linux-kernel - [PATCH v7 0/9] acpi, clocksource: add GTDT driver and GTDT support in arm_arch

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Message-Id: <1468432402-4872-1-git-send-email-fu.wei@linaro.org>
Date:	Thu, 14 Jul 2016 01:53:13 +0800
From:	fu.wei@...aro.org
To:	rjw@...ysocki.net, lenb@...nel.org, daniel.lezcano@...aro.org,
	tglx@...utronix.de, marc.zyngier@....com,
	lorenzo.pieralisi@....com, sudeep.holla@....com,
	hanjun.guo@...aro.org
Cc:	linux-arm-kernel@...ts.infradead.org, linaro-acpi@...ts.linaro.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	rruigrok@...eaurora.org, harba@...eaurora.org, cov@...eaurora.org,
	timur@...eaurora.org, graeme.gregory@...aro.org,
	al.stone@...aro.org, jcm@...hat.com, wei@...hat.com, arnd@...db.de,
	wim@...ana.be, catalin.marinas@....com, will.deacon@....com,
	Suravee.Suthikulpanit@....com, leo.duran@....com,
	linux@...ck-us.net, linux-watchdog@...r.kernel.org,
	davem@...emloft.net, akpm@...ux-foundation.org,
	gregkh@...uxfoundation.org, kvalo@...eaurora.org,
	mchehab@...nel.org, jslaby@...e.cz, christoffer.dall@...aro.org,
	julien.grall@....com, Fu Wei <fu.wei@...aro.org>
Subject: [PATCH v7 0/9] acpi, clocksource: add GTDT driver and GTDT support in arm_arch_timer

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/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.
    Also add add the ARM64-specific ACPI Support maintainers in MAINTAINERS.

    (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:
v7: 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
  MAINTAINERS / ACPI: add the ARM64-specific ACPI Support maintainers
  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

 MAINTAINERS                          |   8 +
 drivers/acpi/Kconfig                 |   5 +
 drivers/acpi/Makefile                |   1 +
 drivers/acpi/arm64/Kconfig           |  15 ++
 drivers/acpi/arm64/Makefile          |   1 +
 drivers/acpi/arm64/acpi_gtdt.c       | 343 +++++++++++++++++++++++++++++++++++
 drivers/clocksource/Kconfig          |   1 +
 drivers/clocksource/arm_arch_timer.c | 228 ++++++++++++++++-------
 drivers/watchdog/Kconfig             |   1 +
 include/clocksource/arm_arch_timer.h |  32 ++++
 include/linux/acpi.h                 |   7 +
 11 files changed, 575 insertions(+), 67 deletions(-)
 create mode 100644 drivers/acpi/arm64/Kconfig
 create mode 100644 drivers/acpi/arm64/Makefile
 create mode 100644 drivers/acpi/arm64/acpi_gtdt.c

-- 
2.5.5