Re: [PATCH V5 02/18] pinctrl: tegra: Add suspend and resume support

From: Dmitry Osipenko
Date: Sat Jun 29 2019 - 08:38:30 EST


29.06.2019 2:00, Sowjanya Komatineni ÐÐÑÐÑ:
>
> On 6/28/19 5:05 AM, Dmitry Osipenko wrote:
>> 28.06.2019 14:56, Dmitry Osipenko ÐÐÑÐÑ:
>>> 28.06.2019 5:12, Sowjanya Komatineni ÐÐÑÐÑ:
>>>> This patch adds support for Tegra pinctrl driver suspend and resume.
>>>>
>>>> During suspend, context of all pinctrl registers are stored and
>>>> on resume they are all restored to have all the pinmux and pad
>>>> configuration for normal operation.
>>>>
>>>> Acked-by: Thierry Reding <treding@xxxxxxxxxx>
>>>> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
>>>> ---
>>>> Â int tegra_pinctrl_probe(struct platform_device *pdev,
>>>> ÂÂÂÂÂÂÂÂÂÂÂÂÂ const struct tegra_pinctrl_soc_data *soc_data);
>>>> Â #endif
>>>> diff --git a/drivers/pinctrl/tegra/pinctrl-tegra210.c
>>>> b/drivers/pinctrl/tegra/pinctrl-tegra210.c
>>>> index 0b56ad5c9c1c..edd3f4606cdb 100644
>>>> --- a/drivers/pinctrl/tegra/pinctrl-tegra210.c
>>>> +++ b/drivers/pinctrl/tegra/pinctrl-tegra210.c
>>>> @@ -1571,6 +1571,7 @@ static struct platform_driver tegra210_pinctrl_driver = {
>>>> ÂÂÂÂÂ .driver = {
>>>> ÂÂÂÂÂÂÂÂÂ .name = "tegra210-pinctrl",
>>>> ÂÂÂÂÂÂÂÂÂ .of_match_table = tegra210_pinctrl_of_match,
>>>> +ÂÂÂÂÂÂÂ .pm = &tegra_pinctrl_pm,
>>>> ÂÂÂÂÂ },
>>>> ÂÂÂÂÂ .probe = tegra210_pinctrl_probe,
>>>> Â };
>>>>
>>> Could you please address my comments in the next revision if there will be one?
>>>
>> Also, what about adding ".pm' for other Tegras? I'm sure Jon could test them for you.
>
> This series is for Tegra210 SC7 entry/exit along with clocks and pinctrl suspend
> resume needed for Tegra210 basic sc7 entry and exit.
>
> This includes pinctrl, pmc changes, clock-tegra210 driver changes all w.r.t Tegra210
> platforms specific.
>
> Suspend/resume support for other Tegras will be in separate patch series.

Okay, fair enough.