linux-kernel - Re: [PATCH RFC 0/3] ACPI, clocksource: add GTDT and ARM memory-mapped timer support

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Message-ID: <CADyBb7v2zGURXotA5B8ekr+BXry8=8zF_S5ACoEqUhZGiqui-A@mail.gmail.com>
Date:	Mon, 9 Nov 2015 16:30:09 +0800
From:	Fu Wei <fu.wei@...aro.org>
To:	Linaro ACPI Mailman List <linaro-acpi@...ts.linaro.org>,
	linux-watchdog@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Rafael Wysocki <rjw@...ysocki.net>, lenb@...nel.org,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Hanjun Guo <hanjun.guo@...aro.org>, davem@...emloft.net,
	jeffrey.t.kirsher@...el.com, richardcochran@...il.com
Cc:	Arnd Bergmann <arnd@...db.de>, Guenter Roeck <linux@...ck-us.net>,
	Wim Van Sebroeck <wim@...ana.be>,
	Jon Masters <jcm@...hat.com>, Leo Duran <leo.duran@....com>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	Rob Herring <robherring2@...il.com>, Fu Wei <fu.wei@...aro.org>
Subject: Re: [PATCH RFC 0/3] ACPI, clocksource: add GTDT and ARM memory-mapped
 timer support

Hi all

On 28 October 2015 at 22:32,  <fu.wei@...aro.org> wrote:
> From: Fu Wei <fu.wei@...aro.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
>
> [PATCH 2/3] and [PATCH 3/3] depend on a patchset
> [PATCH v2 0/5] ACPI probing infrastructure,
> https://lkml.org/lkml/2015/9/13/126, which has been accepted by upstream
> maintainer, and has been merged in linux-next.git, tag: next-20151013.

FYI: These dependent patches have been merged into master branch of
vanilla kernel
That means this patchset can be applied on mainline kernel.

>
> 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:
> v1: The first upstreaming version.
>
> 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 | 176 +++++++++++++----
>  include/clocksource/arm_arch_timer.h |  19 ++
>  include/linux/acpi.h                 |  17 ++
>  6 files changed, 554 insertions(+), 35 deletions(-)
>  create mode 100644 drivers/acpi/gtdt.c
>
> --
> 2.4.3
>



-- 
Best regards,

Fu Wei
Software Engineer
Red Hat Software (Beijing) Co.,Ltd.Shanghai Branch
Ph: +86 21 61221326(direct)
Ph: +86 186 2020 4684 (mobile)
Room 1512, Regus One Corporate Avenue,Level 15,
One Corporate Avenue,222 Hubin Road,Huangpu District,
Shanghai,China 200021
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