On Fri, Mar 03, 2017 at 05:09:59PM +0100, Enric Balletbo i Serra wrote: > From: Sonny Rao <sonnyrao@xxxxxxxxxxxx> > > 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 <sonnyrao@xxxxxxxxxxxx> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> Reviewed-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx> > +++ b/drivers/char/tpm/tpm_of.c > @@ -34,6 +34,9 @@ int tpm_read_log_of(struct tpm_chip *chip) > else > return -ENODEV; > > + if (of_property_read_bool(np, "powered-while-suspended")) > + chip->flags |= TPM_CHIP_FLAG_ALWAYS_POWERED; > + It is really weird that this is in a function called tpm_read_log_of, but it makes sense to use the existing conditional infrastructure for OF as well. We should try to tidy this later... Jason -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
