Re: [PATCH V4 03/18] gpio: tegra: use resume_noirq for tegra gpio resume

Sowjanya Komatineni
2019-06-26T17:06:42Z

On 6/25/19 6:38 AM, Linus Walleij wrote:
> On Mon, Jun 24, 2019 at 5:03 AM Sowjanya Komatineni
> <skomatineni@nvidia.com> wrote:
>
>> During SC7 resume, PARKED bit clear from the pinmux registers may
>> cause a glitch on the GPIO lines.
>>
>> So, Tegra GPIOs restore should happen prior to restoring Tegra pinmux
>> to keep the GPIO lines in a known good state prior to clearing PARKED
>> bit.
>>
>> This patch has fix for this by moving Tegra GPIOs restore to happen
>> very early than pinctrl resume.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> Can this patch be applied in isolation from the other patches?
>
> WOuld be nice to have at least Thierry's ACK on it before I
> apply it.
>
> Yours,
> Linus Walleij

Just to confirm, Will not include this in V5 as you are planning to
apply this patch separately.

Thanks

Sowjanya