Re: [PATCH 00/16] move at91 and avr32 to the PWM framework, remove obsolete drivers

[Nicolas Ferre]

On 19/03/2014 14:03, Alexandre Belloni :
> Hi,
> 
> This patch set swtiches the at91 and avr32 SoCs and board to the generic PWM
> framework. This allows to remove the obsolete leds-atmel-pwm, atmel-pwm-bl and
> atmel_pwm drivers.
> 
> The first 6 patches take care of the AT91 boards and removes a useless function
> in the process.
> 
> Patch 7 makes pwm-ateml buildable for AVR32
> 
> Patch 8 allows setting the pwm polarity for pwm_bl when using platform data.
> This is required afterwards for the favr-32
> 
> Patches 9-13 take care of the AVR32 boards. This has only been compile tested as
> I don't own any of those boards.
> 
> And the last 3 patches are removing the now obsolete drivers.
> 
> As a note, the atmel_pwm driver has two features not yet available through
> pwm-atmel:
>  - it is possible to pass an IRQ handler that will get called each time one of
>    the channel period has been acheived.
>  - it was possible to set clka and clkb, two clock that divided mck before
>    feeding the pwm controller.
> 
> Those features are not used by anything in the mainline. I'm not sure we can
> implement the first one. We'll get back the second one once all the boards have
> swtiched to the common clock framework.
> 
> 
> Alexandre Belloni (16):
>   ARM: at91: at91sam9g45: switch to generic PWM framework
>   ARM: at91: sam9m10g45ek: use generic leds_pwm driver
>   ARM: at91: at91sam9263: switch to generic PWM framework
>   ARM: at91: sam9263ek: use generic leds_pwm driver
>   ARM: at91: at91sam9rl: switch to generic PWM framework
>   ARM: at91: remove useless at91_pwm_leds()
>   PWM: atmel: allow building for AVR32
>   backlight: pwm_bl: set pwm polarity when using platform data
>   avr32/at32ap: switch to the generic PWM framework
>   avr32: MRMT: use generic leds_pwm driver
>   avr32: merisc: use generic leds_pwm driver
>   avr32: favr-32: use generic pwm_bl driver
>   avr32: update defconfig to use the generic PWM framework
>   backlight: atmel-pwm-bl: remove obsolete driver
>   leds: atmel-pwm: remove obsolete driver
>   misc: atmel_pwm: remove obsolete driver

I am fine with the whole series. For the AT91 specific bits, you can add my:

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

It is a very nice cleanup and I can take the series with me in the AT91
git tree (likely the at91-3.16-cleanup or at91-3.16-drivers branch) if
everybody agree.

Bye,

>  arch/arm/mach-at91/at91sam9263.c           |   1 +
>  arch/arm/mach-at91/at91sam9263_devices.c   |  11 +-
>  arch/arm/mach-at91/at91sam9g45.c           |   1 +
>  arch/arm/mach-at91/at91sam9g45_devices.c   |  11 +-
>  arch/arm/mach-at91/at91sam9rl.c            |   1 +
>  arch/arm/mach-at91/at91sam9rl_devices.c    |  11 +-
>  arch/arm/mach-at91/board-sam9263ek.c       |  56 +++-
>  arch/arm/mach-at91/board-sam9m10g45ek.c    |  43 ++-
>  arch/arm/mach-at91/board.h                 |   1 -
>  arch/arm/mach-at91/leds.c                  |  37 ---
>  arch/avr32/boards/atngw100/mrmt.c          |  35 ++-
>  arch/avr32/boards/favr-32/setup.c          |  49 ++--
>  arch/avr32/boards/merisc/setup.c           |  34 ++-
>  arch/avr32/configs/atngw100_mrmt_defconfig |   5 +-
>  arch/avr32/configs/atstk1002_defconfig     |   5 +-
>  arch/avr32/configs/atstk1003_defconfig     |   5 +-
>  arch/avr32/configs/atstk1004_defconfig     |   5 +-
>  arch/avr32/configs/atstk1006_defconfig     |   5 +-
>  arch/avr32/configs/favr-32_defconfig       |   6 +-
>  arch/avr32/configs/merisc_defconfig        |   5 +-
>  arch/avr32/mach-at32ap/at32ap700x.c        |   7 +-
>  drivers/leds/Kconfig                       |   8 -
>  drivers/leds/Makefile                      |   1 -
>  drivers/leds/leds-atmel-pwm.c              | 149 -----------
>  drivers/misc/Kconfig                       |   9 -
>  drivers/misc/Makefile                      |   1 -
>  drivers/misc/atmel_pwm.c                   | 402 -----------------------------
>  drivers/pwm/Kconfig                        |   2 +-
>  drivers/video/backlight/Kconfig            |  11 -
>  drivers/video/backlight/Makefile           |   1 -
>  drivers/video/backlight/atmel-pwm-bl.c     | 223 ----------------
>  drivers/video/backlight/pwm_bl.c           |   8 +
>  include/linux/atmel-pwm-bl.h               |  43 ---
>  include/linux/atmel_pwm.h                  |  70 -----
>  include/linux/pwm_backlight.h              |   1 +
>  35 files changed, 199 insertions(+), 1064 deletions(-)
>  delete mode 100644 drivers/leds/leds-atmel-pwm.c
>  delete mode 100644 drivers/misc/atmel_pwm.c
>  delete mode 100644 drivers/video/backlight/atmel-pwm-bl.c
>  delete mode 100644 include/linux/atmel-pwm-bl.h
>  delete mode 100644 include/linux/atmel_pwm.h
> 


-- 
Nicolas Ferre
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