Re: [PATCH AUTOSEL 5.4 277/350] tpm: Add a flag to indicate TPM power is managed by firmware

[Sasha Levin]

On Fri, Dec 13, 2019 at 02:17:31AM +0200, Jarkko Sakkinen wrote:
> On Wed, Dec 11, 2019 at 10:05:52AM -0800, Guenter Roeck wrote:
> > On Wed, Dec 11, 2019 at 9:57 AM Jarkko Sakkinen
> > <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
> > >
> > > On Tue, Dec 10, 2019 at 01:32:15PM -0800, Guenter Roeck wrote:
> > > > On Tue, Dec 10, 2019 at 1:12 PM Sasha Levin <sashal@xxxxxxxxxx> wrote:
> > > > >
> > > > > From: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> > > > >
> > > > > [ Upstream commit 2e2ee5a2db06c4b81315514b01d06fe5644342e9 ]
> > > > >
> > > > > On some platforms, the TPM power is managed by firmware and therefore we
> > > > > don't need to stop the TPM on suspend when going to a light version of
> > > > > suspend such as S0ix ("freeze" suspend state). Add a chip flag,
> > > > > TPM_CHIP_FLAG_FIRMWARE_POWER_MANAGED, to indicate this so that certain
> > > > > platforms can probe for the usage of this light suspend and avoid
> > > > > touching the TPM state across suspend/resume.
> > > > >
> > > >
> > > > Are the patches needed to support CR50 (which need this patch) going
> > > > to be applied to v5.4.y as well ? If not, what is the purpose of
> > > > applying this patch to v5.4.y ?
> > > >
> > > > Thanks,
> > > > Guenter
> > >
> > > Thanks Guenter. I think not.
> > >
> > Thought so. In that case this patch should be dropped.
> >
> > Guenter
>
> I fully agree with you.

I've dropped it, thanks!

--
Thanks,
Sasha