diff options
Diffstat (limited to 'arch')
82 files changed, 707 insertions, 945 deletions
diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index d8559344c6e2..f5a52204b89f 100644 --- a/arch/arm/mach-omap1/dma.c +++ b/arch/arm/mach-omap1/dma.c @@ -284,14 +284,15 @@ static int __init omap1_system_dma_init(void) dma_base = ioremap(res[0].start, resource_size(&res[0])); if (!dma_base) { pr_err("%s: Unable to ioremap\n", __func__); - return -ENODEV; + ret = -ENODEV; + goto exit_device_put; } ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); if (ret) { dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n", __func__, pdev->name, pdev->id); - goto exit_device_del; + goto exit_device_put; } p = kzalloc(sizeof(struct omap_system_dma_plat_info), GFP_KERNEL); @@ -299,7 +300,7 @@ static int __init omap1_system_dma_init(void) dev_err(&pdev->dev, "%s: Unable to allocate 'p' for %s\n", __func__, pdev->name); ret = -ENOMEM; - goto exit_device_put; + goto exit_device_del; } d = kzalloc(sizeof(struct omap_dma_dev_attr), GFP_KERNEL); @@ -380,10 +381,10 @@ exit_release_d: kfree(d); exit_release_p: kfree(p); -exit_device_put: - platform_device_put(pdev); exit_device_del: platform_device_del(pdev); +exit_device_put: + platform_device_put(pdev); return ret; } diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index d54969be0a54..5de6eac0a725 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -26,13 +26,13 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/gpio.h> #include <plat/board.h> #include <plat/common.h> #include <plat/gpmc.h> diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index ae2963a98041..5dac974be625 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -622,19 +622,19 @@ static struct omap_device_pad serial3_pads[] __initdata = { OMAP_MUX_MODE0), }; -static struct omap_board_data serial1_data = { +static struct omap_board_data serial1_data __initdata = { .id = 0, .pads = serial1_pads, .pads_cnt = ARRAY_SIZE(serial1_pads), }; -static struct omap_board_data serial2_data = { +static struct omap_board_data serial2_data __initdata = { .id = 1, .pads = serial2_pads, .pads_cnt = ARRAY_SIZE(serial2_pads), }; -static struct omap_board_data serial3_data = { +static struct omap_board_data serial3_data __initdata = { .id = 2, .pads = serial3_pads, .pads_cnt = ARRAY_SIZE(serial3_pads), diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 73fa90bb6953..63de2d396e2d 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -258,7 +258,7 @@ static struct gpio sdp4430_eth_gpios[] __initdata = { { ETH_KS8851_IRQ, GPIOF_IN, "eth_irq" }, }; -static int omap_ethernet_init(void) +static int __init omap_ethernet_init(void) { int status; @@ -322,6 +322,7 @@ static struct omap2_hsmmc_info mmc[] = { .gpio_wp = -EINVAL, .nonremovable = true, .ocr_mask = MMC_VDD_29_30, + .no_off_init = true, }, { .mmc = 1, @@ -681,19 +682,19 @@ static struct omap_device_pad serial4_pads[] __initdata = { OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), }; -static struct omap_board_data serial2_data = { +static struct omap_board_data serial2_data __initdata = { .id = 1, .pads = serial2_pads, .pads_cnt = ARRAY_SIZE(serial2_pads), }; -static struct omap_board_data serial3_data = { +static struct omap_board_data serial3_data __initdata = { .id = 2, .pads = serial3_pads, .pads_cnt = ARRAY_SIZE(serial3_pads), }; -static struct omap_board_data serial4_data = { +static struct omap_board_data serial4_data __initdata = { .id = 3, .pads = serial4_pads, .pads_cnt = ARRAY_SIZE(serial4_pads), @@ -729,7 +730,7 @@ static void __init omap_4430sdp_init(void) if (omap_rev() == OMAP4430_REV_ES1_0) package = OMAP_PACKAGE_CBL; - omap4_mux_init(board_mux, package); + omap4_mux_init(board_mux, NULL, package); omap_board_config = sdp4430_config; omap_board_config_size = ARRAY_SIZE(sdp4430_config); diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c index f3beb8eeef77..b124bdfb4239 100644 --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -27,13 +27,13 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/smc91x.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> -#include <mach/gpio.h> #include <plat/led.h> #include <plat/usb.h> #include <plat/board.h> diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index c63115bc1536..77456dec93ea 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -63,8 +63,6 @@ #define SB_T35_SMSC911X_CS 4 #define SB_T35_SMSC911X_GPIO 65 -#define NAND_BLOCK_SIZE SZ_128K - #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) #include <linux/smsc911x.h> #include <plat/gpmc-smsc911x.h> diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 08f08e812492..c3a9fd35034a 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -48,6 +48,7 @@ #include "mux.h" #include "control.h" +#include "common-board-devices.h" #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) static struct gpio_led cm_t3517_leds[] = { @@ -177,7 +178,7 @@ static struct usbhs_omap_board_data cm_t3517_ehci_pdata __initdata = { .reset_gpio_port[2] = -EINVAL, }; -static int cm_t3517_init_usbh(void) +static int __init cm_t3517_init_usbh(void) { int err; @@ -203,8 +204,6 @@ static inline int cm_t3517_init_usbh(void) #endif #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) -#define NAND_BLOCK_SIZE SZ_128K - static struct mtd_partition cm_t3517_nand_partitions[] = { { .name = "xloader", diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index cf520d7dd614..34956ec83296 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -61,8 +61,6 @@ #include "timer-gp.h" #include "common-board-devices.h" -#define NAND_BLOCK_SIZE SZ_128K - #define OMAP_DM9000_GPIO_IRQ 25 #define OMAP3_DEVKIT_TS_GPIO 27 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index be71426359f2..7f21d24bd437 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -54,8 +54,6 @@ #include "pm.h" #include "common-board-devices.h" -#define NAND_BLOCK_SIZE SZ_128K - /* * OMAP3 Beagle revision * Run time detection of Beagle revision is done by reading GPIO. @@ -106,6 +104,9 @@ static void __init omap3_beagle_init_rev(void) beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1) | (gpio_get_value(173) << 2); + gpio_free_array(omap3_beagle_rev_gpios, + ARRAY_SIZE(omap3_beagle_rev_gpios)); + switch (beagle_rev) { case 7: printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n"); @@ -579,6 +580,9 @@ static void __init omap3_beagle_init(void) omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions, ARRAY_SIZE(omap3beagle_nand_partitions)); + /* Ensure msecure is mux'd to be able to set the RTC. */ + omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH); + /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 1d10736c6d3c..2a0bb4818cae 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -30,6 +30,7 @@ #include <linux/leds.h> #include <linux/input.h> #include <linux/input/matrix_keypad.h> +#include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> @@ -41,7 +42,6 @@ #include <plat/board.h> #include <plat/common.h> -#include <mach/gpio.h> #include <mach/hardware.h> #include <plat/mcspi.h> #include <plat/usb.h> @@ -57,8 +57,6 @@ #define PANDORA_WIFI_NRESET_GPIO 23 #define OMAP3_PANDORA_TS_GPIO 94 -#define NAND_BLOCK_SIZE SZ_128K - static struct mtd_partition omap3pandora_nand_partitions[] = { { .name = "xloader", diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index 82872d7d313b..5f649faf7377 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -56,8 +56,6 @@ #include <asm/setup.h> -#define NAND_BLOCK_SIZE SZ_128K - #define OMAP3_AC_GPIO 136 #define OMAP3_TS_GPIO 162 #define TB_BL_PWM_TIMER 9 diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 90485fced973..0cfe2005cb50 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -526,19 +526,19 @@ static struct omap_device_pad serial4_pads[] __initdata = { OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), }; -static struct omap_board_data serial2_data = { +static struct omap_board_data serial2_data __initdata = { .id = 1, .pads = serial2_pads, .pads_cnt = ARRAY_SIZE(serial2_pads), }; -static struct omap_board_data serial3_data = { +static struct omap_board_data serial3_data __initdata = { .id = 2, .pads = serial3_pads, .pads_cnt = ARRAY_SIZE(serial3_pads), }; -static struct omap_board_data serial4_data = { +static struct omap_board_data serial4_data __initdata = { .id = 3, .pads = serial4_pads, .pads_cnt = ARRAY_SIZE(serial4_pads), @@ -687,7 +687,7 @@ static void __init omap4_panda_init(void) if (omap_rev() == OMAP4430_REV_ES1_0) package = OMAP_PACKAGE_CBL; - omap4_mux_init(board_mux, package); + omap4_mux_init(board_mux, NULL, package); if (wl12xx_set_platform_data(&omap_panda_wlan_data)) pr_err("error setting wl12xx data\n"); diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 1555918e3ffa..175e1ab2b04d 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/gpio.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/i2c/twl.h> @@ -45,7 +46,6 @@ #include <plat/common.h> #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> -#include <mach/gpio.h> #include <plat/gpmc.h> #include <mach/hardware.h> #include <plat/nand.h> @@ -65,8 +65,6 @@ #define OVERO_GPIO_USBH_CPEN 168 #define OVERO_GPIO_USBH_NRESET 183 -#define NAND_BLOCK_SIZE SZ_128K - #define OVERO_SMSC911X_CS 5 #define OVERO_SMSC911X_GPIO 176 #define OVERO_SMSC911X2_CS 4 diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index f6247e71a194..990366726c58 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -488,6 +488,7 @@ static struct regulator_init_data rx51_vmmc2 = { .name = "V28_A", .min_uV = 2800000, .max_uV = 3000000, + .always_on = true, /* due VIO leak to AIC34 VDDs */ .apply_uV = true, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, @@ -582,7 +583,7 @@ static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) { /* FIXME this gpio setup is just a placeholder for now */ gpio_request_one(gpio + 6, GPIOF_OUT_INIT_LOW, "backlight_pwm"); - gpio_request_one(gpio + 7, GPIOF_OUT_INIT_HIGH, "speaker_en"); + gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "speaker_en"); return 0; } diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c index c7c6beb1ec24..d4683ba5f721 100644 --- a/arch/arm/mach-omap2/board-zoom-display.c +++ b/arch/arm/mach-omap2/board-zoom-display.c @@ -26,7 +26,7 @@ static struct gpio zoom_lcd_gpios[] __initdata = { { LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "lcd qvga" }, }; -static void zoom_lcd_panel_init(void) +static void __init zoom_lcd_panel_init(void) { zoom_lcd_gpios[0].gpio = (omap_rev() > OMAP3430_REV_ES3_0) ? LCD_PANEL_RESET_GPIO_PROD : diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c index e94903b2c65b..94ccf464677b 100644 --- a/arch/arm/mach-omap2/common-board-devices.c +++ b/arch/arm/mach-omap2/common-board-devices.c @@ -85,17 +85,17 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, struct spi_board_info *spi_bi = &ads7846_spi_board_info; int err; - err = gpio_request(gpio_pendown, "TS PenDown"); - if (err) { - pr_err("Could not obtain gpio for TS PenDown: %d\n", err); - return; - } - - gpio_direction_input(gpio_pendown); - gpio_export(gpio_pendown, 0); + if (board_pdata && board_pdata->get_pendown_state) { + err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown"); + if (err) { + pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err); + return; + } + gpio_export(gpio_pendown, 0); - if (gpio_debounce) - gpio_set_debounce(gpio_pendown, gpio_debounce); + if (gpio_debounce) + gpio_set_debounce(gpio_pendown, gpio_debounce); + } ads7846_config.gpio_pendown = gpio_pendown; diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h index eb80b3b0ef47..679719051df5 100644 --- a/arch/arm/mach-omap2/common-board-devices.h +++ b/arch/arm/mach-omap2/common-board-devices.h @@ -1,6 +1,8 @@ #ifndef __OMAP_COMMON_BOARD_DEVICES__ #define __OMAP_COMMON_BOARD_DEVICES__ +#define NAND_BLOCK_SIZE SZ_128K + struct twl4030_platform_data; struct mtd_partition; diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 7b8558564591..5b8ca680ed93 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -97,7 +97,7 @@ static int __init omap4_l3_init(void) WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name); - return PTR_ERR(od); + return IS_ERR(od) ? PTR_ERR(od) : 0; } postcore_initcall(omap4_l3_init); diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index b2f30bed5a20..66868c5d5a29 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -145,6 +145,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, int power_on, int vdd) { u32 reg; + unsigned long timeout; if (power_on) { reg = omap4_ctrl_pad_readl(control_pbias_offset); @@ -157,9 +158,15 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, OMAP4_MMC1_PWRDNZ_MASK | OMAP4_USBC1_ICUSB_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); - /* 4 microsec delay for comparator to generate an error*/ - udelay(4); - reg = omap4_ctrl_pad_readl(control_pbias_offset); + + timeout = jiffies + msecs_to_jiffies(5); + do { + reg = omap4_ctrl_pad_readl(control_pbias_offset); + if (!(reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK)) + break; + usleep_range(100, 200); + } while (!time_after(jiffies, timeout)); + if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) { pr_err("Pbias Voltage is not same as LDO\n"); /* Caution : On VMODE_ERROR Power Down MMC IO */ @@ -331,6 +338,9 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, if (c->no_off) mmc->slots[0].no_off = 1; + if (c->no_off_init) + mmc->slots[0].no_regulator_off_init = c->no_off_init; + if (c->vcc_aux_disable_is_sleep) mmc->slots[0].vcc_aux_disable_is_sleep = 1; diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h index f119348827d4..f757e78d4d4f 100644 --- a/arch/arm/mach-omap2/hsmmc.h +++ b/arch/arm/mach-omap2/hsmmc.h @@ -18,6 +18,7 @@ struct omap2_hsmmc_info { bool nonremovable; /* Nonremovable e.g. eMMC */ bool power_saving; /* Try to sleep or power off when possible */ bool no_off; /* power_saving and power is not to go off */ + bool no_off_init; /* no power off when not in MMC sleep state */ bool vcc_aux_disable_is_sleep; /* Regulator off remapped to sleep */ int gpio_cd; /* or -EINVAL */ int gpio_wp; /* or -EINVAL */ diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index a4ab1e364313..c7fb22abc219 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -83,6 +83,9 @@ void omap_mux_write(struct omap_mux_partition *partition, u16 val, void omap_mux_write_array(struct omap_mux_partition *partition, struct omap_board_mux *board_mux) { + if (!board_mux) + return; + while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) { omap_mux_write(partition, board_mux->value, board_mux->reg_offset); @@ -906,7 +909,7 @@ static struct omap_mux *omap_mux_get_by_gpio( u16 omap_mux_get_gpio(int gpio) { struct omap_mux_partition *partition; - struct omap_mux *m; + struct omap_mux *m = NULL; list_for_each_entry(partition, &mux_partitions, node) { m = omap_mux_get_by_gpio(partition, gpio); diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index 137f321c029f..2132308ad1e4 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -323,10 +323,12 @@ int omap3_mux_init(struct omap_board_mux *board_mux, int flags); /** * omap4_mux_init() - initialize mux system with board specific set - * @board_mux: Board specific mux table + * @board_subset: Board specific mux table + * @board_wkup_subset: Board specific mux table for wakeup instance * @flags: OMAP package type used for the board */ -int omap4_mux_init(struct omap_board_mux *board_mux, int flags); +int omap4_mux_init(struct omap_board_mux *board_subset, + struct omap_board_mux *board_wkup_subset, int flags); /** * omap_mux_init - private mux init function, do not call diff --git a/arch/arm/mach-omap2/mux44xx.c b/arch/arm/mach-omap2/mux44xx.c index 9a66445112ae..f5a74daab2ff 100644 --- a/arch/arm/mach-omap2/mux44xx.c +++ b/arch/arm/mach-omap2/mux44xx.c @@ -1309,7 +1309,8 @@ static struct omap_ball __initdata omap4_wkup_cbl_cbs_ball[] = { #define omap4_wkup_cbl_cbs_ball NULL #endif -int __init omap4_mux_init(struct omap_board_mux *board_subset, int flags) +int __init omap4_mux_init(struct omap_board_mux *board_subset, + struct omap_board_mux *board_wkup_subset, int flags) { struct omap_ball *package_balls_core; struct omap_ball *package_balls_wkup = omap4_wkup_cbl_cbs_ball; @@ -1347,7 +1348,7 @@ int __init omap4_mux_init(struct omap_board_mux *board_subset, int flags) OMAP_MUX_GPIO_IN_MODE3, OMAP4_CTRL_MODULE_PAD_WKUP_MUX_PBASE, OMAP4_CTRL_MODULE_PAD_WKUP_MUX_SIZE, - omap4_wkup_muxmodes, NULL, board_subset, + omap4_wkup_muxmodes, NULL, board_wkup_subset, package_balls_wkup); return ret; diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index e03429453ce7..293fa6cd50e1 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1628,7 +1628,7 @@ int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data), void *data) { struct omap_hwmod *temp_oh; - int ret; + int ret = 0; if (!fn) return -EINVAL; diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index abc548a0c98d..e1c69ffe0f69 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -5109,7 +5109,7 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { &omap44xx_iva_seq1_hwmod, /* kbd class */ -/* &omap44xx_kbd_hwmod, */ + &omap44xx_kbd_hwmod, /* mailbox class */ &omap44xx_mailbox_hwmod, diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index f47813edd951..58775e3c8476 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -56,8 +56,10 @@ int omap4430_phy_init(struct device *dev) /* Power down the phy */ __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); - if (!dev) + if (!dev) { + iounmap(ctrl_base); return 0; + } phyclk = clk_get(dev, "ocp2scp_usb_phy_ick"); if (IS_ERR(phyclk)) { diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 08acb6ec8139..f6b687f61c28 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -249,6 +249,29 @@ static int slot_cn7_get_cd(struct platform_device *pdev) { return !gpio_get_value(GPIO_PORT41); } +/* MERAM */ +static struct sh_mobile_meram_info meram_info = { + .addr_mode = SH_MOBILE_MERAM_MODE1, +}; + +static struct resource meram_resources[] = { + [0] = { + .name = "MERAM", + .start = 0xe8000000, + .end = 0xe81fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device meram_device = { + .name = "sh_mobile_meram", + .id = 0, + .num_resources = ARRAY_SIZE(meram_resources), + .resource = meram_resources, + .dev = { + .platform_data = &meram_info, + }, +}; /* SH_MMCIF */ static struct resource sh_mmcif_resources[] = { @@ -447,13 +470,29 @@ const static struct fb_videomode ap4evb_lcdc_modes[] = { #endif }, }; +static struct sh_mobile_meram_cfg lcd_meram_cfg = { + .icb[0] = { + .marker_icb = 28, + .cache_icb = 24, + .meram_offset = 0x0, + .meram_size = 0x40, + }, + .icb[1] = { + .marker_icb = 29, + .cache_icb = 25, + .meram_offset = 0x40, + .meram_size = 0x40, + }, +}; static struct sh_mobile_lcdc_info lcdc_info = { + .meram_dev = &meram_info, .ch[0] = { .chan = LCDC_CHAN_MAINLCD, .bpp = 16, .lcd_cfg = ap4evb_lcdc_modes, .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes), + .meram_cfg = &lcd_meram_cfg, } }; @@ -724,15 +763,31 @@ static struct platform_device fsi_device = { static struct platform_device fsi_ak4643_device = { .name = "sh_fsi2_a_ak4643", }; +static struct sh_mobile_meram_cfg hdmi_meram_cfg = { + .icb[0] = { + .marker_icb = 30, + .cache_icb = 26, + .meram_offset = 0x80, + .meram_size = 0x100, + }, + .icb[1] = { + .marker_icb = 31, + .cache_icb = 27, + .meram_offset = 0x180, + .meram_size = 0x100, + }, +}; static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = { .clock_source = LCDC_CLK_EXTERNAL, + .meram_dev = &meram_info, .ch[0] = { .chan = LCDC_CHAN_MAINLCD, .bpp = 16, .interface_type = RGB24, .clock_divider = 1, .flags = LCDC_FLAGS_DWPOL, + .meram_cfg = &hdmi_meram_cfg, } }; @@ -961,6 +1016,7 @@ static struct platform_device *ap4evb_devices[] __initdata = { &csi2_device, &ceu_device, &ap4evb_camera, + &meram_device, }; static void __init hdmi_init_pm_clock(void) diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 448ddbe43335..776f20560e72 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -39,6 +39,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/pm_runtime.h> #include <linux/smsc911x.h> #include <linux/sh_intc.h> #include <linux/tca6416_keypad.h> @@ -314,6 +315,30 @@ static struct platform_device smc911x_device = { }, }; +/* MERAM */ +static struct sh_mobile_meram_info mackerel_meram_info = { + .addr_mode = SH_MOBILE_MERAM_MODE1, +}; + +static struct resource meram_resources[] = { + [0] = { + .name = "MERAM", + .start = 0xe8000000, + .end = 0xe81fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device meram_device = { + .name = "sh_mobile_meram", + .id = 0, + .num_resources = ARRAY_SIZE(meram_resources), + .resource = meram_resources, + .dev = { + .platform_data = &mackerel_meram_info, + }, +}; + /* LCDC */ static struct fb_videomode mackerel_lcdc_modes[] = { { @@ -342,7 +367,23 @@ static int mackerel_get_brightness(void *board_data) return gpio_get_value(GPIO_PORT31); } +static struct sh_mobile_meram_cfg lcd_meram_cfg = { + .icb[0] = { + .marker_icb = 28, + .cache_icb = 24, + .meram_offset = 0x0, + .meram_size = 0x40, + }, + .icb[1] = { + .marker_icb = 29, + .cache_icb = 25, + .meram_offset = 0x40, + .meram_size = 0x40, + }, +}; + static struct sh_mobile_lcdc_info lcdc_info = { + .meram_dev = &mackerel_meram_info, .clock_source = LCDC_CLK_BUS, .ch[0] = { .chan = LCDC_CHAN_MAINLCD, @@ -362,6 +403,7 @@ static struct sh_mobile_lcdc_info lcdc_info = { .name = "sh_mobile_lcdc_bl", .max_brightness = 1, }, + .meram_cfg = &lcd_meram_cfg, } }; @@ -388,8 +430,23 @@ static struct platform_device lcdc_device = { }, }; +static struct sh_mobile_meram_cfg hdmi_meram_cfg = { + .icb[0] = { + .marker_icb = 30, + .cache_icb = 26, + .meram_offset = 0x80, + .meram_size = 0x100, + }, + .icb[1] = { + .marker_icb = 31, + .cache_icb = 27, + .meram_offset = 0x180, + .meram_size = 0x100, + }, +}; /* HDMI */ static struct sh_mobile_lcdc_info hdmi_lcdc_info = { + .meram_dev = &mackerel_meram_info, .clock_source = LCDC_CLK_EXTERNAL, .ch[0] = { .chan = LCDC_CHAN_MAINLCD, @@ -397,6 +454,7 @@ static struct sh_mobile_lcdc_info hdmi_lcdc_info = { .interface_type = RGB24, .clock_divider = 1, .flags = LCDC_FLAGS_DWPOL, + .meram_cfg = &hdmi_meram_cfg, } }; @@ -856,6 +914,17 @@ static int slot_cn7_get_cd(struct platform_device *pdev) } /* SDHI0 */ +static irqreturn_t mackerel_sdhi0_gpio_cd(int irq, void *arg) +{ + struct device *dev = arg; + struct sh_mobile_sdhi_info *info = dev->platform_data; + struct tmio_mmc_data *pdata = info->pdata; + + tmio_mmc_cd_wakeup(pdata); + + return IRQ_HANDLED; +} + static struct sh_mobile_sdhi_info sdhi0_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, @@ -1150,6 +1219,7 @@ static struct platform_device *mackerel_devices[] __initdata = { &mackerel_camera, &hdmi_lcdc_device, &hdmi_device, + &meram_device, }; /* Keypad Initialization */ @@ -1238,6 +1308,7 @@ static void __init mackerel_init(void) { u32 srcr4; struct clk *clk; + int ret; sh7372_pinmux_init(); @@ -1343,6 +1414,13 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); + ret = request_irq(evt2irq(0x3340), mackerel_sdhi0_gpio_cd, + IRQF_TRIGGER_FALLING, "sdhi0 cd", &sdhi0_device.dev); + if (!ret) + sdhi0_info.tmio_flags |= TMIO_MMC_HAS_COLD_CD; + else + pr_err("Cannot get IRQ #%d: %d\n", evt2irq(0x3340), ret); + #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* enable SDHI1 */ gpio_request(GPIO_FN_SDHICMD1, NULL); diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index d17eb66f4ac2..c0800d83971e 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -509,6 +509,7 @@ enum { MSTP001, MSTP118, MSTP117, MSTP116, MSTP113, MSTP106, MSTP101, MSTP100, MSTP223, + MSTP218, MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, MSTP423, MSTP415, MSTP413, MSTP411, MSTP410, MSTP406, MSTP403, @@ -534,6 +535,9 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ [MSTP223] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR2, 23, 0), /* SPU2 */ + [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ + [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ + [MSTP216] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -626,6 +630,9 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ CLKDEV_DEV_ID("uio_pdrv_genirq.6", &mstp_clks[MSTP223]), /* SPU2DSP0 */ CLKDEV_DEV_ID("uio_pdrv_genirq.7", &mstp_clks[MSTP223]), /* SPU2DSP1 */ + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* DMAC1 */ + CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* DMAC2 */ + CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), /* DMAC3 */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP206]), /* SCIFB */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index c84442cabe07..5ad8b2f94f8d 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -24,6 +24,8 @@ #include <mach/irqs.h> +#include "board-harmony.h" + #define PMC_CTRL 0x0 #define PMC_CTRL_INTR_LOW (1 << 17) @@ -98,7 +100,7 @@ static struct tps6586x_platform_data tps_platform = { .irq_base = TEGRA_NR_IRQS, .num_subdevs = ARRAY_SIZE(tps_devs), .subdevs = tps_devs, - .gpio_base = TEGRA_NR_GPIOS, + .gpio_base = HARMONY_GPIO_TPS6586X(0), }; static struct i2c_board_info __initdata harmony_regulators[] = { diff --git a/arch/arm/mach-tegra/board-harmony.h b/arch/arm/mach-tegra/board-harmony.h index 1e57b071f52d..d85142edaf6b 100644 --- a/arch/arm/mach-tegra/board-harmony.h +++ b/arch/arm/mach-tegra/board-harmony.h @@ -17,7 +17,8 @@ #ifndef _MACH_TEGRA_BOARD_HARMONY_H #define _MACH_TEGRA_BOARD_HARMONY_H -#define HARMONY_GPIO_WM8903(_x_) (TEGRA_NR_GPIOS + (_x_)) +#define HARMONY_GPIO_TPS6586X(_x_) (TEGRA_NR_GPIOS + (_x_)) +#define HARMONY_GPIO_WM8903(_x_) (HARMONY_GPIO_TPS6586X(4) + (_x_)) #define TEGRA_GPIO_SD2_CD TEGRA_GPIO_PI5 #define TEGRA_GPIO_SD2_WP TEGRA_GPIO_PH1 diff --git a/arch/arm/plat-omap/include/plat/flash.h b/arch/arm/plat-omap/include/plat/flash.h index 3083195123ea..0d88499b79e9 100644 --- a/arch/arm/plat-omap/include/plat/flash.h +++ b/arch/arm/plat-omap/include/plat/flash.h @@ -11,6 +11,7 @@ #include <linux/mtd/map.h> +struct platform_device; extern void omap1_set_vpp(struct platform_device *pdev, int enable); #endif diff --git a/arch/arm/plat-omap/include/plat/iovmm.h b/arch/arm/plat-omap/include/plat/iovmm.h index 32a2f6c4d39e..e992b9655fbc 100644 --- a/arch/arm/plat-omap/include/plat/iovmm.h +++ b/arch/arm/plat-omap/include/plat/iovmm.h @@ -29,9 +29,6 @@ struct iovm_struct { * lower 16 bit is used for h/w and upper 16 bit is for s/w. */ #define IOVMF_SW_SHIFT 16 -#define IOVMF_HW_SIZE (1 << IOVMF_SW_SHIFT) -#define IOVMF_HW_MASK (IOVMF_HW_SIZE - 1) -#define IOVMF_SW_MASK (~IOVMF_HW_MASK)UL /* * iovma: h/w flags derived from cam and ram attribute diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index f38fef9f1310..c7b874186c27 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -101,6 +101,9 @@ struct omap_mmc_platform_data { /* If using power_saving and the MMC power is not to go off */ unsigned no_off:1; + /* eMMC does not handle power off when not in sleep state */ + unsigned no_regulator_off_init:1; + /* Regulator off remapped to sleep */ unsigned vcc_aux_disable_is_sleep:1; diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 51ef43e8def6..83a37c54342f 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -648,7 +648,6 @@ u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt, return PTR_ERR(va); } - flags &= IOVMF_HW_MASK; flags |= IOVMF_DISCONT; flags |= IOVMF_MMIO; @@ -706,7 +705,6 @@ u32 iommu_vmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) if (!va) return -ENOMEM; - flags &= IOVMF_HW_MASK; flags |= IOVMF_DISCONT; flags |= IOVMF_ALLOC; @@ -795,7 +793,6 @@ u32 iommu_kmap(struct iommu *obj, u32 da, u32 pa, size_t bytes, if (!va) return -ENOMEM; - flags &= IOVMF_HW_MASK; flags |= IOVMF_LINEAR; flags |= IOVMF_MMIO; @@ -853,7 +850,6 @@ u32 iommu_kmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags) return -ENOMEM; pa = virt_to_phys(va); - flags &= IOVMF_HW_MASK; flags |= IOVMF_LINEAR; flags |= IOVMF_ALLOC; diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index a3f50b34a90d..6af3d0b1f8d0 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -166,7 +166,7 @@ static void __init omap_detect_sram(void) else if (cpu_is_omap1611()) omap_sram_size = SZ_256K; else { - printk(KERN_ERR "Could not detect SRAM size\n"); + pr_err("Could not detect SRAM size\n"); omap_sram_size = 0x4000; } } @@ -221,10 +221,10 @@ static void __init omap_map_sram(void) omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE); iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc)); - printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n", - __pfn_to_phys(omap_sram_io_desc[0].pfn), - omap_sram_io_desc[0].virtual, - omap_sram_io_desc[0].length); + pr_info("SRAM: Mapped pa 0x%08llx to va 0x%08lx size: 0x%lx\n", + (long long) __pfn_to_phys(omap_sram_io_desc[0].pfn), + omap_sram_io_desc[0].virtual, + omap_sram_io_desc[0].length); /* * Normally devicemaps_init() would flush caches and tlb after @@ -252,7 +252,7 @@ static void __init omap_map_sram(void) void *omap_sram_push_address(unsigned long size) { if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) { - printk(KERN_ERR "Not enough space in SRAM\n"); + pr_err("Not enough space in SRAM\n"); return NULL; } diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S index f3931d50b4a7..2c07dddac995 100644 --- a/arch/blackfin/lib/strncpy.S +++ b/arch/blackfin/lib/strncpy.S @@ -25,7 +25,7 @@ ENTRY(_strncpy) CC = R2 == 0; - if CC JUMP 4f; + if CC JUMP 6f; P2 = R2 ; /* size */ P0 = R0 ; /* dst*/ diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c index f03cb278828f..bd3e5e73826e 100644 --- a/arch/mn10300/kernel/traps.c +++ b/arch/mn10300/kernel/traps.c @@ -28,7 +28,7 @@ #include <linux/irq.h> #include <asm/processor.h> #include <asm/system.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/io.h> #include <asm/atomic.h> #include <asm/smp.h> @@ -156,7 +156,7 @@ int die_if_no_fixup(const char *str, struct pt_regs *regs, case EXCEP_TRAP: case EXCEP_UNIMPINS: - if (get_user(opcode, (uint8_t __user *)regs->pc) != 0) + if (probe_kernel_read(&opcode, (u8 *)regs->pc, 1) < 0) break; if (opcode == 0xff) { if (notify_die(DIE_BREAKPOINT, str, regs, code, 0, 0)) diff --git a/arch/mn10300/kernel/vmlinux.lds.S b/arch/mn10300/kernel/vmlinux.lds.S index 6f702a6ab395..13c4814c29f8 100644 --- a/arch/mn10300/kernel/vmlinux.lds.S +++ b/arch/mn10300/kernel/vmlinux.lds.S @@ -44,6 +44,7 @@ SECTIONS RO_DATA(PAGE_SIZE) /* writeable */ + _sdata = .; /* Start of rw data section */ RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) _edata = .; diff --git a/arch/mn10300/mm/cache-dbg-flush-by-reg.S b/arch/mn10300/mm/cache-dbg-flush-by-reg.S index 665919f2ab62..a775ea5d7cee 100644 --- a/arch/mn10300/mm/cache-dbg-flush-by-reg.S +++ b/arch/mn10300/mm/cache-dbg-flush-by-reg.S @@ -120,14 +120,14 @@ debugger_local_cache_flushinv_one: # conditionally purge this line in all ways mov d1,(L1_CACHE_WAYDISP*0,a0) -debugger_local_cache_flushinv_no_dcache: +debugger_local_cache_flushinv_one_no_dcache: # # now try to flush the icache # mov CHCTR,a0 movhu (a0),d0 btst CHCTR_ICEN,d0 - beq mn10300_local_icache_inv_range_reg_end + beq debugger_local_cache_flushinv_one_end LOCAL_CLI_SAVE(d1) diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index 3d80c3e9cf60..12da77ec0228 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -1,5 +1,4 @@ addnote -dtc empty.c hack-coff infblock.c diff --git a/arch/powerpc/boot/dtc-src/.gitignore b/arch/powerpc/boot/dtc-src/.gitignore deleted file mode 100644 index a7c3f94e5e75..000000000000 --- a/arch/powerpc/boot/dtc-src/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -dtc-lexer.lex.c -dtc-parser.tab.c -dtc-parser.tab.h diff --git a/arch/powerpc/include/asm/rio.h b/arch/powerpc/include/asm/rio.h index d902abd33995..b1d2deceeedb 100644 --- a/arch/powerpc/include/asm/rio.h +++ b/arch/powerpc/include/asm/rio.h @@ -14,7 +14,7 @@ #define ASM_PPC_RIO_H extern void platform_rio_init(void); -#ifdef CONFIG_RAPIDIO +#ifdef CONFIG_FSL_RIO extern int fsl_rio_mcheck_exception(struct pt_regs *); #else static inline int fsl_rio_mcheck_exception(struct pt_regs *regs) {return 0; } diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 34d2722b9451..9fb933248ab6 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1979,7 +1979,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .pvr_value = 0x80240000, .cpu_name = "e5500", .cpu_features = CPU_FTRS_E5500, - .cpu_user_features = COMMON_USER_BOOKE, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, .icache_bsize = 64, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f2c906b1d8d3..8c3112a57cf2 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -82,11 +82,29 @@ static int __init early_parse_mem(char *p) } early_param("mem", early_parse_mem); +/* + * overlaps_initrd - check for overlap with page aligned extension of + * initrd. + */ +static inline int overlaps_initrd(unsigned long start, unsigned long size) +{ +#ifdef CONFIG_BLK_DEV_INITRD + if (!initrd_start) + return 0; + + return (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) && + start <= _ALIGN_UP(initrd_end, PAGE_SIZE); +#else + return 0; +#endif +} + /** * move_device_tree - move tree to an unused area, if needed. * * The device tree may be allocated beyond our memory limit, or inside the - * crash kernel region for kdump. If so, move it out of the way. + * crash kernel region for kdump, or within the page aligned range of initrd. + * If so, move it out of the way. */ static void __init move_device_tree(void) { @@ -99,7 +117,8 @@ static void __init move_device_tree(void) size = be32_to_cpu(initial_boot_params->totalsize); if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) || - overlaps_crashkernel(start, size)) { + overlaps_crashkernel(start, size) || + overlaps_initrd(start, size)) { p = __va(memblock_alloc(size, PAGE_SIZE)); memcpy(p, initial_boot_params, size); initial_boot_params = (struct boot_param_header *)p; @@ -555,7 +574,9 @@ static void __init early_reserve_mem(void) #ifdef CONFIG_BLK_DEV_INITRD /* then reserve the initrd, if any */ if (initrd_start && (initrd_end > initrd_start)) - memblock_reserve(__pa(initrd_start), initrd_end - initrd_start); + memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE), + _ALIGN_UP(initrd_end, PAGE_SIZE) - + _ALIGN_DOWN(initrd_start, PAGE_SIZE)); #endif /* CONFIG_BLK_DEV_INITRD */ #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index d65b591e5556..5de0f254dbb5 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -223,21 +223,6 @@ void free_initmem(void) #undef FREESEC } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - - #ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */ void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 6374b2196a17..f6dbb4c20e64 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -99,20 +99,6 @@ void free_initmem(void) ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10); } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - static void pgd_ctor(void *addr) { memset(addr, 0, PGD_TABLE_SIZE); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 57e545b84bf1..29d4dde65c45 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -382,6 +382,25 @@ void __init mem_init(void) mem_init_done = 1; } +#ifdef CONFIG_BLK_DEV_INITRD +void __init free_initrd_mem(unsigned long start, unsigned long end) +{ + if (start >= end) + return; + + start = _ALIGN_DOWN(start, PAGE_SIZE); + end = _ALIGN_UP(end, PAGE_SIZE); + pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + + for (; start < end; start += PAGE_SIZE) { + ClearPageReserved(virt_to_page(start)); + init_page_count(virt_to_page(start)); + free_page(start); + totalram_pages++; + } +} +#endif + /* * This is called when a page has been modified by the kernel. * It just marks the page as not i-cache clean. We do the i-cache diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 0608b1657da4..d917573cf1a8 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -196,9 +196,6 @@ static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl, out_be32(&lbc->lteccr, LTECCR_CLEAR); out_be32(&lbc->ltedr, LTEDR_ENABLE); - /* Enable interrupts for any detected events */ - out_be32(&lbc->lteir, LTEIR_ENABLE); - /* Set the monitor timeout value to the maximum for erratum A001 */ if (of_device_is_compatible(node, "fsl,elbc")) clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS); @@ -322,6 +319,9 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) goto err; } + /* Enable interrupts for any detected events */ + out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE); + return 0; err: diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 9fab2aa9c2c8..90d77bd078f5 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -89,6 +89,7 @@ config S390 select HAVE_GET_USER_PAGES_FAST select HAVE_ARCH_MUTEX_CPU_RELAX select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 + select HAVE_RCU_TABLE_FREE if SMP select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH select ARCH_INLINE_SPIN_LOCK diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index f6314af3b354..38e71ebcd3c2 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -17,15 +17,15 @@ #include <linux/gfp.h> #include <linux/mm.h> -#define check_pgt_cache() do {} while (0) - unsigned long *crst_table_alloc(struct mm_struct *); void crst_table_free(struct mm_struct *, unsigned long *); -void crst_table_free_rcu(struct mm_struct *, unsigned long *); unsigned long *page_table_alloc(struct mm_struct *); void page_table_free(struct mm_struct *, unsigned long *); -void page_table_free_rcu(struct mm_struct *, unsigned long *); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE +void page_table_free_rcu(struct mmu_gather *, unsigned long *); +void __tlb_remove_table(void *_table); +#endif static inline void clear_table(unsigned long *s, unsigned long val, size_t n) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index e4efacfe1b63..801fbe1d837d 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -293,19 +293,6 @@ extern unsigned long VMALLOC_START; * swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid. */ -/* Page status table bits for virtualization */ -#define RCP_ACC_BITS 0xf000000000000000UL -#define RCP_FP_BIT 0x0800000000000000UL -#define RCP_PCL_BIT 0x0080000000000000UL -#define RCP_HR_BIT 0x0040000000000000UL -#define RCP_HC_BIT 0x0020000000000000UL -#define RCP_GR_BIT 0x0004000000000000UL -#define RCP_GC_BIT 0x0002000000000000UL - -/* User dirty / referenced bit for KVM's migration feature */ -#define KVM_UR_BIT 0x0000800000000000UL -#define KVM_UC_BIT 0x0000400000000000UL - #ifndef __s390x__ /* Bits in the segment table address-space-control-element */ @@ -325,6 +312,19 @@ extern unsigned long VMALLOC_START; #define _SEGMENT_ENTRY (_SEGMENT_ENTRY_PTL) #define _SEGMENT_ENTRY_EMPTY (_SEGMENT_ENTRY_INV) +/* Page status table bits for virtualization */ +#define RCP_ACC_BITS 0xf0000000UL +#define RCP_FP_BIT 0x08000000UL +#define RCP_PCL_BIT 0x00800000UL +#define RCP_HR_BIT 0x00400000UL +#define RCP_HC_BIT 0x00200000UL +#define RCP_GR_BIT 0x00040000UL +#define RCP_GC_BIT 0x00020000UL + +/* User dirty / referenced bit for KVM's migration feature */ +#define KVM_UR_BIT 0x00008000UL +#define KVM_UC_BIT 0x00004000UL + #else /* __s390x__ */ /* Bits in the segment/region table address-space-control-element */ @@ -367,6 +367,19 @@ extern unsigned long VMALLOC_START; #define _SEGMENT_ENTRY_LARGE 0x400 /* STE-format control, large page */ #define _SEGMENT_ENTRY_CO 0x100 /* change-recording override */ +/* Page status table bits for virtualization */ +#define RCP_ACC_BITS 0xf000000000000000UL +#define RCP_FP_BIT 0x0800000000000000UL +#define RCP_PCL_BIT 0x0080000000000000UL +#define RCP_HR_BIT 0x0040000000000000UL +#define RCP_HC_BIT 0x0020000000000000UL +#define RCP_GR_BIT 0x0004000000000000UL +#define RCP_GC_BIT 0x0002000000000000UL + +/* User dirty / referenced bit for KVM's migration feature */ +#define KVM_UR_BIT 0x0000800000000000UL +#define KVM_UC_BIT 0x0000400000000000UL + #endif /* __s390x__ */ /* diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 350e7ee5952d..15c97625df8d 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -139,110 +139,47 @@ struct slib { struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; } __attribute__ ((packed, aligned(2048))); -/** - * struct sbal_flags - storage block address list flags - * @last: last entry - * @cont: contiguous storage - * @frag: fragmentation - */ -struct sbal_flags { - u8 : 1; - u8 last : 1; - u8 cont : 1; - u8 : 1; - u8 frag : 2; - u8 : 2; -} __attribute__ ((packed)); - -#define SBAL_FLAGS_FIRST_FRAG 0x04000000UL -#define SBAL_FLAGS_MIDDLE_FRAG 0x08000000UL -#define SBAL_FLAGS_LAST_FRAG 0x0c000000UL -#define SBAL_FLAGS_LAST_ENTRY 0x40000000UL -#define SBAL_FLAGS_CONTIGUOUS 0x20000000UL +#define SBAL_EFLAGS_LAST_ENTRY 0x40 +#define SBAL_EFLAGS_CONTIGUOUS 0x20 +#define SBAL_EFLAGS_FIRST_FRAG 0x04 +#define SBAL_EFLAGS_MIDDLE_FRAG 0x08 +#define SBAL_EFLAGS_LAST_FRAG 0x0c +#define SBAL_EFLAGS_MASK 0x6f -#define SBAL_FLAGS0_DATA_CONTINUATION 0x20UL +#define SBAL_SFLAGS0_PCI_REQ 0x40 +#define SBAL_SFLAGS0_DATA_CONTINUATION 0x20 /* Awesome OpenFCP extensions */ -#define SBAL_FLAGS0_TYPE_STATUS 0x00UL -#define SBAL_FLAGS0_TYPE_WRITE 0x08UL -#define SBAL_FLAGS0_TYPE_READ 0x10UL -#define SBAL_FLAGS0_TYPE_WRITE_READ 0x18UL -#define SBAL_FLAGS0_MORE_SBALS 0x04UL -#define SBAL_FLAGS0_COMMAND 0x02UL -#define SBAL_FLAGS0_LAST_SBAL 0x00UL -#define SBAL_FLAGS0_ONLY_SBAL SBAL_FLAGS0_COMMAND -#define SBAL_FLAGS0_MIDDLE_SBAL SBAL_FLAGS0_MORE_SBALS -#define SBAL_FLAGS0_FIRST_SBAL SBAL_FLAGS0_MORE_SBALS | SBAL_FLAGS0_COMMAND -#define SBAL_FLAGS0_PCI 0x40 - -/** - * struct sbal_sbalf_0 - sbal flags for sbale 0 - * @pci: PCI indicator - * @cont: data continuation - * @sbtype: storage-block type (FCP) - */ -struct sbal_sbalf_0 { - u8 : 1; - u8 pci : 1; - u8 cont : 1; - u8 sbtype : 2; - u8 : 3; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_1 - sbal flags for sbale 1 - * @key: storage key - */ -struct sbal_sbalf_1 { - u8 : 4; - u8 key : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_14 - sbal flags for sbale 14 - * @erridx: error index - */ -struct sbal_sbalf_14 { - u8 : 4; - u8 erridx : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_15 - sbal flags for sbale 15 - * @reason: reason for error state - */ -struct sbal_sbalf_15 { - u8 reason; -} __attribute__ ((packed)); - -/** - * union sbal_sbalf - storage block address list flags - * @i0: sbalf0 - * @i1: sbalf1 - * @i14: sbalf14 - * @i15: sblaf15 - * @value: raw value - */ -union sbal_sbalf { - struct sbal_sbalf_0 i0; - struct sbal_sbalf_1 i1; - struct sbal_sbalf_14 i14; - struct sbal_sbalf_15 i15; - u8 value; -}; +#define SBAL_SFLAGS0_TYPE_STATUS 0x00 +#define SBAL_SFLAGS0_TYPE_WRITE 0x08 +#define SBAL_SFLAGS0_TYPE_READ 0x10 +#define SBAL_SFLAGS0_TYPE_WRITE_READ 0x18 +#define SBAL_SFLAGS0_MORE_SBALS 0x04 +#define SBAL_SFLAGS0_COMMAND 0x02 +#define SBAL_SFLAGS0_LAST_SBAL 0x00 +#define SBAL_SFLAGS0_ONLY_SBAL SBAL_SFLAGS0_COMMAND +#define SBAL_SFLAGS0_MIDDLE_SBAL SBAL_SFLAGS0_MORE_SBALS +#define SBAL_SFLAGS0_FIRST_SBAL (SBAL_SFLAGS0_MORE_SBALS | SBAL_SFLAGS0_COMMAND) /** * struct qdio_buffer_element - SBAL entry - * @flags: flags + * @eflags: SBAL entry flags + * @scount: SBAL count + * @sflags: whole SBAL flags * @length: length * @addr: address */ struct qdio_buffer_element { - u32 flags; + u8 eflags; + /* private: */ + u8 res1; + /* public: */ + u8 scount; + u8 sflags; u32 length; #ifdef CONFIG_32BIT /* private: */ - void *reserved; + void *res2; /* public: */ #endif void *addr; diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 77eee5477a52..c687a2c83462 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -26,67 +26,60 @@ #include <linux/swap.h> #include <asm/processor.h> #include <asm/pgalloc.h> -#include <asm/smp.h> #include <asm/tlbflush.h> struct mmu_gather { struct mm_struct *mm; +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + struct mmu_table_batch *batch; +#endif unsigned int fullmm; - unsigned int nr_ptes; - unsigned int nr_pxds; - unsigned int max; - void **array; - void *local[8]; + unsigned int need_flush; }; -static inline void __tlb_alloc_page(struct mmu_gather *tlb) -{ - unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE +struct mmu_table_batch { + struct rcu_head rcu; + unsigned int nr; + void *tables[0]; +}; - if (addr) { - tlb->array = (void *) addr; - tlb->max = PAGE_SIZE / sizeof(void *); - } -} +#define MAX_TABLE_BATCH \ + ((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *)) + +extern void tlb_table_flush(struct mmu_gather *tlb); +extern void tlb_remove_table(struct mmu_gather *tlb, void *table); +#endif static inline void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) { tlb->mm = mm; - tlb->max = ARRAY_SIZE(tlb->local); - tlb->array = tlb->local; tlb->fullmm = full_mm_flush; + tlb->need_flush = 0; +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb->batch = NULL; +#endif if (tlb->fullmm) __tlb_flush_mm(mm); - else - __tlb_alloc_page(tlb); - tlb->nr_ptes = 0; - tlb->nr_pxds = tlb->max; } static inline void tlb_flush_mmu(struct mmu_gather *tlb) { - if (!tlb->fullmm && (tlb->nr_ptes > 0 || tlb->nr_pxds < tlb->max)) - __tlb_flush_mm(tlb->mm); - while (tlb->nr_ptes > 0) - page_table_free_rcu(tlb->mm, tlb->array[--tlb->nr_ptes]); - while (tlb->nr_pxds < tlb->max) - crst_table_free_rcu(tlb->mm, tlb->array[tlb->nr_pxds++]); + if (!tlb->need_flush) + return; + tlb->need_flush = 0; + __tlb_flush_mm(tlb->mm); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + tlb_table_flush(tlb); +#endif } static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { tlb_flush_mmu(tlb); - - rcu_table_freelist_finish(); - - /* keep the page table cache within bounds */ - check_pgt_cache(); - - if (tlb->array != tlb->local) - free_pages((unsigned long) tlb->array, 0); } /* @@ -112,12 +105,11 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long address) { - if (!tlb->fullmm) { - tlb->array[tlb->nr_ptes++] = pte; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - page_table_free(tlb->mm, (unsigned long *) pte); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return page_table_free_rcu(tlb, (unsigned long *) pte); +#endif + page_table_free(tlb->mm, (unsigned long *) pte); } /* @@ -133,12 +125,11 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 31)) return; - if (!tlb->fullmm) { - tlb->array[--tlb->nr_pxds] = pmd; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - crst_table_free(tlb->mm, (unsigned long *) pmd); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return tlb_remove_table(tlb, pmd); +#endif + crst_table_free(tlb->mm, (unsigned long *) pmd); #endif } @@ -155,12 +146,11 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 42)) return; - if (!tlb->fullmm) { - tlb->array[--tlb->nr_pxds] = pud; - if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb); - } else - crst_table_free(tlb->mm, (unsigned long *) pud); +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + if (!tlb->fullmm) + return tlb_remove_table(tlb, pud); +#endif + crst_table_free(tlb->mm, (unsigned long *) pud); #endif } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 30ca85cce314..67345ae7ce8d 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -731,6 +731,7 @@ static int __init kvm_s390_init(void) } memcpy(facilities, S390_lowcore.stfle_fac_list, 16); facilities[0] &= 0xff00fff3f47c0000ULL; + facilities[1] &= 0x201c000000000000ULL; return 0; } diff --git a/arch/s390/kvm/sie64a.S b/arch/s390/kvm/sie64a.S index ab0e041ac54c..5faa1b1b23fa 100644 --- a/arch/s390/kvm/sie64a.S +++ b/arch/s390/kvm/sie64a.S @@ -93,4 +93,6 @@ sie_err: .section __ex_table,"a" .quad sie_inst,sie_err + .quad sie_exit,sie_err + .quad sie_reenter,sie_err .previous diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index b09763fe5da1..37a23c223705 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -24,94 +24,12 @@ #include <asm/tlbflush.h> #include <asm/mmu_context.h> -struct rcu_table_freelist { - struct rcu_head rcu; - struct mm_struct *mm; - unsigned int pgt_index; - unsigned int crst_index; - unsigned long *table[0]; -}; - -#define RCU_FREELIST_SIZE \ - ((PAGE_SIZE - sizeof(struct rcu_table_freelist)) \ - / sizeof(unsigned long)) - -static DEFINE_PER_CPU(struct rcu_table_freelist *, rcu_table_freelist); - -static void __page_table_free(struct mm_struct *mm, unsigned long *table); - -static struct rcu_table_freelist *rcu_table_freelist_get(struct mm_struct *mm) -{ - struct rcu_table_freelist **batchp = &__get_cpu_var(rcu_table_freelist); - struct rcu_table_freelist *batch = *batchp; - - if (batch) - return batch; - batch = (struct rcu_table_freelist *) __get_free_page(GFP_ATOMIC); - if (batch) { - batch->mm = mm; - batch->pgt_index = 0; - batch->crst_index = RCU_FREELIST_SIZE; - *batchp = batch; - } - return batch; -} - -static void rcu_table_freelist_callback(struct rcu_head *head) -{ - struct rcu_table_freelist *batch = - container_of(head, struct rcu_table_freelist, rcu); - - while (batch->pgt_index > 0) - __page_table_free(batch->mm, batch->table[--batch->pgt_index]); - while (batch->crst_index < RCU_FREELIST_SIZE) - crst_table_free(batch->mm, batch->table[batch->crst_index++]); - free_page((unsigned long) batch); -} - -void rcu_table_freelist_finish(void) -{ - struct rcu_table_freelist **batchp = &get_cpu_var(rcu_table_freelist); - struct rcu_table_freelist *batch = *batchp; - - if (!batch) - goto out; - call_rcu(&batch->rcu, rcu_table_freelist_callback); - *batchp = NULL; -out: - put_cpu_var(rcu_table_freelist); -} - -static void smp_sync(void *arg) -{ -} - #ifndef CONFIG_64BIT #define ALLOC_ORDER 1 -#define TABLES_PER_PAGE 4 -#define FRAG_MASK 15UL -#define SECOND_HALVES 10UL - -void clear_table_pgstes(unsigned long *table) -{ - clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE/4); - memset(table + 256, 0, PAGE_SIZE/4); - clear_table(table + 512, _PAGE_TYPE_EMPTY, PAGE_SIZE/4); - memset(table + 768, 0, PAGE_SIZE/4); -} - +#define FRAG_MASK 0x0f #else #define ALLOC_ORDER 2 -#define TABLES_PER_PAGE 2 -#define FRAG_MASK 3UL -#define SECOND_HALVES 2UL - -void clear_table_pgstes(unsigned long *table) -{ - clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE/2); - memset(table + 256, 0, PAGE_SIZE/2); -} - +#define FRAG_MASK 0x03 #endif unsigned long VMALLOC_START = VMALLOC_END - VMALLOC_SIZE; @@ -140,29 +58,6 @@ void crst_table_free(struct mm_struct *mm, unsigned long *table) free_pages((unsigned long) table, ALLOC_ORDER); } -void crst_table_free_rcu(struct mm_struct *mm, unsigned long *table) -{ - struct rcu_table_freelist *batch; - - preempt_disable(); - if (atomic_read(&mm->mm_users) < 2 && - cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id()))) { - crst_table_free(mm, table); - goto out; - } - batch = rcu_table_freelist_get(mm); - if (!batch) { - smp_call_function(smp_sync, NULL, 1); - crst_table_free(mm, table); - goto out; - } - batch->table[--batch->crst_index] = table; - if (batch->pgt_index >= batch->crst_index) - rcu_table_freelist_finish(); -out: - preempt_enable(); -} - #ifdef CONFIG_64BIT int crst_table_upgrade(struct mm_struct *mm, unsigned long limit) { @@ -238,124 +133,175 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) } #endif +static inline unsigned int atomic_xor_bits(atomic_t *v, unsigned int bits) +{ + unsigned int old, new; + + do { + old = atomic_read(v); + new = old ^ bits; + } while (atomic_cmpxchg(v, old, new) != old); + return new; +} + /* * page table entry allocation/free routines. */ +#ifdef CONFIG_PGSTE +static inline unsigned long *page_table_alloc_pgste(struct mm_struct *mm) +{ + struct page *page; + unsigned long *table; + + page = alloc_page(GFP_KERNEL|__GFP_REPEAT); + if (!page) + return NULL; + pgtable_page_ctor(page); + atomic_set(&page->_mapcount, 3); + table = (unsigned long *) page_to_phys(page); + clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE/2); + clear_table(table + PTRS_PER_PTE, 0, PAGE_SIZE/2); + return table; +} + +static inline void page_table_free_pgste(unsigned long *table) +{ + struct page *page; + + page = pfn_to_page(__pa(table) >> PAGE_SHIFT); + pgtable_page_ctor(page); + atomic_set(&page->_mapcount, -1); + __free_page(page); +} +#endif + unsigned long *page_table_alloc(struct mm_struct *mm) { struct page *page; unsigned long *table; - unsigned long bits; + unsigned int mask, bit; - bits = (mm->context.has_pgste) ? 3UL : 1UL; +#ifdef CONFIG_PGSTE + if (mm_has_pgste(mm)) + return page_table_alloc_pgste(mm); +#endif + /* Allocate fragments of a 4K page as 1K/2K page table */ spin_lock_bh(&mm->context.list_lock); - page = NULL; + mask = FRAG_MASK; if (!list_empty(&mm->context.pgtable_list)) { page = list_first_entry(&mm->context.pgtable_list, struct page, lru); - if ((page->flags & FRAG_MASK) == ((1UL << TABLES_PER_PAGE) - 1)) - page = NULL; + table = (unsigned long *) page_to_phys(page); + mask = atomic_read(&page->_mapcount); + mask = mask | (mask >> 4); } - if (!page) { + if ((mask & FRAG_MASK) == FRAG_MASK) { spin_unlock_bh(&mm->context.list_lock); page = alloc_page(GFP_KERNEL|__GFP_REPEAT); if (!page) return NULL; pgtable_page_ctor(page); - page->flags &= ~FRAG_MASK; + atomic_set(&page->_mapcount, 1); table = (unsigned long *) page_to_phys(page); - if (mm->context.has_pgste) - clear_table_pgstes(table); - else - clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE); + clear_table(table, _PAGE_TYPE_EMPTY, PAGE_SIZE); spin_lock_bh(&mm->context.list_lock); list_add(&page->lru, &mm->context.pgtable_list); + } else { + for (bit = 1; mask & bit; bit <<= 1) + table += PTRS_PER_PTE; + mask = atomic_xor_bits(&page->_mapcount, bit); + if ((mask & FRAG_MASK) == FRAG_MASK) + list_del(&page->lru); } - table = (unsigned long *) page_to_phys(page); - while (page->flags & bits) { - table += 256; - bits <<= 1; - } - page->flags |= bits; - if ((page->flags & FRAG_MASK) == ((1UL << TABLES_PER_PAGE) - 1)) - list_move_tail(&page->lru, &mm->context.pgtable_list); spin_unlock_bh(&mm->context.list_lock); return table; } -static void __page_table_free(struct mm_struct *mm, unsigned long *table) +void page_table_free(struct mm_struct *mm, unsigned long *table) { struct page *page; - unsigned long bits; + unsigned int bit, mask; - bits = ((unsigned long) table) & 15; - table = (unsigned long *)(((unsigned long) table) ^ bits); +#ifdef CONFIG_PGSTE + if (mm_has_pgste(mm)) + return page_table_free_pgste(table); +#endif + /* Free 1K/2K page table fragment of a 4K page */ page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - page->flags ^= bits; - if (!(page->flags & FRAG_MASK)) { + bit = 1 << ((__pa(table) & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t))); + spin_lock_bh(&mm->context.list_lock); + if ((atomic_read(&page->_mapcount) & FRAG_MASK) != FRAG_MASK) + list_del(&page->lru); + mask = atomic_xor_bits(&page->_mapcount, bit); + if (mask & FRAG_MASK) + list_add(&page->lru, &mm->context.pgtable_list); + spin_unlock_bh(&mm->context.list_lock); + if (mask == 0) { pgtable_page_dtor(page); + atomic_set(&page->_mapcount, -1); __free_page(page); } } -void page_table_free(struct mm_struct *mm, unsigned long *table) +#ifdef CONFIG_HAVE_RCU_TABLE_FREE + +static void __page_table_free_rcu(void *table, unsigned bit) { struct page *page; - unsigned long bits; - bits = (mm->context.has_pgste) ? 3UL : 1UL; - bits <<= (__pa(table) & (PAGE_SIZE - 1)) / 256 / sizeof(unsigned long); +#ifdef CONFIG_PGSTE + if (bit == FRAG_MASK) + return page_table_free_pgste(table); +#endif + /* Free 1K/2K page table fragment of a 4K page */ page = pfn_to_page(__pa(table) >> PAGE_SHIFT); - spin_lock_bh(&mm->context.list_lock); - page->flags ^= bits; - if (page->flags & FRAG_MASK) { - /* Page now has some free pgtable fragments. */ - if (!list_empty(&page->lru)) - list_move(&page->lru, &mm->context.pgtable_list); - page = NULL; - } else - /* All fragments of the 4K page have been freed. */ - list_del(&page->lru); - spin_unlock_bh(&mm->context.list_lock); - if (page) { + if (atomic_xor_bits(&page->_mapcount, bit) == 0) { pgtable_page_dtor(page); + atomic_set(&page->_mapcount, -1); __free_page(page); } } -void page_table_free_rcu(struct mm_struct *mm, unsigned long *table) +void page_table_free_rcu(struct mmu_gather *tlb, unsigned long *table) { - struct rcu_table_freelist *batch; + struct mm_struct *mm; struct page *page; - unsigned long bits; + unsigned int bit, mask; - preempt_disable(); - if (atomic_read(&mm->mm_users) < 2 && - cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id()))) { - page_table_free(mm, table); - goto out; - } - batch = rcu_table_freelist_get(mm); - if (!batch) { - smp_call_function(smp_sync, NULL, 1); - page_table_free(mm, table); - goto out; + mm = tlb->mm; +#ifdef CONFIG_PGSTE + if (mm_has_pgste(mm)) { + table = (unsigned long *) (__pa(table) | FRAG_MASK); + tlb_remove_table(tlb, table); + return; } - bits = (mm->context.has_pgste) ? 3UL : 1UL; - bits <<= (__pa(table) & (PAGE_SIZE - 1)) / 256 / sizeof(unsigned long); +#endif + bit = 1 << ((__pa(table) & ~PAGE_MASK) / (PTRS_PER_PTE*sizeof(pte_t))); page = pfn_to_page(__pa(table) >> PAGE_SHIFT); spin_lock_bh(&mm->context.list_lock); - /* Delayed freeing with rcu prevents reuse of pgtable fragments */ - list_del_init(&page->lru); + if ((atomic_read(&page->_mapcount) & FRAG_MASK) != FRAG_MASK) + list_del(&page->lru); + mask = atomic_xor_bits(&page->_mapcount, bit | (bit << 4)); + if (mask & FRAG_MASK) + list_add_tail(&page->lru, &mm->context.pgtable_list); spin_unlock_bh(&mm->context.list_lock); - table = (unsigned long *)(((unsigned long) table) | bits); - batch->table[batch->pgt_index++] = table; - if (batch->pgt_index >= batch->crst_index) - rcu_table_freelist_finish(); -out: - preempt_enable(); + table = (unsigned long *) (__pa(table) | (bit << 4)); + tlb_remove_table(tlb, table); } +void __tlb_remove_table(void *_table) +{ + void *table = (void *)((unsigned long) _table & PAGE_MASK); + unsigned type = (unsigned long) _table & ~PAGE_MASK; + + if (type) + __page_table_free_rcu(table, type); + else + free_pages((unsigned long) table, ALLOC_ORDER); +} + +#endif + /* * switch on pgstes for its userspace process (for kvm) */ @@ -369,7 +315,7 @@ int s390_enable_sie(void) return -EINVAL; /* Do we have pgstes? if yes, we are done */ - if (tsk->mm->context.has_pgste) + if (mm_has_pgste(tsk->mm)) return 0; /* lets check if we are allowed to replace the mm */ diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 74495a5ea027..f03338c2f088 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -161,7 +161,7 @@ config ARCH_HAS_CPU_IDLE_WAIT config NO_IOPORT def_bool !PCI - depends on !SH_CAYMAN && !SH_SH4202_MICRODEV + depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN config IO_TRAPPED bool diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index 618bd566cf53..969421f64a15 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -359,37 +359,31 @@ static struct soc_camera_link camera_link = { .priv = &camera_info, }; -static void dummy_release(struct device *dev) +static struct platform_device *camera_device; + +static void ap325rxa_camera_release(struct device *dev) { + soc_camera_platform_release(&camera_device); } -static struct platform_device camera_device = { - .name = "soc_camera_platform", - .dev = { - .platform_data = &camera_info, - .release = dummy_release, - }, -}; - static int ap325rxa_camera_add(struct soc_camera_link *icl, struct device *dev) { - if (icl != &camera_link || camera_probe() <= 0) - return -ENODEV; + int ret = soc_camera_platform_add(icl, dev, &camera_device, &camera_link, + ap325rxa_camera_release, 0); + if (ret < 0) + return ret; - camera_info.dev = dev; + ret = camera_probe(); + if (ret < 0) + soc_camera_platform_del(icl, camera_device, &camera_link); - return platform_device_register(&camera_device); + return ret; } static void ap325rxa_camera_del(struct soc_camera_link *icl) { - if (icl != &camera_link) - return; - - platform_device_unregister(&camera_device); - memset(&camera_device.dev.kobj, 0, - sizeof(camera_device.dev.kobj)); + soc_camera_platform_del(icl, camera_device, &camera_link); } #endif /* CONFIG_I2C */ diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index bb13d0e1b964..3a32741cc0ac 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -885,6 +885,9 @@ static struct platform_device sh_mmcif_device = { }, .num_resources = ARRAY_SIZE(sh_mmcif_resources), .resource = sh_mmcif_resources, + .archdata = { + .hwblk_id = HWBLK_MMC, + }, }; #endif diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index db85916b9e95..9210e93a92c3 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -18,6 +18,7 @@ #include <asm/pgtable-2level.h> #endif #include <asm/page.h> +#include <asm/mmu.h> #ifndef __ASSEMBLY__ #include <asm/addrspace.h> diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h index 40725b4a8018..88bd6be168a9 100644 --- a/arch/sh/include/asm/ptrace.h +++ b/arch/sh/include/asm/ptrace.h @@ -41,7 +41,9 @@ #define user_mode(regs) (((regs)->sr & 0x40000000)==0) #define kernel_stack_pointer(_regs) ((unsigned long)(_regs)->regs[15]) -#define GET_USP(regs) ((regs)->regs[15]) + +#define GET_FP(regs) ((regs)->regs[14]) +#define GET_USP(regs) ((regs)->regs[15]) extern void show_regs(struct pt_regs *); @@ -131,7 +133,7 @@ extern void ptrace_triggered(struct perf_event *bp, int nmi, static inline unsigned long profile_pc(struct pt_regs *regs) { - unsigned long pc = instruction_pointer(regs); + unsigned long pc = regs->pc; if (virt_addr_uncached(pc)) return CAC_ADDR(pc); diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index 6c308d8b9a50..ec88bfcdf7ce 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -9,6 +9,7 @@ #include <linux/pagemap.h> #ifdef CONFIG_MMU +#include <linux/swap.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> #include <asm/mmu_context.h> diff --git a/arch/sh/include/cpu-sh4/cpu/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h index 7a5b8a331b4a..bd0622788d64 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7722.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7722.h @@ -236,6 +236,7 @@ enum { }; enum { + SHDMA_SLAVE_INVALID, SHDMA_SLAVE_SCIF0_TX, SHDMA_SLAVE_SCIF0_RX, SHDMA_SLAVE_SCIF1_TX, diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h index 7eb435999426..3daef8ecbc63 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7724.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h @@ -285,6 +285,7 @@ enum { }; enum { + SHDMA_SLAVE_INVALID, SHDMA_SLAVE_SCIF0_TX, SHDMA_SLAVE_SCIF0_RX, SHDMA_SLAVE_SCIF1_TX, diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h index 05b8196c7753..41f9f8b9db73 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7757.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h @@ -252,6 +252,7 @@ enum { }; enum { + SHDMA_SLAVE_INVALID, SHDMA_SLAVE_SDHI_TX, SHDMA_SLAVE_SDHI_RX, SHDMA_SLAVE_MMCIF_TX, diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 762a13984bbd..b473f0c06fbc 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -21,6 +21,7 @@ #include <linux/fs.h> #include <linux/ftrace.h> #include <linux/hw_breakpoint.h> +#include <linux/prefetch.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/system.h> diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 40733a952402..f251b5f27652 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -82,7 +82,7 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, void *addr; addr = __in_29bit_mode() ? - (void *)P1SEGADDR((unsigned long)vaddr) : vaddr; + (void *)CAC_ADDR((unsigned long)vaddr) : vaddr; switch (direction) { case DMA_FROM_DEVICE: /* invalidate only */ diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index d3a303246c9f..e57dcce9bfda 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -231,10 +231,6 @@ config PUV3_PWM help Enable support for NB0916 PWM controllers -config PUV3_RTC - tristate "PKUnity v3 RTC Support" - depends on !ARCH_FPGA - if PUV3_NB0916 menu "PKUnity NetBook-0916 Features" diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile index 76a8beec7d03..6af4bc415f2b 100644 --- a/arch/unicore32/Makefile +++ b/arch/unicore32/Makefile @@ -40,42 +40,10 @@ core-y += arch/unicore32/mm/ libs-y += arch/unicore32/lib/ -ASM_GENERATED_DIR := $(srctree)/arch/unicore32/include/generated -LINUXINCLUDE += -I$(ASM_GENERATED_DIR) - -ASM_GENERIC_HEADERS := atomic.h auxvec.h -ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h -ASM_GENERIC_HEADERS += cputime.h current.h -ASM_GENERIC_HEADERS += device.h div64.h -ASM_GENERIC_HEADERS += emergency-restart.h errno.h -ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h futex.h -ASM_GENERIC_HEADERS += hardirq.h hw_irq.h -ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h -ASM_GENERIC_HEADERS += kdebug.h kmap_types.h -ASM_GENERIC_HEADERS += local.h -ASM_GENERIC_HEADERS += mman.h module.h msgbuf.h -ASM_GENERIC_HEADERS += param.h parport.h percpu.h poll.h posix_types.h -ASM_GENERIC_HEADERS += resource.h -ASM_GENERIC_HEADERS += scatterlist.h sections.h segment.h sembuf.h serial.h -ASM_GENERIC_HEADERS += setup.h shmbuf.h shmparam.h -ASM_GENERIC_HEADERS += siginfo.h signal.h sizes.h -ASM_GENERIC_HEADERS += socket.h sockios.h stat.h statfs.h swab.h syscalls.h -ASM_GENERIC_HEADERS += termbits.h termios.h topology.h types.h -ASM_GENERIC_HEADERS += ucontext.h unaligned.h user.h -ASM_GENERIC_HEADERS += vga.h -ASM_GENERIC_HEADERS += xor.h - -archprepare: -ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR))) - $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm - $(Q)$(foreach a, $(ASM_GENERIC_HEADERS), \ - echo '#include <asm-generic/$a>' \ - > $(ASM_GENERATED_DIR)/asm/$a; ) -endif - boot := arch/unicore32/boot -# Default target when executing plain make +# Default defconfig and target when executing plain make +KBUILD_DEFCONFIG := $(ARCH)_defconfig KBUILD_IMAGE := zImage all: $(KBUILD_IMAGE) @@ -83,8 +51,6 @@ all: $(KBUILD_IMAGE) zImage Image uImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ -MRPROPER_DIRS += $(ASM_GENERATED_DIR) - archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index 95373428cb3d..b0954a2d23cf 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -59,7 +59,7 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \ # We now have a PIC decompressor implementation. Decompressors running # from RAM should not define ZTEXTADDR. Decompressors running directly # from ROM or Flash must define ZTEXTADDR (preferably via the config) -ZTEXTADDR := 0 +ZTEXTADDR := 0x03000000 ZBSSADDR := ALIGN(4) SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ diff --git a/arch/unicore32/configs/debug_defconfig b/arch/unicore32/configs/unicore32_defconfig index b5fbde9f1cb2..c9dd3198b6f7 100644 --- a/arch/unicore32/configs/debug_defconfig +++ b/arch/unicore32/configs/unicore32_defconfig @@ -1,6 +1,6 @@ ### General setup CONFIG_EXPERIMENTAL=y -CONFIG_LOCALVERSION="-debug" +CONFIG_LOCALVERSION="-unicore32" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -64,7 +64,6 @@ CONFIG_I2C_BATTERY_BQ27200=n CONFIG_I2C_EEPROM_AT24=n CONFIG_LCD_BACKLIGHT=n -CONFIG_PUV3_RTC=y CONFIG_PUV3_UMAL=y CONFIG_PUV3_MUSB=n CONFIG_PUV3_AC97=n @@ -167,8 +166,9 @@ CONFIG_LEDS_TRIGGER_IDE_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # Real Time Clock -CONFIG_RTC_LIB=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_PUV3=y ### File systems CONFIG_EXT2_FS=m diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index b200fdaca44d..ca113d6999c5 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -1,2 +1,61 @@ include include/asm-generic/Kbuild.asm +generic-y += atomic.h +generic-y += auxvec.h +generic-y += bitsperlong.h +generic-y += bug.h +generic-y += bugs.h +generic-y += cputime.h +generic-y += current.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += fb.h +generic-y += fcntl.h +generic-y += ftrace.h +generic-y += futex.h +generic-y += hardirq.h +generic-y += hw_irq.h +generic-y += ioctl.h +generic-y += ioctls.h +generic-y += ipcbuf.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kmap_types.h +generic-y += local.h +generic-y += mman.h +generic-y += module.h +generic-y += msgbuf.h +generic-y += param.h +generic-y += parport.h +generic-y += percpu.h +generic-y += poll.h +generic-y += posix_types.h +generic-y += resource.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += segment.h +generic-y += sembuf.h +generic-y += serial.h +generic-y += setup.h +generic-y += shmbuf.h +generic-y += shmparam.h +generic-y += siginfo.h +generic-y += signal.h +generic-y += sizes.h +generic-y += socket.h +generic-y += sockios.h +generic-y += stat.h +generic-y += statfs.h +generic-y += swab.h +generic-y += syscalls.h +generic-y += termbits.h +generic-y += termios.h +generic-y += topology.h +generic-y += types.h +generic-y += ucontext.h +generic-y += unaligned.h +generic-y += user.h +generic-y += vga.h +generic-y += xor.h diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile index ec23a2fb2f50..aeb0f181568e 100644 --- a/arch/unicore32/kernel/Makefile +++ b/arch/unicore32/kernel/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o obj-$(CONFIG_PUV3_GPIO) += gpio.o -obj-$(CONFIG_PUV3_RTC) += rtc.o obj-$(CONFIG_PUV3_PWM) += pwm.o obj-$(CONFIG_PUV3_PM) += pm.o sleep.o obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o diff --git a/arch/unicore32/kernel/rtc.c b/arch/unicore32/kernel/rtc.c deleted file mode 100644 index 8cad70b3302c..000000000000 --- a/arch/unicore32/kernel/rtc.c +++ /dev/null @@ -1,371 +0,0 @@ -/* - * linux/arch/unicore32/kernel/rtc.c - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> - * Copyright (C) 2001-2010 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/rtc.h> -#include <linux/bcd.h> -#include <linux/clk.h> -#include <linux/log2.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/io.h> - -#include <asm/irq.h> -#include <mach/hardware.h> - -static struct resource *puv3_rtc_mem; - -static int puv3_rtc_alarmno = IRQ_RTCAlarm; -static int puv3_rtc_tickno = IRQ_RTC; - -static DEFINE_SPINLOCK(puv3_rtc_pie_lock); - -/* IRQ Handlers */ - -static irqreturn_t puv3_rtc_alarmirq(int irq, void *id) -{ - struct rtc_device *rdev = id; - - writel(readl(RTC_RTSR) | RTC_RTSR_AL, RTC_RTSR); - rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); - return IRQ_HANDLED; -} - -static irqreturn_t puv3_rtc_tickirq(int irq, void *id) -{ - struct rtc_device *rdev = id; - - writel(readl(RTC_RTSR) | RTC_RTSR_HZ, RTC_RTSR); - rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF); - return IRQ_HANDLED; -} - -/* Update control registers */ -static void puv3_rtc_setaie(int to) -{ - unsigned int tmp; - - pr_debug("%s: aie=%d\n", __func__, to); - - tmp = readl(RTC_RTSR) & ~RTC_RTSR_ALE; - - if (to) - tmp |= RTC_RTSR_ALE; - - writel(tmp, RTC_RTSR); -} - -static int puv3_rtc_setpie(struct device *dev, int enabled) -{ - unsigned int tmp; - - pr_debug("%s: pie=%d\n", __func__, enabled); - - spin_lock_irq(&puv3_rtc_pie_lock); - tmp = readl(RTC_RTSR) & ~RTC_RTSR_HZE; - - if (enabled) - tmp |= RTC_RTSR_HZE; - - writel(tmp, RTC_RTSR); - spin_unlock_irq(&puv3_rtc_pie_lock); - - return 0; -} - -/* Time read/write */ - -static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) -{ - rtc_time_to_tm(readl(RTC_RCNR), rtc_tm); - - pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n", - rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday, - rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec); - - return 0; -} - -static int puv3_rtc_settime(struct device *dev, struct rtc_time *tm) -{ - unsigned long rtc_count = 0; - - pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", - tm->tm_year, tm->tm_mon, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec); - - rtc_tm_to_time(tm, &rtc_count); - writel(rtc_count, RTC_RCNR); - - return 0; -} - -static int puv3_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm) -{ - struct rtc_time *alm_tm = &alrm->time; - - rtc_time_to_tm(readl(RTC_RTAR), alm_tm); - - alrm->enabled = readl(RTC_RTSR) & RTC_RTSR_ALE; - - pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n", - alrm->enabled, - alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday, - alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec); - - return 0; -} - -static int puv3_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) -{ - struct rtc_time *tm = &alrm->time; - unsigned long rtcalarm_count = 0; - - pr_debug("puv3_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n", - alrm->enabled, - tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff, - tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec); - - rtc_tm_to_time(tm, &rtcalarm_count); - writel(rtcalarm_count, RTC_RTAR); - - puv3_rtc_setaie(alrm->enabled); - - if (alrm->enabled) - enable_irq_wake(puv3_rtc_alarmno); - else - disable_irq_wake(puv3_rtc_alarmno); - - return 0; -} - -static int puv3_rtc_proc(struct device *dev, struct seq_file *seq) -{ - seq_printf(seq, "periodic_IRQ\t: %s\n", - (readl(RTC_RTSR) & RTC_RTSR_HZE) ? "yes" : "no"); - return 0; -} - -static int puv3_rtc_open(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_device *rtc_dev = platform_get_drvdata(pdev); - int ret; - - ret = request_irq(puv3_rtc_alarmno, puv3_rtc_alarmirq, - IRQF_DISABLED, "pkunity-rtc alarm", rtc_dev); - - if (ret) { - dev_err(dev, "IRQ%d error %d\n", puv3_rtc_alarmno, ret); - return ret; - } - - ret = request_irq(puv3_rtc_tickno, puv3_rtc_tickirq, - IRQF_DISABLED, "pkunity-rtc tick", rtc_dev); - - if (ret) { - dev_err(dev, "IRQ%d error %d\n", puv3_rtc_tickno, ret); - goto tick_err; - } - - return ret; - - tick_err: - free_irq(puv3_rtc_alarmno, rtc_dev); - return ret; -} - -static void puv3_rtc_release(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_device *rtc_dev = platform_get_drvdata(pdev); - - /* do not clear AIE here, it may be needed for wake */ - - puv3_rtc_setpie(dev, 0); - free_irq(puv3_rtc_alarmno, rtc_dev); - free_irq(puv3_rtc_tickno, rtc_dev); -} - -static const struct rtc_class_ops puv3_rtcops = { - .open = puv3_rtc_open, - .release = puv3_rtc_release, - .read_time = puv3_rtc_gettime, - .set_time = puv3_rtc_settime, - .read_alarm = puv3_rtc_getalarm, - .set_alarm = puv3_rtc_setalarm, - .proc = puv3_rtc_proc, -}; - -static void puv3_rtc_enable(struct platform_device *pdev, int en) -{ - if (!en) { - writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); - } else { - /* re-enable the device, and check it is ok */ - - if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { - dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); - writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); - } - } -} - -static int puv3_rtc_remove(struct platform_device *dev) -{ - struct rtc_device *rtc = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - rtc_device_unregister(rtc); - - puv3_rtc_setpie(&dev->dev, 0); - puv3_rtc_setaie(0); - - release_resource(puv3_rtc_mem); - kfree(puv3_rtc_mem); - - return 0; -} - -static int puv3_rtc_probe(struct platform_device *pdev) -{ - struct rtc_device *rtc; - struct resource *res; - int ret; - - pr_debug("%s: probe=%p\n", __func__, pdev); - - /* find the IRQs */ - - puv3_rtc_tickno = platform_get_irq(pdev, 1); - if (puv3_rtc_tickno < 0) { - dev_err(&pdev->dev, "no irq for rtc tick\n"); - return -ENOENT; - } - - puv3_rtc_alarmno = platform_get_irq(pdev, 0); - if (puv3_rtc_alarmno < 0) { - dev_err(&pdev->dev, "no irq for alarm\n"); - return -ENOENT; - } - - pr_debug("PKUnity_rtc: tick irq %d, alarm irq %d\n", - puv3_rtc_tickno, puv3_rtc_alarmno); - - /* get the memory region */ - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "failed to get memory region resource\n"); - return -ENOENT; - } - - puv3_rtc_mem = request_mem_region(res->start, - res->end-res->start+1, - pdev->name); - - if (puv3_rtc_mem == NULL) { - dev_err(&pdev->dev, "failed to reserve memory region\n"); - ret = -ENOENT; - goto err_nores; - } - - puv3_rtc_enable(pdev, 1); - - /* register RTC and exit */ - - rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, - THIS_MODULE); - - if (IS_ERR(rtc)) { - dev_err(&pdev->dev, "cannot attach rtc\n"); - ret = PTR_ERR(rtc); - goto err_nortc; - } - - /* platform setup code should have handled this; sigh */ - if (!device_can_wakeup(&pdev->dev)) - device_init_wakeup(&pdev->dev, 1); - - platform_set_drvdata(pdev, rtc); - return 0; - - err_nortc: - puv3_rtc_enable(pdev, 0); - release_resource(puv3_rtc_mem); - - err_nores: - return ret; -} - -#ifdef CONFIG_PM - -/* RTC Power management control */ - -static int ticnt_save; - -static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) -{ - /* save RTAR for anyone using periodic interrupts */ - ticnt_save = readl(RTC_RTAR); - puv3_rtc_enable(pdev, 0); - return 0; -} - -static int puv3_rtc_resume(struct platform_device *pdev) -{ - puv3_rtc_enable(pdev, 1); - writel(ticnt_save, RTC_RTAR); - return 0; -} -#else -#define puv3_rtc_suspend NULL -#define puv3_rtc_resume NULL -#endif - -static struct platform_driver puv3_rtcdrv = { - .probe = puv3_rtc_probe, - .remove = __devexit_p(puv3_rtc_remove), - .suspend = puv3_rtc_suspend, - .resume = puv3_rtc_resume, - .driver = { - .name = "PKUnity-v3-RTC", - .owner = THIS_MODULE, - } -}; - -static char __initdata banner[] = "PKUnity-v3 RTC, (c) 2009 PKUnity Co.\n"; - -static int __init puv3_rtc_init(void) -{ - printk(banner); - return platform_driver_register(&puv3_rtcdrv); -} - -static void __exit puv3_rtc_exit(void) -{ - platform_driver_unregister(&puv3_rtcdrv); -} - -module_init(puv3_rtc_init); -module_exit(puv3_rtc_exit); - -MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip"); -MODULE_AUTHOR("Hu Dongliang"); -MODULE_LICENSE("GPL v2"); - diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 9bf7f7af52c5..77e407e49a63 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S @@ -30,7 +30,7 @@ SECTIONS HEAD_TEXT_SECTION INIT_TEXT_SECTION(PAGE_SIZE) INIT_DATA_SECTION(16) - PERCPU(L1_CACHE_BYTES, PAGE_SIZE) + PERCPU_SECTION(L1_CACHE_BYTES) __init_end = .; _stext = .; diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index cd8cbeb5fa34..7c3a95e54ec5 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -30,6 +30,7 @@ #include <asm/proto.h> #include <asm/iommu.h> #include <asm/gart.h> +#include <asm/dma.h> #include <asm/amd_iommu_proto.h> #include <asm/amd_iommu_types.h> #include <asm/amd_iommu.h> @@ -154,6 +155,10 @@ static int iommu_init_device(struct device *dev) pdev = pci_get_bus_and_slot(PCI_BUS(alias), alias & 0xff); if (pdev) dev_data->alias = &pdev->dev; + else { + kfree(dev_data); + return -ENOTSUPP; + } atomic_set(&dev_data->bind, 0); @@ -163,6 +168,20 @@ static int iommu_init_device(struct device *dev) return 0; } +static void iommu_ignore_device(struct device *dev) +{ + u16 devid, alias; + + devid = get_device_id(dev); + alias = amd_iommu_alias_table[devid]; + + memset(&amd_iommu_dev_table[devid], 0, sizeof(struct dev_table_entry)); + memset(&amd_iommu_dev_table[alias], 0, sizeof(struct dev_table_entry)); + + amd_iommu_rlookup_table[devid] = NULL; + amd_iommu_rlookup_table[alias] = NULL; +} + static void iommu_uninit_device(struct device *dev) { kfree(dev->archdata.iommu); @@ -192,7 +211,9 @@ int __init amd_iommu_init_devices(void) continue; ret = iommu_init_device(&pdev->dev); - if (ret) + if (ret == -ENOTSUPP) + iommu_ignore_device(&pdev->dev); + else if (ret) goto out_free; } @@ -2383,6 +2404,23 @@ static struct dma_map_ops amd_iommu_dma_ops = { .dma_supported = amd_iommu_dma_supported, }; +static unsigned device_dma_ops_init(void) +{ + struct pci_dev *pdev = NULL; + unsigned unhandled = 0; + + for_each_pci_dev(pdev) { + if (!check_device(&pdev->dev)) { + unhandled += 1; + continue; + } + + pdev->dev.archdata.dma_ops = &amd_iommu_dma_ops; + } + + return unhandled; +} + /* * The function which clues the AMD IOMMU driver into dma_ops. */ @@ -2395,7 +2433,7 @@ void __init amd_iommu_init_api(void) int __init amd_iommu_init_dma_ops(void) { struct amd_iommu *iommu; - int ret; + int ret, unhandled; /* * first allocate a default protection domain for every IOMMU we @@ -2421,7 +2459,11 @@ int __init amd_iommu_init_dma_ops(void) swiotlb = 0; /* Make the driver finally visible to the drivers */ - dma_ops = &amd_iommu_dma_ops; + unhandled = device_dma_ops_init(); + if (unhandled && max_pfn > MAX_DMA32_PFN) { + /* There are unhandled devices - initialize swiotlb for them */ + swiotlb = 1; + } amd_iommu_stats_init(); diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 9179c21120a8..bfc8453bd98d 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -731,8 +731,8 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, { u8 *p = (u8 *)h; u8 *end = p, flags = 0; - u16 dev_i, devid = 0, devid_start = 0, devid_to = 0; - u32 ext_flags = 0; + u16 devid = 0, devid_start = 0, devid_to = 0; + u32 dev_i, ext_flags = 0; bool alias = false; struct ivhd_entry *e; @@ -887,7 +887,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, /* Initializes the device->iommu mapping for the driver */ static int __init init_iommu_devices(struct amd_iommu *iommu) { - u16 i; + u32 i; for (i = iommu->first_device; i <= iommu->last_device; ++i) set_iommu_for_device(iommu, i); @@ -1177,7 +1177,7 @@ static int __init init_memory_definitions(struct acpi_table_header *table) */ static void init_device_table(void) { - u16 devid; + u32 devid; for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) { set_dev_entry_bit(devid, DEV_ENTRY_VALID); diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 8d128783af47..a3d0dc59067b 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -245,7 +245,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) { set_user_gs(regs, 0); regs->fs = 0; - set_fs(USER_DS); regs->ds = __USER_DS; regs->es = __USER_DS; regs->ss = __USER_DS; diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 6c9dd922ac0d..ca6f7ab8df33 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -338,7 +338,6 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip, regs->cs = _cs; regs->ss = _ss; regs->flags = X86_EFLAGS_IF; - set_fs(USER_DS); /* * Free the old FP and other extended state */ diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index d6e2477feb18..6df88c7885c0 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -47,38 +47,40 @@ #define DstDI (5<<1) /* Destination is in ES:(E)DI */ #define DstMem64 (6<<1) /* 64bit memory operand */ #define DstImmUByte (7<<1) /* 8-bit unsigned immediate operand */ -#define DstMask (7<<1) +#define DstDX (8<<1) /* Destination is in DX register */ +#define DstMask (0xf<<1) /* Source operand type. */ -#define SrcNone (0<<4) /* No source operand. */ -#define SrcReg (1<<4) /* Register operand. */ -#define SrcMem (2<<4) /* Memory operand. */ -#define SrcMem16 (3<<4) /* Memory operand (16-bit). */ -#define SrcMem32 (4<<4) /* Memory operand (32-bit). */ -#define SrcImm (5<<4) /* Immediate operand. */ -#define SrcImmByte (6<<4) /* 8-bit sign-extended immediate operand. */ -#define SrcOne (7<<4) /* Implied '1' */ -#define SrcImmUByte (8<<4) /* 8-bit unsigned immediate operand. */ -#define SrcImmU (9<<4) /* Immediate operand, unsigned */ -#define SrcSI (0xa<<4) /* Source is in the DS:RSI */ -#define SrcImmFAddr (0xb<<4) /* Source is immediate far address */ -#define SrcMemFAddr (0xc<<4) /* Source is far address in memory */ -#define SrcAcc (0xd<<4) /* Source Accumulator */ -#define SrcImmU16 (0xe<<4) /* Immediate operand, unsigned, 16 bits */ -#define SrcMask (0xf<<4) +#define SrcNone (0<<5) /* No source operand. */ +#define SrcReg (1<<5) /* Register operand. */ +#define SrcMem (2<<5) /* Memory operand. */ +#define SrcMem16 (3<<5) /* Memory operand (16-bit). */ +#define SrcMem32 (4<<5) /* Memory operand (32-bit). */ +#define SrcImm (5<<5) /* Immediate operand. */ +#define SrcImmByte (6<<5) /* 8-bit sign-extended immediate operand. */ +#define SrcOne (7<<5) /* Implied '1' */ +#define SrcImmUByte (8<<5) /* 8-bit unsigned immediate operand. */ +#define SrcImmU (9<<5) /* Immediate operand, unsigned */ +#define SrcSI (0xa<<5) /* Source is in the DS:RSI */ +#define SrcImmFAddr (0xb<<5) /* Source is immediate far address */ +#define SrcMemFAddr (0xc<<5) /* Source is far address in memory */ +#define SrcAcc (0xd<<5) /* Source Accumulator */ +#define SrcImmU16 (0xe<<5) /* Immediate operand, unsigned, 16 bits */ +#define SrcDX (0xf<<5) /* Source is in DX register */ +#define SrcMask (0xf<<5) /* Generic ModRM decode. */ -#define ModRM (1<<8) +#define ModRM (1<<9) /* Destination is only written; never read. */ -#define Mov (1<<9) -#define BitOp (1<<10) -#define MemAbs (1<<11) /* Memory operand is absolute displacement */ -#define String (1<<12) /* String instruction (rep capable) */ -#define Stack (1<<13) /* Stack instruction (push/pop) */ -#define GroupMask (7<<14) /* Opcode uses one of the group mechanisms */ -#define Group (1<<14) /* Bits 3:5 of modrm byte extend opcode */ -#define GroupDual (2<<14) /* Alternate decoding of mod == 3 */ -#define Prefix (3<<14) /* Instruction varies with 66/f2/f3 prefix */ -#define RMExt (4<<14) /* Opcode extension in ModRM r/m if mod == 3 */ -#define Sse (1<<17) /* SSE Vector instruction */ +#define Mov (1<<10) +#define BitOp (1<<11) +#define MemAbs (1<<12) /* Memory operand is absolute displacement */ +#define String (1<<13) /* String instruction (rep capable) */ +#define Stack (1<<14) /* Stack instruction (push/pop) */ +#define GroupMask (7<<15) /* Opcode uses one of the group mechanisms */ +#define Group (1<<15) /* Bits 3:5 of modrm byte extend opcode */ +#define GroupDual (2<<15) /* Alternate decoding of mod == 3 */ +#define Prefix (3<<15) /* Instruction varies with 66/f2/f3 prefix */ +#define RMExt (4<<15) /* Opcode extension in ModRM r/m if mod == 3 */ +#define Sse (1<<18) /* SSE Vector instruction */ /* Misc flags */ #define Prot (1<<21) /* instruction generates #UD if not in prot-mode */ #define VendorSpecific (1<<22) /* Vendor specific instruction */ @@ -3154,8 +3156,8 @@ static struct opcode opcode_table[256] = { I(DstReg | SrcMem | ModRM | Src2Imm, em_imul_3op), I(SrcImmByte | Mov | Stack, em_push), I(DstReg | SrcMem | ModRM | Src2ImmByte, em_imul_3op), - D2bvIP(DstDI | Mov | String, ins, check_perm_in), /* insb, insw/insd */ - D2bvIP(SrcSI | ImplicitOps | String, outs, check_perm_out), /* outsb, outsw/outsd */ + D2bvIP(DstDI | SrcDX | Mov | String, ins, check_perm_in), /* insb, insw/insd */ + D2bvIP(SrcSI | DstDX | String, outs, check_perm_out), /* outsb, outsw/outsd */ /* 0x70 - 0x7F */ X16(D(SrcImmByte)), /* 0x80 - 0x87 */ @@ -3212,8 +3214,8 @@ static struct opcode opcode_table[256] = { /* 0xE8 - 0xEF */ D(SrcImm | Stack), D(SrcImm | ImplicitOps), D(SrcImmFAddr | No64), D(SrcImmByte | ImplicitOps), - D2bvIP(SrcNone | DstAcc, in, check_perm_in), - D2bvIP(SrcAcc | ImplicitOps, out, check_perm_out), + D2bvIP(SrcDX | DstAcc, in, check_perm_in), + D2bvIP(SrcAcc | DstDX, out, check_perm_out), /* 0xF0 - 0xF7 */ N, DI(ImplicitOps, icebp), N, N, DI(ImplicitOps | Priv, hlt), D(ImplicitOps), @@ -3613,6 +3615,12 @@ done_prefixes: memop.bytes = c->op_bytes + 2; goto srcmem_common; break; + case SrcDX: + c->src.type = OP_REG; + c->src.bytes = 2; + c->src.addr.reg = &c->regs[VCPU_REGS_RDX]; + fetch_register_operand(&c->src); + break; } if (rc != X86EMUL_CONTINUE) @@ -3682,6 +3690,12 @@ done_prefixes: c->dst.addr.mem.seg = VCPU_SREG_ES; c->dst.val = 0; break; + case DstDX: + c->dst.type = OP_REG; + c->dst.bytes = 2; + c->dst.addr.reg = &c->regs[VCPU_REGS_RDX]; + fetch_register_operand(&c->dst); + break; case ImplicitOps: /* Special instructions do their own operand decoding. */ default: @@ -4027,7 +4041,6 @@ special_insn: break; case 0xec: /* in al,dx */ case 0xed: /* in (e/r)ax,dx */ - c->src.val = c->regs[VCPU_REGS_RDX]; do_io_in: if (!pio_in_emulated(ctxt, ops, c->dst.bytes, c->src.val, &c->dst.val)) @@ -4035,7 +4048,6 @@ special_insn: break; case 0xee: /* out dx,al */ case 0xef: /* out dx,(e/r)ax */ - c->dst.val = c->regs[VCPU_REGS_RDX]; do_io_out: ops->pio_out_emulated(ctxt, c->src.bytes, c->dst.val, &c->src.val, 1); diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c index 8bff7e7c290b..1b2b73ff0a6e 100644 --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -189,10 +189,10 @@ struct multicall_space __xen_mc_entry(size_t args) unsigned argidx = roundup(b->argidx, sizeof(u64)); BUG_ON(preemptible()); - BUG_ON(b->argidx > MC_ARGS); + BUG_ON(b->argidx >= MC_ARGS); if (b->mcidx == MC_BATCH || - (argidx + args) > MC_ARGS) { + (argidx + args) >= MC_ARGS) { mc_stats_flush(b->mcidx == MC_BATCH ? FL_SLOTS : FL_ARGS); xen_mc_flush(); argidx = roundup(b->argidx, sizeof(u64)); @@ -206,7 +206,7 @@ struct multicall_space __xen_mc_entry(size_t args) ret.args = &b->args[argidx]; b->argidx = argidx + args; - BUG_ON(b->argidx > MC_ARGS); + BUG_ON(b->argidx >= MC_ARGS); return ret; } @@ -216,7 +216,7 @@ struct multicall_space xen_mc_extend_args(unsigned long op, size_t size) struct multicall_space ret = { NULL, NULL }; BUG_ON(preemptible()); - BUG_ON(b->argidx > MC_ARGS); + BUG_ON(b->argidx >= MC_ARGS); if (b->mcidx == 0) return ret; @@ -224,14 +224,14 @@ struct multicall_space xen_mc_extend_args(unsigned long op, size_t size) if (b->entries[b->mcidx - 1].op != op) return ret; - if ((b->argidx + size) > MC_ARGS) + if ((b->argidx + size) >= MC_ARGS) return ret; ret.mc = &b->entries[b->mcidx - 1]; ret.args = &b->args[b->argidx]; b->argidx += size; - BUG_ON(b->argidx > MC_ARGS); + BUG_ON(b->argidx >= MC_ARGS); return ret; } |