Messages in this thread | | | Date | Thu, 17 Mar 2022 14:46:27 -0700 | From | Matthias Kaehlcke <> | Subject | Re: [PATCH v2 3/3] platform/chrome: cros_ec_spi: Boot fingerprint processor during probe |
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On Wed, Mar 16, 2022 at 05:58:14PM -0700, Stephen Boyd wrote: > Add gpio control to this driver so that the fingerprint device can be > booted if the BIOS isn't doing it already. This eases bringup of new > hardware as we don't have to wait for the BIOS to be ready, supports > kexec where the GPIOs may not be configured by the previous boot stage, > and is all around good hygiene because we control GPIOs for this device > from the device driver. > > Cc: Guenter Roeck <groeck@chromium.org> > Cc: Douglas Anderson <dianders@chromium.org> > Cc: Craig Hesling <hesling@chromium.org> > Cc: Tom Hughes <tomhughes@chromium.org> > Cc: Alexandru M Stan <amstan@chromium.org> > Cc: Tzung-Bi Shih <tzungbi@kernel.org> > Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
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