Re: [PATCH v4 1/6] tpm: Add a flag to indicate TPM power is managed by firmware

[Jarkko Sakkinen]

On Mon, Aug 12, 2019 at 03:36:17PM -0700, Stephen Boyd wrote:
> 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.
> 
> Cc: Andrey Pronin <apronin@xxxxxxxxxxxx>
> Cc: Duncan Laurie <dlaurie@xxxxxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Guenter Roeck <groeck@xxxxxxxxxxxx>
> Cc: Alexander Steffen <Alexander.Steffen@xxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

LGTM

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

/Jarkko