Re: [PATCH 1/2] mfd: cros_ec: instantiate properly CrOS FP MCU device
From: Lee Jones
Date: Tue Apr 02 2019 - 23:27:18 EST
On Tue, 02 Apr 2019, Lee Jones wrote:
> On Thu, 07 Mar 2019, Enric Balletbo i Serra wrote:
> > From: Vincent Palatin <vpalatin@xxxxxxxxxxxx>
> > Support Fingerprint MCU as a special of CrOS EC devices. The current FP
> > MCU uses the same EC SPI protocol v3 as other CrOS EC devices on a SPI
> > bus.
> > When a MCU has fingerprint support (aka EC_FEATURE_FINGERPRINT), it is
> > instantiated as a special CrOS EC device with device name 'cros_fp'. So
> > regardless of the probing order between the actual cros_ec and cros_fp,
> > the userspace and other kernel drivers should not confuse them.
> > Signed-off-by: Vincent Palatin <vpalatin@xxxxxxxxxxxx>
> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> > ---
> > drivers/mfd/cros_ec_dev.c | 10 ++++++++++
> > include/linux/mfd/cros_ec.h | 1 +
> > 2 files changed, 11 insertions(+)
> Applied, thanks.
Looks like this depends on:
mfd: cros: Update EC protocol to match current EC code
Removing until it's applied.
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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