enable_host_msix(struct kvm *kvm, for (i = 0; i < dev->entries_nr; i++) { r = request_threaded_irq(dev->host_msix_entries[i].vector, - NULL, kvm_assigned_dev_thread_msix, + kvm_assigned_dev_msix, + kvm_assigned_dev_thread_msix, 0, dev->irq_name, dev); if (r) goto err; |