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Message-ID: <7b97ec08-212e-76fb-ad12-6d1be5ab6149@nvidia.com>
Date: Wed, 26 Jun 2019 10:06:33 -0700
From: Sowjanya Komatineni <skomatineni@...dia.com>
To: Linus Walleij <linus.walleij@...aro.org>
CC: "thierry.reding@...il.com" <thierry.reding@...il.com>,
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<devicetree@...r.kernel.org>
Subject: Re: [PATCH V4 03/18] gpio: tegra: use resume_noirq for tegra gpio
resume
On 6/25/19 6:38 AM, Linus Walleij wrote:
> On Mon, Jun 24, 2019 at 5:03 AM Sowjanya Komatineni
> <skomatineni@...dia.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@...dia.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
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