On Mon, May 19, 2014 at 10:42:31PM +0200, Alexandre Belloni wrote: > Hi, > > Originally sent on Apr 14th, note that this series is blocking another 16 > patches series, I would like it to be taken in 3.16 if we can agree on this > implementation. > > A patch set as suggested by Thierry to make lookup with the lookup table > instead of device tree behave more like when using device tree. > > The first patch adds a period and a polarity member to the lookup table and use > those to set period and polarity. > > Patch 2, 4 and 5 are making use of those new members from the board files. > Patch 3 removes useless code since setting the polarity is now handled by the > PWM core. > > I couldn't decide on a good name for the extended PWM_LOOKUP macro and I believe > we won't have to add members to that structure soon so: > Patch 6 modifies the PWM_LOOKUP macro to also initialize period and polarity > and > Patch 7-9 are making use of the new PWM_LOOKUP macro in the board files > > Patch 10 and 11 are making the leds-pwm and pwm_bl drivers get the period from > the PWM before using pwm_period_ns if it is not already set. > > Patch 10 will obviously conflict with the series of Russell reworking the > leds-pwm probing. I can rebase if necessary > > The final goal would be to get rid of .pwm_period_ns in leds-pwm and pwm_bl > after moving all the remaining users (still around 25) to pwm_lookup. > > Changes in v2: > - correctly unlock the pwm_lookup_lock mutex before returning. > - don't change PWM_LOOKUP atomically > - remove tpu_pwm_platform_data and the associated header file > - make the leds-pwm and pwm_bl drivers get the period from the PWM > > Alexandre Belloni (11): > pwm: add period and polarity to struct pwm_lookup > ARM: shmobile: Armadillo 800 EVA: initialize all struct pwm_lookup > members > pwm: renesas-tpu: remove useless struct tpu_pwm_platform_data > ARM: OMAP3: Beagle: initialize all the struct pwm_lookup members > ARM: pxa: hx4700: initialize all the struct pwm_lookup members > pwm: modify PWM_LOOKUP to initialize all struct pwm_lookup members > ARM: OMAP3: Beagle: use PWM_LOOKUP to initialize struct pwm_lookup > ARM: shmobile: Armadillo 800 EVA: use PWM_LOOKUP to initialize struct > pwm_lookup > ARM: pxa: hx4700: use PWM_LOOKUP to initialize struct pwm_lookup > leds: leds-pwm: retrieve configured pwm period > backlight: pwm_bl: retrieve configured pwm period > > Documentation/pwm.txt | 3 ++- > arch/arm/mach-omap2/board-omap3beagle.c | 3 ++- > arch/arm/mach-pxa/hx4700.c | 3 ++- > arch/arm/mach-shmobile/board-armadillo800eva.c | 14 +++----------- > drivers/leds/leds-pwm.c | 5 ++++- > drivers/pwm/core.c | 8 +++++++- > drivers/pwm/pwm-renesas-tpu.c | 19 +++---------------- > drivers/video/backlight/pwm_bl.c | 8 +++++--- > include/linux/platform_data/pwm-renesas-tpu.h | 16 ---------------- > include/linux/pwm.h | 6 +++++- > 10 files changed, 33 insertions(+), 52 deletions(-) > delete mode 100644 include/linux/platform_data/pwm-renesas-tpu.h I've applied this whole series with some minor fixups (mostly adding detail to commit messages). Test builds show no breakage, so I've pushed this to the for-next branch. Thanks, Thierry
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