Re: [PATCH] gpio: mxc: add power management support

[Linus Walleij]

On Tue, Jul 10, 2018 at 9:53 AM Anson Huang <Anson.Huang@xxxxxxx> wrote:

> GPIO registers could lose context on some i.MX SoCs,
> like on i.MX7D, when enter LPSR mode, the whole SoC
> will be powered off except LPSR domain, GPIO banks
> will lose context in this case, need to restore
> the context after resume from LPSR mode.
>
> This patch adds GPIO save/restore for those necessary
> registers, and put the save/restore operations in noirq
> suspend/resume phase, since GPIO is fundamental module
> which could be used by other peripherals' resume phase.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>

Hoping for some review on this before applying...
Fabio? Bartosz?

Yours,
Linus Walleij