Re: [PATCH v9 0/9] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer

From: Fu Wei
Date: Tue Aug 09 2016 - 14:12:14 EST


Hi Tomasz

On 9 August 2016 at 19:03, Tomasz Nowicki <tn@xxxxxxxxxxxx> wrote:
> Hi Fu,
>
> Are you planing to respin the series based on v4.8-rc1 ? My IORT patches
> depend on this series since they will end up in the same drivers/acpi/arm64/
>
> I think patches are in good shape so we need to enquire who is going to pull
> it in ?

the latest v10 patchset can apply on v4.8-rc1:
https://lkml.org/lkml/2016/7/26/215

>
> Thanks,
> Tomasz
>
>
> On 25.07.2016 17:26, fu.wei@xxxxxxxxxx wrote:
>>
>> From: Fu Wei <fu.wei@xxxxxxxxxx>
>>
>> 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. use readq to get 64-bit CNTVCT.
>>
>> (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:
>> (1)ARM Foundation v8 model
>>
>> Changelog:
>> V9: https://lkml.org/lkml/2016/7/25/
>> Improve pr_err message in acpi gtdt driver.
>> Update Commit message for 7/9
>> shorten the irq mapping function name
>> Improve GTDT driver for memory-mapped timer
>>
>> v8: https://lkml.org/lkml/2016/7/19/660
>> Improve "pr_fmt(fmt)" definition: add "ACPI" in front of "GTDT",
>> and also improve printk message.
>> Simplify is_timer_block and is_watchdog.
>> Merge acpi_gtdt_desc_init and gtdt_arch_timer_init into
>> acpi_gtdt_init();
>> Delete __init in include/linux/acpi.h for GTDT API
>> Make ARM64 select GTDT.
>> Delete "#include <linux/module.h>" from acpi_gtdt.c
>> Simplify GT block parse code.
>>
>> v7: https://lkml.org/lkml/2016/7/13/769
>> Move the GTDT driver to drivers/acpi/arm64
>> Add add the ARM64-specific ACPI Support maintainers in MAINTAINERS
>> Merge 3 patches of GTDT parser driver.
>> Fix the for_each_platform_timer bug.
>>
>> v6: https://lkml.org/lkml/2016/6/29/580
>> split the GTDT driver to 4 parts: basic, arch_timer, memory-mapped
>> timer,
>> and SBSA Generic Watchdog timer
>> Improve driver by suggestions and example code from Daniel Lezcano
>>
>> v5: https://lkml.org/lkml/2016/5/24/356
>> Sorting out all patches, simplify the API of GTDT driver:
>> GTDT driver just fills the data struct for arm_arch_timer driver.
>>
>> v4: https://lists.linaro.org/pipermail/linaro-acpi/2016-March/006667.html
>> Delete the kvm relevant patches
>> Separate two patches for sorting out the code for arm_arch_timer.
>> Improve irq info export code to allow missing irq info in GTDT table.
>>
>> v3: https://lkml.org/lkml/2016/2/1/658
>> Improve GTDT driver code:
>> (1)improve pr_* by defining pr_fmt(fmt)
>> (2)simplify gtdt_sbsa_gwdt_init
>> (3)improve gtdt_arch_timer_data_init, if table is NULL, it will try
>> to get GTDT table.
>> Move enum ppi_nr to arm_arch_timer.h, and add enum spi_nr.
>> Add arm_arch_timer get ppi from DT and GTDT support for kvm.
>>
>> v2: https://lkml.org/lkml/2015/12/2/10
>> 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 (9):
>> clocksource/drivers/arm_arch_timer: Move enums and defines to header
>> file
>> clocksource/drivers/arm_arch_timer: Add a new enum for spi type
>> clocksource/drivers/arm_arch_timer: Improve printk relevant code
>> clocksource/drivers/arm_arch_timer: use readq to get 64-bit CNTVCT
>> acpi/arm64: Add GTDT table parse driver
>> clocksource/drivers/arm_arch_timer: Simplify ACPI support code.
>> acpi/arm64: Add memory-mapped timer support in GTDT driver
>> clocksource/drivers/arm_arch_timer: Add GTDT support for memory-mapped
>> timer
>> acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver
>>
>> arch/arm64/Kconfig | 1 +
>> drivers/acpi/Kconfig | 5 +
>> drivers/acpi/Makefile | 1 +
>> drivers/acpi/arm64/Kconfig | 5 +
>> drivers/acpi/arm64/Makefile | 1 +
>> drivers/acpi/arm64/acpi_gtdt.c | 309
>> +++++++++++++++++++++++++++++++++++
>> drivers/clocksource/Kconfig | 2 +-
>> drivers/clocksource/arm_arch_timer.c | 233 +++++++++++++++++---------
>> drivers/watchdog/Kconfig | 1 +
>> include/clocksource/arm_arch_timer.h | 32 ++++
>> include/linux/acpi.h | 7 +
>> 11 files changed, 519 insertions(+), 78 deletions(-)
>> create mode 100644 drivers/acpi/arm64/Kconfig
>> create mode 100644 drivers/acpi/arm64/Makefile
>> create mode 100644 drivers/acpi/arm64/acpi_gtdt.c
>>
>



--
Best regards,

Fu Wei
Software Engineer
Red Hat