Subject: [PATCH v2 00/18] Final Samsung PWM support cleanup

From: [email-masked] (Tomasz Figa)
Date: Sat, 22 Jun 2013 15:10:47 +0200

On Friday 21 of June 2013 16:04:38 Arnd Bergmann wrote:
> On Friday 21 June 2013, Tomasz Figa wrote:
> > Since we now have a proper Samsung PWM clocksource driver in place,
> > we can proceed with further cleanup of PWM timers support on Samsung
> > SoCs.> 
> > This series attempts to achieve this goal by:
> >  1) moving remaining Samsung platforms to the new clocksource driver
> >  2) removing old clocksource driver
> >  3) adding new multiplatform- and DT-aware PWM driver
> >  4) moving all Samsung platforms to use the new PWM driver
> >  5) removing old PWM driver
> >  6) removing all PWM-related code that is not used anymore
> > 
> > Cleaning up the PWM driver is a bit tricky, because the design of
> > current driver makes it completely unsuitable for DT and
> > multiplatform and would require a heavy rework to make it usable,
> > breaking any existing Samsung PWM users by the way. To avoid any
> > breakage I decided to keep the old driver, add new one, move all
> > platforms to it and then remove the old one.
> > 
> > See particular patches for more detailed descriptions.
> > 
> > On S3C6410-based Tiny6410 (Mini6410-compatible), after enabling
> > pwm-beeper and Exynos4210-based Origen board (with PWM0 attached to a
> > scope):
> > 
> > Tested-by: Tomasz Figa <[email-masked]>
> 
> Looks good to me,
> 
> Acked-by: Arnd Bergmann <[email-masked]>

Thanks.

> Two small comments:
> 
> * always use 'git format-patch -M' to detect renames (patch 10)
> 
> * for new code, don't use __raw_readl and similar functions but
>   use readl_relaxed or plain readl.

Just posted v3 of patches 10 and 11 addressing these issues.

Best regards,
Tomasz