[PATCH v2 0/3] ACPI, clocksource: add GTDT and ARM memory-mapped timer support

Daniel Lezcano daniel.lezcano at linaro.org
Wed Dec 16 08:32:01 PST 2015


Marc,

can you have a look ?

Thanks

   -- Daniel

On 12/02/2015 06:43 AM, fu.wei at linaro.org wrote:
> From: Fu Wei <fu.wei at linaro.org>
>
> This patchset:
>      (1)Introduce ACPI GTDT parser: drivers/acpi/gtdt.c
>      Parse all kinds of timer in GTDT table of ACPI:arch timer,
>      memory-mapped timer and SBSA Generic Watchdog timer.
>      This driver can help to simplify all the relevant timer drivers,
>      and separate all the ACPI GTDT knowledge from them.
>
>      (2)Simplify ACPI code for arch timer in arm_arch_timer.c
>
>      (3)Add memory-mapped timer support in arm_arch_timer.c
>
> The SBSA Generic Watchdog info parsing support have been tested with
> a upstreaming SBSA Generic Watchdog driver:
> https://lkml.org/lkml/2015/10/27/466
> on the following platforms:
>      (1)ARM Foundation v8 model
>      (2)AMD Seattle platform
>
> ARM memory-mapped timer support of this patchset has been tested
> on the following platforms:
>      (1)ARM Foundation v8 model
>
> Changelog:
> v2: Rebase to latest kernel version(4.4-rc3).
>      Fix the bug about the config problem,
>      use CONFIG_ACPI_GTDT instead of CONFIG_ACPI in arm_arch_timer.c
>
> v1: The first upstreaming version: https://lkml.org/lkml/2015/10/28/553
>
> Fu Wei (3):
>    ACPI: add GTDT table parse driver into ACPI driver
>    clocksource: simplify ACPI code in arm_arch_timer.c
>    clocksource: add memory-mapped timer support in arm_arch_timer.c
>
>   drivers/acpi/Kconfig                 |   9 +
>   drivers/acpi/Makefile                |   1 +
>   drivers/acpi/gtdt.c                  | 367 +++++++++++++++++++++++++++++++++++
>   drivers/clocksource/arm_arch_timer.c | 178 +++++++++++++----
>   include/clocksource/arm_arch_timer.h |  19 ++
>   include/linux/acpi.h                 |  17 ++
>   6 files changed, 555 insertions(+), 36 deletions(-)
>   create mode 100644 drivers/acpi/gtdt.c
>


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