[PATCH 2/3] tpm: separate cmd_ready/go_idle from runtime_pm
jarkko.sakkinen at linux.intel.com
Mon Jan 29 08:42:21 UTC 2018
On Tue, Jan 23, 2018 at 08:33:22AM -0700, Jason Gunthorpe wrote:
> On Tue, Jan 23, 2018 at 03:08:41PM +0200, Jarkko Sakkinen wrote:
> > On Tue, Jan 23, 2018 at 01:27:30PM +0200, Tomas Winkler wrote:
> > > We cannot use go_idle cmd_ready commands via runtime_pm handles
> > > as with the introduction of localities this is no longer an optional
> > > feature, while runtime pm can be not enabled.
> > > Though cmd_ready/go_idle provides power saving feature, it's also part of
> > > TPM2 protocol and should be called explicitly.
> > > This patch exposes cmd_read/go_idle via tpm class ops and removes
> > > runtime pm support as it is not used by any driver.
> > >
> > > Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
> > Thank you.
> > LGTM
> > Jason, what do you think?
> The PM stuff has been the source of confusion for a while, seems
> reasonable to get rid of it.
I'll test this ASAP.
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