Re: [PATCH v2] pinctrl: pinctrl-single: Add functions to save and restore pinctrl context

[Tony Lindgren <tony@xxxxxxxxxxx>]

* Keerthy <j-keerthy@xxxxxx> [180517 04:42]:
> This adds a pair of context save/restore functions to save/restore the
> state of a set of pinctrl registers. The context is lost during rtc only
> suspend with ddr in self-refresh on am43xx. Currently the save/restore
> is being done unconditionally. This will be optimized later with a
> pdata-quirk function which will allow is to save/restore only when doing
> the rtc only mode with ddr in self refresh.
> 
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> 
> Changes in v2:
> 
>   * As this is needed only the in the suspend/resume path
>     removed the cpu_pm notifier and added the save/restore in
>     the suspend/resume calls.
>   * Saving/Restoring unconditionally at the moment. This will
>     be optimized later with the help of a pdata-quirk function.

Looks good to me:

Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
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