Re: [PATCH 2/2] pinctrl: cherryview: Save and restore pin configs over system sleep

[Linus Walleij]

On Thu, Dec 4, 2014 at 11:32 AM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:

> Before resuming from system sleep BIOS restores its view of pin
> configuration. If we have configured some pins differently from that, for
> instance some driver requested a pin as a GPIO but it was not in GPIO mode
> originally, our view of the pin configuration will not match the hardware
> state anymore.
>
> This patch saves the pin configuration and interrupt mask registers on
> suspend and restores them on exit. This should make sure that the
> previously configured state is still in effect.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

Patch applied for 3.20.

Yours,
Linus Walleij
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