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SubjectRe: [PATCH v2 0/7] Watchdog: introduce ARM SBSA watchdog driver
For patch 1,4,5,6,and 7, I have tested this on AMD Seattle platform.

Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>

Thanks,

Suravee

On 5/21/15 03:32, fu.wei@linaro.org wrote:
> From: Fu Wei <fu.wei@linaro.org>
>
> This patchset:
>
> (1)Export "arch_timer_get_rate" in arm_arch_timer.c for the
> other drivers, like SBSA watchdog driver
>
> (2)Introduce Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt
> for FDT info of SBSA Generic Watchdog, and give two examples of
> adding SBSA Generic Watchdog device node into the dts files:
> foundation-v8.dts and amd-seattle-soc.dtsi.
>
> (3)Introduce "pretimeout" into the watchdog framework, and update
> Documentation/watchdog/watchdog-kernel-api.txt to introduce:
> (1)the new elements in the watchdog_device and watchdog_ops struct;
> (2)the new API "watchdog_init_timeouts".
>
> (4)Introduce ARM SBSA watchdog driver:
> a.Use linux kernel watchdog framework;
> b.Work with FDT on ARM64;
> c.Use "pretimeout" in watchdog framework;
> d.In first timeout(WS0), do panic to save system context;
> e.Support geting timeout and pretimeout from parameter and FDT
> at the driver init stage.
>
> (5)Parse SBSA Generic Watchdog Structure in GTDT table of ACPI,
> and create a platform device with that information.
> This platform device can be used by This Watchdog driver.
>
> This patchset has been tested with watchdog daemon
> (ACPI/FDT, module/build-in) on the following platforms:
> (1)ARM Foundation v8 model
> (2)AMD Seattle B0
>
> Changelog:
> v2: Improve watchdog-kernel-api.txt documentation for pretimeout support.
> Export "arch_timer_get_rate" in arm_arch_timer.c.
> Add watchdog_init_timeouts API for pretimeout support in framework.
> Improve suspend and resume foundation in driver
> Improve timeout/pretimeout values init code in driver.
> Delete unnecessary items of the sbsa_gwdt struct and #define.
> Delete all unnecessary debug info in driver.
> Fix 64bit division bug.
> Use the arch_timer interface to get watchdog clock rate.
> Add MODULE_DEVICE_TABLE for platform device id.
> Fix typoes.
>
> v1: The first version upstream patchset to linux mailing list
>
> Fu Wei (7):
> clocksource: export "arch_timer_get_rate" for the other drivers
> Documentation: add sbsa-gwdt.txt documentation
> ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts
> ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi
> Watchdog: introduce "pretimeout" into framework
> Watchdog: introduce ARM SBSA watchdog driver
> ACPI: import watchdog info of GTDT into platform device
>
> .../devicetree/bindings/watchdog/sbsa-gwdt.txt | 36 ++
> Documentation/watchdog/watchdog-kernel-api.txt | 62 ++-
> arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 11 +
> arch/arm64/boot/dts/arm/foundation-v8.dts | 10 +
> arch/arm64/kernel/acpi.c | 136 ++++++
> drivers/clocksource/arm_arch_timer.c | 1 +
> drivers/watchdog/Kconfig | 12 +
> drivers/watchdog/Makefile | 1 +
> drivers/watchdog/sbsa_gwdt.c | 476 +++++++++++++++++++++
> drivers/watchdog/watchdog_core.c | 103 +++--
> drivers/watchdog/watchdog_dev.c | 48 +++
> include/linux/watchdog.h | 30 +-
> 12 files changed, 891 insertions(+), 35 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt
> create mode 100644 drivers/watchdog/sbsa_gwdt.c
>


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