Re: [PATCH v5 00/10] Atmel System Timer cleanups

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On 03/12/2015 01:07 PM, Alexandre Belloni wrote:
This patch set cleans up the system timer driver.

The main goal is to get rid of the mach/ headers dependency. At the same time,
it introduces proper probing and locking (using a regmap) for the watchdog
driver.

This is based on 4.0-rc1 and will have two merge conflicts with my cleanup #1 in
mach-at91/at91rm9200.c

It also needs this patch to probe the watchdog properly:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/327274.html


Hi Alexandre,

through which tree do you want this patchset to be merged ?

Thanks
  -- Daniel

Changes in v5:
  - Documented the watchdog compatible
  - Switched to simple-mfd to probe the system timer subnodes
  - Selected ATMEL_ST from mach-at91/Kconfig instead of using def_bool SOC_AT91RM9200
  - Reordered the atmel-st probe cleanup and its move to driver/clocksource
  - Added a patch to replace setup_irq by request_irq
  - Merged the reset handling in the watchdog timer as we are using the watchdog
    anyway to reset the board.
  - Used a simple space after a #define for registers

Changes in v4:
  - Added MODULE_* metadata in at91rm9200-reset
  - Proper copyright in at91rm9200-reset
  - Use BIT() in atmel-st.h
  - changed MODULE_ALIAS in at91rm9200_wdt.c

Changes in v3:
  - stop using an mfd and get the syscon directly from the watchdog driver
  - introduce a proper reset driver to handle reset

Changes in v2:
  - cleaned up more includes in the watchdog driver
  - stop using if OF when selecting CLKSRC_OF
  - stop initializing .owner


Alexandre Belloni (10):
   ARM: at91/dt: declare atmel,at91rm9200-st as a syscon
   mfd: syscon: Add atmel system timer registers definition
   watchdog: at91rm9200: use the system timer syscon
   watchdog: at91rm9200: implement restart handler
   ARM: at91: at91rm9200: remove deprecated arm_pm_restart
   ARM: at91: properly initialize timer
   ARM: at91: time: move the system timer driver to drivers/clocksource
   clocksource: atmel-st: use syscon/regmap
   clocksource: atmel-st: remove mach/hardware dependency
   ARM: at91: remove useless include

  .../devicetree/bindings/arm/atmel-at91.txt         |   4 +-
  arch/arm/boot/dts/at91rm9200.dtsi                  |   6 +-
  arch/arm/mach-at91/Kconfig                         |   1 +
  arch/arm/mach-at91/Makefile                        |   2 +-
  arch/arm/mach-at91/at91rm9200.c                    |  19 ----
  arch/arm/mach-at91/generic.h                       |   3 -
  arch/arm/mach-at91/include/mach/at91_st.h          |  61 -----------
  drivers/clocksource/Kconfig                        |   4 +
  drivers/clocksource/Makefile                       |   1 +
  .../clocksource/timer-atmel-st.c                   | 115 ++++++++-------------
  drivers/watchdog/Kconfig                           |   2 +-
  drivers/watchdog/at91rm9200_wdt.c                  |  61 +++++++++--
  include/linux/mfd/syscon/atmel-st.h                |  49 +++++++++
  13 files changed, 164 insertions(+), 164 deletions(-)
  delete mode 100644 arch/arm/mach-at91/include/mach/at91_st.h
  rename arch/arm/mach-at91/at91rm9200_time.c => drivers/clocksource/timer-atmel-st.c (74%)
  create mode 100644 include/linux/mfd/syscon/atmel-st.h



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