Messages in this thread | | | Date | Sun, 12 Mar 2017 09:33:12 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v3] tpm: do not suspend/resume if power stays on |
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On Fri, Mar 03, 2017 at 05:09:59PM +0100, Enric Balletbo i Serra wrote: > From: Sonny Rao <sonnyrao@chromium.org> > > 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@chromium.org> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> > --- > 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 ++++++
I would say this shouldn't be TPM specific, but looks like we already have a dts with this, so:
Acked-by: Rob Herring <robh@kernel.org>
> 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(+)
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