From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [PATCH V5 02/18] pinctrl: tegra: Add suspend and resume support Date: Sat, 29 Jun 2019 18:40:34 +0300 Message-ID: <364c7381-1431-1f0d-b162-3da9706fdcb8@gmail.com> References: <1561687972-19319-1-git-send-email-skomatineni@nvidia.com> <1561687972-19319-3-git-send-email-skomatineni@nvidia.com> <0409f478-e425-4e7f-5fff-8c3a94f47ee8@gmail.com> <99403cb1-aaef-4dd4-68a0-67864ca7ce6c@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Sowjanya Komatineni , thierry.reding@gmail.com, jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com Cc: pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org 29.06.2019 15:38, Dmitry Osipenko пишет: > 29.06.2019 2:00, Sowjanya Komatineni пишет: >> >> On 6/28/19 5:05 AM, Dmitry Osipenko wrote: >>> 28.06.2019 14:56, Dmitry Osipenko пишет: >>>> 28.06.2019 5:12, Sowjanya Komatineni пишет: >>>>> 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 >>>>> Signed-off-by: Sowjanya Komatineni >>>>> --- >>>>>   int tegra_pinctrl_probe(struct platform_device *pdev, >>>>>               const struct tegra_pinctrl_soc_data *soc_data); >>>>>   #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 = { >>>>>       .driver = { >>>>>           .name = "tegra210-pinctrl", >>>>>           .of_match_table = tegra210_pinctrl_of_match, >>>>> +        .pm = &tegra_pinctrl_pm, >>>>>       }, >>>>>       .probe = tegra210_pinctrl_probe, >>>>>   }; >>>>> >>>> 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. > It may also make some sense to split this patch into two: 1) add generic tegra-pinctrl suspend-resume support 2) add suspend-resume OPS to the pinctrl-tegra210 For consistency.