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Message-ID: <CADyBb7t2a9Z04q0i7xm+VOJrs42tmc_M-3QA03F8L1sdPyYhEg@mail.gmail.com>
Date: Thu, 6 Oct 2016 01:26:23 +0800
From: Fu Wei <fu.wei@...aro.org>
To: Xiongfeng Wang <wangxiongfeng2@...wei.com>
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>,
Len Brown <lenb@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Marc Zyngier <marc.zyngier@....com>,
Mark Rutland <mark.rutland@....com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Sudeep Holla <sudeep.holla@....com>,
Hanjun Guo <hanjun.guo@...aro.org>,
linux-arm-kernel@...ts.infradead.org,
Linaro ACPI Mailman List <linaro-acpi@...ts.linaro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
rruigrok@...eaurora.org, "Abdulhamid, Harb" <harba@...eaurora.org>,
Christopher Covington <cov@...eaurora.org>,
Timur Tabi <timur@...eaurora.org>,
G Gregory <graeme.gregory@...aro.org>,
Al Stone <al.stone@...aro.org>, Jon Masters <jcm@...hat.com>,
Wei Huang <wei@...hat.com>, Arnd Bergmann <arnd@...db.de>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
Leo Duran <leo.duran@....com>,
Wim Van Sebroeck <wim@...ana.be>,
Guenter Roeck <linux@...ck-us.net>,
linux-watchdog@...r.kernel.org, Tomasz Nowicki <tn@...ihalf.com>,
Christoffer Dall <christoffer.dall@...aro.org>,
Julien Grall <julien.grall@....com>
Subject: Re: [PATCH v14 0/9] acpi, clocksource: add GTDT driver and GTDT
support in arm_arch_timer
Hi Xiongfeng Wang,
On 30 September 2016 at 08:40, Xiongfeng Wang <wangxiongfeng2@...wei.com> wrote:
> for sbsa watchdog part, Tested-by: wangxiongfeng2@...wei.com on D05 board.
Got it, thanks again for your help
>
> On 2016/9/29 2:17, fu.wei@...aro.org wrote:
>> From: Fu Wei <fu.wei@...aro.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.
>>
>> (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, also refactor
>> original memory-mapped timer dt support for reusing some common
>> code.
>>
>> This patchset depends on the following patchset:
>> [UPDATE PATCH V11 1/8] ACPI: I/O Remapping Table (IORT) initial support
>> https://lkml.org/lkml/2016/9/12/949
>>
>> This patchset has been tested on the following platforms:
>> (1)ARM Foundation v8 model
>>
>> Changelog:
>> v14: https://lkml.org/lkml/2016/9/28/
>> Separate memory-mapped timer GTDT support into two patches
>> 1. Refactor the timer init code to prepare for GTDT
>> 2. Add GTDT support for memory-mapped timer
>>
>> v13: http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1231717.html
>> Improve arm_arch_timer code for memory-mapped
>> timer GTDT support, refactor original memory-mapped timer
>> dt support for reusing some common code.
>>
>> v12: https://lkml.org/lkml/2016/9/13/250
>> Rebase to latest Linux 4.8-rc6
>> Delete the confusing "skipping" in the error message.
>>
>> V11: https://lkml.org/lkml/2016/9/6/354
>> Rebase to latest Linux 4.8-rc5
>> Delete typedef (suggested by checkpatch.pl)
>>
>> V10: https://lkml.org/lkml/2016/7/26/215
>> Drop the "readq" patch.
>> Rebase to latest Linux 4.7.
>>
>> V9: https://lkml.org/lkml/2016/7/25/345
>> 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
>> 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: Refactor the timer init code to
>> prepare for GTDT
>> 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/arm64/Kconfig | 3 +
>> drivers/acpi/arm64/Makefile | 1 +
>> drivers/acpi/arm64/gtdt.c | 309 ++++++++++++++++++++++++++++++++
>> drivers/clocksource/Kconfig | 2 +-
>> drivers/clocksource/arm_arch_timer.c | 331 +++++++++++++++++++++--------------
>> drivers/watchdog/Kconfig | 1 +
>> include/clocksource/arm_arch_timer.h | 32 ++++
>> include/linux/acpi.h | 7 +
>> 9 files changed, 558 insertions(+), 129 deletions(-)
>> create mode 100644 drivers/acpi/arm64/gtdt.c
>>
>
--
Best regards,
Fu Wei
Software Engineer
Red Hat
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