Re: [PATCH v7 01/20] pinctrl: tegra: Add suspend and resume support

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On Wed, Aug 7, 2019 at 5:40 AM Sowjanya Komatineni
<skomatineni@xxxxxxxxxx> wrote:
> On 8/6/19 2:51 PM, Sowjanya Komatineni wrote:
> >
> > On 8/5/19 2:20 AM, Linus Walleij wrote:
> >> On Wed, Jul 31, 2019 at 11:11 PM Sowjanya Komatineni
> >> <skomatineni@xxxxxxxxxx> wrote:
> >>
> >>> 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>
> >>> Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> >>> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
> >> Patch applied to the pinctrl tree.
> >>
> >> This patch seems finished.
> >>
> >> Also if the rest don't get merged for v5.4 then at least this is so
> >> your patch stack gets more shallow.
> >>
> >> I hope it's fine to merge this separately, else tell me and I'll
> >> pull it out.
> >>
> >> Yours,
> >> Linus Walleij
> >
> > Yes, this patch can be merged separately. But, there's latest feedback
> > from Dmitry to add barrier after writes to make sure pinmux register
> > writes happen.
> >
> > So will update this patch to add barrier in v8. So, need to wait for v8.
> >
> > Thanks
> >
> > Sowjanya
> >
> I see it merged. So will exclude suspend/resume patch and will add patch
> for necessary write barrier fix in v8 version.

Yeah just make an incremental patch, that's fine.
If you want to overdo it you can add a Fixes: tag to
the original patch, but I don't care much.

Yours,
Linus Walleij



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