ACK: [PULL][SRU Zesty] Enable the SBSA watchdog on ACPI-based arm64 systems

[Stefan Bader]

On 03.05.2017 23:30, dann frazier wrote:
> This PR consists of clean cherry picks from upstream to enable a
> hardware watchdog on new arm64 servers. This has been tested on the
> QDT2400 and HiSilicon D05, and regression tested on a non-ACPI
> (devicetree) HP m400 and Cavium ThunderX systems.
> 
> BugLink: http://bugs.launchpad.net/bugs/1688114
> 
> The following changes since commit 6e2b676684d740b6c781cf631453127f3f4d7631:
> 
>   UBUNTU: Ubuntu-4.10.0-21.23 (2017-04-28 12:46:22 +0200)
> 
> are available in the git repository at:
> 
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux gtdt
> 
> for you to fetch changes up to 5e3d0bbacfef11721d70365f225245199be02ecd:
> 
>   acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver
> (2017-05-03 15:18:13 -0600)
> 

Looks to be isolated and tested.

> ----------------------------------------------------------------
> Fu Wei (16):
>       clocksource: arm_arch_timer: clean up printk usage
>       clocksource: arm_arch_timer: rename type macros
>       clocksource: arm_arch_timer: rename the PPI enum
>       clocksource: arm_arch_timer: move enums and defines to header file
>       clocksource: arm_arch_timer: add a new enum for spi type
>       clocksource: arm_arch_timer: rework PPI selection
>       clocksource: arm_arch_timer: split dt-only rate handling
>       clocksource: arm_arch_timer: refactor arch_timer_needs_probing
>       clocksource: arm_arch_timer: move arch_timer_needs_of_probing
> into DT init call
>       clocksource: arm_arch_timer: add structs to describe MMIO timer
>       clocksource: arm_arch_timer: split MMIO timer probing.
>       acpi/arm64: Add GTDT table parse driver
>       clocksource: arm_arch_timer: simplify ACPI support code.
>       acpi/arm64: Add memory-mapped timer support in GTDT driver
>       clocksource: arm_arch_timer: add GTDT support for memory-mapped timer
>       acpi/arm64: Add SBSA Generic Watchdog support in GTDT driver
> 
> dann frazier (1):
>       UBUNTU: [Config] CONFIG_ACPI_GTDT=y
> 
>  arch/arm64/Kconfig                        |   1 +
>  debian.master/config/config.common.ubuntu |   1 +
>  drivers/acpi/arm64/Kconfig                |   3 +
>  drivers/acpi/arm64/Makefile               |   1 +
>  drivers/acpi/arm64/gtdt.c                 | 417 ++++++++++++++++++++++
>  drivers/clocksource/arm_arch_timer.c      | 573 +++++++++++++++++++-----------
>  include/clocksource/arm_arch_timer.h      |  34 ++
>  include/linux/acpi.h                      |   7 +
>  8 files changed, 835 insertions(+), 202 deletions(-)
>  create mode 100644 drivers/acpi/arm64/gtdt.c
> 


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