On Fri, Mar 03, 2017 at 05:09:59PM +0100, Enric Balletbo i Serra wrote: > From: Sonny Rao <[email protected]> > > The suspend/resume behavior of the TPM can be controlled by setting > "powered-while-suspended" in the DTS. This is useful for the cases > when hardware does not power-off the TPM. > > Signed-off-by: Sonny Rao <[email protected]> > Signed-off-by: Enric Balletbo i Serra <[email protected]> > --- > Changes since v2: > Jarkko Sakkinen > - Add a new TPM_CHIP_FLAG_ALWAYS_POWERED flag instead of using a boolean > variable. > - Remove a trailing newline. > Changes since v1: > Jason Gunthorpe : > - Move the code to handle suspend/resume in the common chip code. > > Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt | 6 ++++++ > drivers/char/tpm/tpm-interface.c | 3 +++ > drivers/char/tpm/tpm.h | 1 + > drivers/char/tpm/tpm_of.c | 3 +++ > 4 files changed, 13 insertions(+) > > diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt > b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt > index 8cb638b..85c8216 100644 > --- a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt > +++ b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt > @@ -8,6 +8,12 @@ Required properties: > the firmware event log > - linux,sml-size : size of the memory allocated for the firmware event log > > +Optional properties: > + > +- powered-while-suspended: present when the TPM is left powered on between > + suspend and resume (makes the suspend/resume > + callbacks do nothing). > + > Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C) > ----------------------------------------------------------
Hey, just noticed something. Shouldn't this be a separate commit? I'm also wondering whether this can be submitted through my tree upper maintainers. Does not change my reviewed-by for the actual code change but you would have to split this into a patch set if this is the case. /Jarkko ------------------------------------------------------------------------------ Announcing the Oxford Dictionaries API! The API offers world-renowned dictionary content that is easy and intuitive to access. Sign up for an account today to start using our lexical data to power your apps and projects. Get started today and enter our developer competition. http://sdm.link/oxford _______________________________________________ tpmdd-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tpmdd-devel
