Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1264019 > unrolled thread

Re: [PATCH v3] pwm: lpss: Add support for runtime PM

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: [PATCH v3] pwm: lpss: Add support for runtime PM Thierry Reding <thierry.reding@gmail.com> - 2015-11-06 14:40 +0100

#1264019 — Re: [PATCH v3] pwm: lpss: Add support for runtime PM

[Multipart message — attachments visible in raw view] — view raw

On Mon, Oct 26, 2015 at 12:58:27PM +0200, Mika Westerberg wrote:
> From: Qipeng Zha <qipeng.zha@intel.com>
> 
> To be able to save some power when PWM is not in use, add support for
> runtime PM for this driver. This also allows the platform to transition to
> low power S0ix states when the system is idle.
> 
> Signed-off-by: Huiquan Zhong <huiquan.zhong@intel.com>
> Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> ---
> The original patch from Qipeng is here:
> 
> http://thread.gmane.org/gmane.linux.pwm/2803
> 
> I modified it a bit so that it does runtime_pm_get_sync() on enable and
> runtime_pm_put() on disable. That allows us to get rid of the autosuspend
> thing in v2.
> 
> This applies on top of my previous series here:
> 
> http://thread.gmane.org/gmane.linux.pwm/2920
> 
>  drivers/pwm/pwm-lpss-pci.c      | 32 ++++++++++++++++++++++++++++++++
>  drivers/pwm/pwm-lpss-platform.c |  6 ++++++
>  drivers/pwm/pwm-lpss.c          |  7 +++++++
>  3 files changed, 45 insertions(+)

Applied, thanks.

Thierry

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web