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2014-07-22s390/watchdog: Fix module name in Kconfig help textPhilipp Hachtmann1-1/+1
The help text for DIAG288_WATCHDOG in drivers/watchdog/Kconfig still mentioned the misleading old module name vmwatchdog. This patch changes that to the correct new name diag288_wdt. Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2014-06-21Merge branch 'for-linus' of ↵Linus Torvalds1-2/+5
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 patches from Martin Schwidefsky: "A couple of bug fixes, a debug change for qdio, an update for the default config, and one small extension. The watchdog module based on diagnose 0x288 is converted to the watchdog API and it now works under LPAR as well" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/ccwgroup: use ccwgroup_ungroup wrapper s390/ccwgroup: fix an uninitialized return code s390/ccwgroup: obtain extra reference for asynchronous processing qdio: Keep device-specific dbf entries s390/compat: correct ucontext layout for high gprs s390/cio: set device name as early as possible s390: update default configuration s390: avoid format strings leaking into names s390/airq: silence lockdep warning s390/watchdog: add support for LPAR operation (diag288) s390/watchdog: use watchdog API s390/sclp_vt220: Enable ASCII console per default s390/qdio: replace shift loop by ilog2 s390/cio: silence lockdep warning s390/uaccess: always load the kernel ASCE after task switch s390/ap_bus: Make modules parameters visible in sysfs
2014-06-10watchdog: add Intel MID watchdog driver supportDavid Cohen1-0/+13
Add initial Intel MID watchdog driver support. This driver is an initial implementation of generic Intel MID watchdog driver. Currently it supports Intel Merrifield platform. Signed-off-by: Eric Ernst <eric.ernst@intel.com> Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-06-10watchdog: iop_wdt only builds for mach-iop13xxArnd Bergmann1-1/+1
All three iop variants we support in Linux (iop32x, iop33x and iop13xx) seem to have support for the watchdog hardware, but this driver fails to build for the first two of these because it uses the IOP13XX_WDTCR_IB_RESET macro that is only defined for iop13xx. This clarifies the dependency in Kconfig to avoid randconfig build errors. It is unlikely that anyone will ever miss support for this driver on the ancient iop3xx platforms, so we don't need to bother trying to fix it properly. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org
2014-06-10watchdog: Remove drivers for W83697HF and W83697UGGuenter Roeck1-30/+0
Since both chips are now supported by the w83627hf watchdog driver, the chip specific drivers are no longer needed and can be removed. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-06-10watchdog: imx2_wdt: convert to watchdog core apiAnatolij Gustschin1-0/+1
Convert the imx2_wdt driver to the new watchdog core api. Signed-off-by: Anatolij Gustschin <agust@denx.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-06-10watchdog: imx2_wdt: convert to use regmap API.Xiubo Li1-0/+1
This watchdog driver will be working on IMX2+, Vybrid, LS1, LS2+ platforms, and will be in different endianness mode in those SoCs: SoCs CPU endian mode WDT endian mode ------------------------------------------------ IMX2+ LE LE Vybird LE LE LS1 LE BE LS2 LE LE Other possible SoCs: SoCs CPU endian mode WDT endian mode ------------------------------------------------ Soc1 BE BE Soc2 BE LE And also the watchdog's registers will be 32-bits for some versions, and though it is 16-bits in IMX2+, Vybird and LS+. Using the regmap APIs, could be more easy to support different endianness and also more easy to support 32-bits version... Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-06-10watchdog: Fix SBC8360 dependenciesJean Delvare1-1/+1
According to its Kconfig help text, the sbc8360 watchdog driver is only used on the Axiomtek SBC8360 single-board computer. This piece of hardware is 32-bit x86 so the driver is useless beyond X86_32. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-06-10s390/watchdog: add support for LPAR operation (diag288)Philipp Hachtmann1-0/+2
Add the LPAR variant of the diag 288 watchdog to the driver. The only available action on timeout for LPAR is a PSW restart. Signed-off-by: Philipp Hachtmann <phacht@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2014-06-10s390/watchdog: use watchdog APIPhilipp Hachtmann1-2/+3
Converted the vmwatchdog driver to use the kernel's watchdog API. Signed-off-by: Philipp Hachtmann <phacht@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2014-04-05Merge tag 'drivers-3.15' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver changes from Arnd Bergmann: "These changes are mostly for ARM specific device drivers that either don't have an upstream maintainer, or that had the maintainer ask us to pick up the changes to avoid conflicts. A large chunk of this are clock drivers (bcm281xx, exynos, versatile, shmobile), aside from that, reset controllers for STi as well as a large rework of the Marvell Orion/EBU watchdog driver are notable" * tag 'drivers-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits) Revert "dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac." Revert "net: stmmac: Add SOCFPGA glue driver" ARM: shmobile: r8a7791: Fix SCIFA3-5 clocks ARM: STi: Add reset controller support to mach-sti Kconfig drivers: reset: stih416: add softreset controller drivers: reset: stih415: add softreset controller drivers: reset: Reset controller driver for STiH416 drivers: reset: Reset controller driver for STiH415 drivers: reset: STi SoC system configuration reset controller support dts: socfpga: Add sysmgr node so the gmac can use to reference dts: socfpga: Add support for SD/MMC on the SOCFPGA platform reset: Add optional resets and stubs ARM: shmobile: r7s72100: fix bus clock calculation Power: Reset: Generalize qnap-poweroff to work on Synology devices. dts: socfpga: Update clock entry to support multiple parents ARM: socfpga: Update socfpga_defconfig dts: socfpga: Add DTS entry for adding the stmmac glue layer for stmmac. net: stmmac: Add SOCFPGA glue driver watchdog: orion_wdt: Use %pa to print 'phys_addr_t' drivers: cci: Export CCI PMU revision ...
2014-03-31watchdog: Fix Elan SC520 dependenciesJean Delvare1-1/+1
Anyone using a system based on an AMD Elan SC520 processor would be building a dedicated kernel for it, so we can make the sc520_wdt driver depend on MELAN. SC520_CPUFREQ already depends on MELAN so it makes things more consistent. It also makes kernel configuration for every other x86 user easier. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-03-31watchdog: bcm281xx: Fix Kconfig dependencyMarkus Mayer1-1/+1
Use more the applicable ARCH_BCM_MOBILE option instead of ARCH_BCM as dependency for bcm_kona_wdt.c. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-03-31watchdog: orion: prepare new Dove DT Kconfig variableSebastian Hesselbarth1-1/+1
DT-enabled Dove will move over from ARCH_DOVE in mach-dove to MACH_DOVE in mach-mvebu. As non-DT ARCH_DOVE will stay to rot for a while, add a new DT-only MACH_DOVE Kconfig. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-03-31watchdog: Add tegra watchdogAndrew Chew1-0/+11
Add a driver for the hardware watchdogs in NVIDIA Tegra SoCs (Tegra30 and later). This driver will configure one watchdog timer that will reset the system in the case of a watchdog timeout. This driver binds to the nvidia,tegra30-timer device node and gets its register base from there. Signed-off-by: Andrew Chew <achew@nvidia.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-03-31watchdog: xilinx: Enable this driver for ZynqMichal Simek1-13/+9
Enable this driver for Zynq. Move it to architecture independent Kconfig part. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-03-31watchdog: xilinx: Convert driver to the watchdog frameworkMichal Simek1-0/+1
- Remove uneeded headers, fops functions - Use xilinx_wdt prefix in start/stop/keepalive functions and in new structures Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-02-25Merge tag 'mvebu-watchdog-3.15' of git://git.infradead.org/linux-mvebu into ↵Arnd Bergmann1-1/+1
next/drivers mvebu watchdog driver changes for v3.15 - orion watchdog - cleanup and extend driver to support Armada 370 and Armada XP Depends: - tags/irqchip-mvebu-fixes-3.14 (already pulled by tglx) - both are based on v3.14-rc1 * tag 'mvebu-watchdog-3.15' of git://git.infradead.org/linux-mvebu: watchdog: orion: Enable the build on ARCH_MVEBU watchdog: orion: Add support for Armada 370 and Armada XP SoC watchdog: orion: Add per-compatible watchdog start implementation watchdog: orion: Add per-compatible clock initialization watchdog: orion: Introduce per-compatible of_device_id data watchdog: orion: Introduce an orion_watchdog device structure watchdog: orion: Remove unneeded BRIDGE_CAUSE clear watchdog: orion: Make RSTOUT register a separate resource watchdog: orion: Handle the interrupt so it's properly acked watchdog: orion: Make sure the watchdog is initially stopped watchdog: orion: Remove unused macros watchdog: orion: Use atomic access for shared registers watchdog: orion: Add clock error handling Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-02-22watchdog: orion: Enable the build on ARCH_MVEBUEzequiel Garcia1-1/+1
After adding support for Armada 370/XP SoC let's enable the build on these platforms. Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Wim Van Sebroeck <wim@iguana.be> Tested-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-08watchdog: dw_wdt: Add dependency on HAS_IOMEMRichard Weinberger1-0/+1
On archs like S390 or um this driver cannot build nor work. Make it depend on HAS_IOMEM to bypass build failures. drivers/built-in.o: In function `dw_wdt_drv_probe': drivers/watchdog/dw_wdt.c:302: undefined reference to `devm_ioremap_resource' Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: w83627hf: Add support for W83697HF and W83697UGGuenter Roeck1-0/+2
Major difference is that the watchdog control and counter registers are different on both chips. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: w83627hf: Auto-detect IO address and supported chipsGuenter Roeck1-4/+11
Instead of requiring the user to provide an IO address per module parameter, auto-detect it as well as supported chips. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: sp805_wdt depends also on ARM64Naresh Bhat1-1/+1
Add sp805_wdt depends on ARM64. Signed-off-by: Naresh Bhat <naresh.bhat@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: mpc8xxx_wdt convert to watchdog coreChristophe Leroy1-0/+1
Convert mpc8xxx_wdt.c to the new watchdog API. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: dw_wdt: remove build dependenciesBaruch Siach1-2/+1
There is nothing ARM specific in this driver, and we intend to use it on the Xtensa architecture. Also, clk.h now includes stubs for !CONFIG_HAVE_CLK, so the driver should build anyway. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: s3c2410_wdt: use syscon regmap interface to configure pmu registerLeela Krishna Amudala1-0/+1
Add device tree support for exynos5250 and 5420 SoCs and use syscon regmap interface to configure AUTOMATIC_WDT_RESET_DISABLE and MASK_WDT_RESET_REQUEST registers of PMU to mask/unmask enable/disable of watchdog in probe and s2r scenarios. Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com> Signed-off-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: GPIO-controlled watchdogAlexander Shiyan1-0/+8
This patch adds a watchdog driver for devices controlled through GPIO, (Analog Devices ADM706, Maxim MAX823, National NE555 etc). Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: davinci: reuse driver for keystone archIvan Khoronzhuk1-2/+2
The keystone arch uses the same IP watchdog, so add "ti,keystone-wdt" compatible and correct identity. The Keystone arch is using clocks in DT and source clock for watchdog has to be specified, so add this to binding. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: davinci: change driver to use WDT coreIvan Khoronzhuk1-0/+1
To reduce code duplicate and increase code readability use WDT core code to handle WDT interface. Remove io_lock as the WDT core uses mutex to lock each wdt device. Remove wdt_state as the WDT core tracks state with its own variable. The watchdog_init_timeout() can read timeout value from timeout-sec property if the passed value is out of bounds. The heartbeat is initialized in next way. If heartbeat is not set thought module parameter, try to read it's value from WDT node timeout-sec property. If node has no one, use default value. The heartbeat is hold in wdd->timeout by WDT core, so use it in order to set timeout period. Davinci WDT can't be stopped and once it's expired - it can be rearmed only after hardware reset, that's why nowayout feature is enforced. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: bcm281xx: Debugfs supportMarkus Mayer1-0/+10
This change introduces debugfs support for the BCM281xx watchdog driver. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2014-01-28watchdog: bcm281xx: Watchdog DriverMarkus Mayer1-0/+12
This commit adds support for the watchdog timer used on the BCM281xx family of SoCs. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Reviewed-by: Matt Porter <matt.porter@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-11-18watchdog: w83627hf: Convert to watchdog infrastructureGuenter Roeck1-0/+1
Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-11-17watchdog: sirf: add watchdog driver of CSR SiRFprimaII and SiRFatlasVIXianglong Du1-0/+9
On CSR SiRFprimaII and SiRFatlasVI, the 6th timer can act as a watchdog timer when the Watchdog mode is enabled. watchdog occur when TIMER watchdog counter matches the value software pre-set, when this event occurs, the effect is the same as the system software reset. Signed-off-by: Xianglong Du <Xianglong.Du@csr.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> Cc: Romain Izard <romain.izard.pro@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-11-17watchdog: add ralink watchdog driverJohn Crispin1-0/+7
Add a driver for the watchdog timer found on Ralink SoC Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: devicetree-discuss@lists.ozlabs.org
2013-11-17watchdog: Add MOXA ART watchdog driverJonas Jensen1-0/+10
This patch adds a watchdog driver for the main hardware watchdog timer found on MOXA ART SoCs. The MOXA ART SoC provides one writable timer register, restarting the hardware once it reaches zero. The register is auto decremented every APB clock cycle. Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-09-16watchdog: Drop references to H8300 architectureGuenter Roeck1-2/+0
Architecture is gone. Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-09-10watchdog: sunxi: New watchdog driver for Allwinner A10/A13Carlo Caione1-0/+10
This patch adds the driver for the watchdog found in the Allwinner A10 and A13 SoCs. It has DT-support and uses the new watchdog framework. Signed-off-by: Carlo Caione <carlo.caione@gmail.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-07-13Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds1-1/+1
Pull MIPS updates from Ralf Baechle: "MIPS updates: - All the things that didn't make 3.10. - Removes the Windriver PPMC platform. Nobody will miss it. - Remove a workaround from kernel/irq/irqdomain.c which was there exclusivly for MIPS. Patch by Grant Likely. - More small improvments for the SEAD 3 platform - Improvments on the BMIPS / SMP support for the BCM63xx series. - Various cleanups of dead leftovers. - Platform support for the Cavium Octeon-based EdgeRouter Lite. Two large KVM patchsets didn't make it for this pull request because their respective authors are vacationing" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (124 commits) MIPS: Kconfig: Add missing MODULES dependency to VPE_LOADER MIPS: BCM63xx: CLK: Add dummy clk_{set,round}_rate() functions MIPS: SEAD3: Disable L2 cache on SEAD-3. MIPS: BCM63xx: Enable second core SMP on BCM6328 if available MIPS: BCM63xx: Add SMP support to prom.c MIPS: define write{b,w,l,q}_relaxed MIPS: Expose missing pci_io{map,unmap} declarations MIPS: Malta: Update GCMP detection. Revert "MIPS: make CAC_ADDR and UNCAC_ADDR account for PHYS_OFFSET" MIPS: APSP: Remove <asm/kspd.h> SSB: Kconfig: Amend SSB_EMBEDDED dependencies MIPS: microMIPS: Fix improper definition of ISA exception bit. MIPS: Don't try to decode microMIPS branch instructions where they cannot exist. MIPS: Declare emulate_load_store_microMIPS as a static function. MIPS: Fix typos and cleanup comment MIPS: Cleanup indentation and whitespace MIPS: BMIPS: support booting from physical CPU other than 0 MIPS: Only set cpu_has_mmips if SYS_SUPPORTS_MICROMIPS MIPS: GIC: Fix gic_set_affinity infinite loop MIPS: Don't save/restore OCTEON wide multiplier state on syscalls. ...
2013-07-11watchdog: New watchdog driver for MEN A21 watchdogsJohannes Thumshirn1-0/+12
This patch adds the driver for the watchdog devices found on MEN Mikro Elektronik A21 VMEbus CPU Carrier Boards. It has DT-support and uses the watchdog framework. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-07-11Watchdog: allow orion_wdt to be built for DoveRussell King1-1/+1
The watchdog infrastructure in Dove is no different from that in Orion5x or Kirkwood, so let's enable it for Dove. The only things missing are a few register settings in Dove's bridge-regs.h. Rather than duplicating the same register bit masks for the RSTOUTn_MASK and BRIDGE_CAUSE registers, move the definitions into the watchdog driver itself. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Jason Cooper <jason@lakedaemon.net> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-07-11watchdog: Add Broadcom BCM2835 watchdog timer driverLubomir Rintel1-0/+11
This adds a driver for watchdog timer hardware present on Broadcom BCM2835 SoC, used in Raspberry Pi and Roku 2 devices. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-watchdog@vger.kernel.org Cc: devicetree-discuss@lists.ozlabs.org
2013-07-11watchdog: delete mpcore_wdt driverViresh Kumar1-9/+0
Interrupt request doesn't use the right API: The TWD watchdog uses a per-cpu interrupt (usually interrupt #30), and the GIC configuration should flag it as such. With this setup, request_irq() should fail, and the right API is request_percpu_irq(), together with enable_percpu_irq()/disable_percpu_irq(). Nothing ensures the userspace ioctl() will end-up kicking the watchdog on the right CPU. There are no users of this driver since a long time and it makes more sense to get rid of it as nobody is looking to fix it. In case somebody wakes up after this has been removed and needs it, please revert this driver and pick these updates (These were never pushed to mainline): http://comments.gmane.org/gmane.linux.ports.arm.kernel/245998 Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-06-30watchdog: Kontron PLD watchdog timer driverKevin Strasser1-0/+11
Add watchdog timer support for the on-board PLD found on some Kontron embedded modules. Originally-From: Michael Brunner <michael.brunner@kontron.com> Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Darren Hart <dvhart@linux.intel.com> Acked-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-06-10MIPS: OCTEON: Rename Kconfig CAVIUM_OCTEON_REFERENCE_BOARD to CAVIUM_OCTEON_SOCDavid Daney1-1/+1
CAVIUM_OCTEON_SOC most place we used to use CPU_CAVIUM_OCTEON. This allows us to CPU_CAVIUM_OCTEON in places where we have no OCTEON SOC. Remove CAVIUM_OCTEON_SIMULATOR as it doesn't really do anything, we can get the same configuration with CAVIUM_OCTEON_SOC. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-ide@vger.kernel.org Cc: linux-edac@vger.kernel.org Cc: linux-i2c@vger.kernel.org Cc: netdev@vger.kernel.org Cc: spi-devel-general@lists.sourceforge.net Cc: devel@driverdev.osuosl.org Cc: linux-usb@vger.kernel.org Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Patchwork: https://patchwork.linux-mips.org/patch/5295/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-04-14watchdog: Revert the AT91RM9200_WATCHDOG dependencyNicolas Ferre1-1/+1
Compiling the at91rm9200_wdt.c driver without at91rm9200 support was leading to several errors: drivers/built-in.o: In function `at91_wdt_close': at91_adc.c:(.text+0xc9fe4): undefined reference to `at91_st_base' drivers/built-in.o: In function `at91_wdt_write': at91_adc.c:(.text+0xca004): undefined reference to `at91_st_base' drivers/built-in.o: In function `at91wdt_shutdown': at91_adc.c:(.text+0xca01c): undefined reference to `at91_st_base' drivers/built-in.o: In function `at91wdt_suspend': at91_adc.c:(.text+0xca038): undefined reference to `at91_st_base' drivers/built-in.o: In function `at91_wdt_open': at91_adc.c:(.text+0xca0cc): undefined reference to `at91_st_base' drivers/built-in.o:at91_adc.c:(.text+0xca2c8): more undefined references to `at91_st_base' follow So, reverting the modification of the "depends" Kconfig line introduced by patch a6a1bcd37 (watchdog: at91rm9200: add DT support) seems to be the good solution. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: sp805_wdt depends on ARMAlessandro Rubini1-1/+1
The SP805 driver is only used by the Spear machines, and uses writel_relaxed, which is not available on all architectures. The dependency from CONFIG_ARM avoids compilation problems under randomconfig when CONFIG_ARM_AMBA is enabled for x86 builds. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Signed-off-by: Davide Ciminaghi <ciminaghi@gnudd.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: at91rm9200: add DT supportJoachim Eastwood1-1/+1
Add DT support for at91rm9200_wdt. Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: at91sam9_wdt: Convert to use the watchdog frameworkWenyou Yang1-0/+1
According to Documentation/watchdog/convert_drivers_to_kernel_api.txt, remove the file_operations struct, miscdevice, and obsolete includes Since the at91sam watchdog inherent characteristics, add the watchdog operations: at91wdt_start, at91wdt_stop and at91wdt_ping. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Cc: linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org
2013-03-01watchdog: bcm47xx_wdt.c: convert to watchdog core apiHauke Mehrtens1-0/+1
Convert the bcm47xx_wdt.c driver to the new watchdog core api. The nowayout parameter is now added unconditionally to the module. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2013-03-01watchdog: Convert BookE watchdog driver to watchdog infrastructureGuenter Roeck1-0/+1
Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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