[PATCH v18 00/15] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer

Mark Rutland mark.rutland at arm.com
Fri Jan 13 11:29:21 PST 2017


On Fri, Dec 09, 2016 at 01:33:04AM +0800, fu.wei at linaro.org wrote:
> From: Fu Wei <fu.wei at linaro.org>
> This patchset:
>     (1)Preparation for adding GTDT support in arm_arch_timer:
>         1. Move some enums and marcos to header file;
>         2. Add a new enum for spi type;
>         3. Improve printk relevant code;
>         4. Rename some enums and defines;
>         5. Rework PPI determination;
>         6. Rework counter frequency detection;
>         7. Refactor arch_timer_needs_probing, move it into DT init call
>         8. Introduce some new structs and refactor the MMIO timer init code
>         for reusing some common code.
>     (2)Introduce ACPI GTDT parser: drivers/acpi/arm64/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.
>     (3)Simplify ACPI code for arm_arch_timer
>     (4)Add GTDT support for ARM memory-mapped timer.
> This patchset has been tested on the following platforms with ACPI enabled:
>     (1)ARM Foundation v8 model

Once v4.10-rc4 comes out this weekend, could you please rebase and
repost this?

Marc and I will be happy to take a look then.


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