Messages in this thread |  | | From | Guenter Roeck <> | Date | Wed, 11 Dec 2019 10:05:52 -0800 | Subject | Re: [PATCH AUTOSEL 5.4 277/350] tpm: Add a flag to indicate TPM power is managed by firmware |
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On Wed, Dec 11, 2019 at 9:57 AM Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> 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@kernel.org> wrote: > > > > > > From: Stephen Boyd <swboyd@chromium.org> > > > > > > [ 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
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