Re: [PATCH v2 3/3] platform/chrome: cros_ec_spi: Boot fingerprint processor during probe

[Matthias Kaehlcke]

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@xxxxxxxxxxxx>
> Cc: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Cc: Craig Hesling <hesling@xxxxxxxxxxxx>
> Cc: Tom Hughes <tomhughes@xxxxxxxxxxxx>
> Cc: Alexandru M Stan <amstan@xxxxxxxxxxxx>
> Cc: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
> Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>

Reviewed-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>