Re: [PATCH V4 0/4] mmc: Use runtime pm for blkdevice

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Hi Ulf,

On Thu, May 02 2013, Ulf Hansson wrote:
> From: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>
> SDIO has been using runtime pm for a while to handle runtime power save
> operations. This patchset is enabling the option to make the sd/mmc
> blockdevices to use runtime pm as well.
>
> The runtime pm implementation for the block device will make use of
> autosuspend to defer power save operation to after request inactivty for
> a certain time.
>
> Corresponding pm_runtime_get|put calls has been added at those places that
> do requires the card to be fully powered to communicate.
>
> Patch 4 can be considered as a proof of concept patch. It implements
> aggressive power management for (e)MMC/SD. This feature has also been
> discussed on the mmc mailing list previously.
>
> Next step would be to implement the IDLE BKOPS on top of the runtime pm
> callbacks.

Sorry for the delay -- I've pushed all four patches to mmc-next now,
with the goal of merging them for 3.11.  Thanks!

- Chris.
-- 
Chris Ball   <cjb@xxxxxxxxxx>   <http://printf.net/>
One Laptop Per Child
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