From: Lee Jones <lee.jones@linaro.org>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: groeck@chromium.org, gwendal@chromium.org, kernel@collabora.com,
bleung@chromium.org, linux-kernel@vger.kernel.org,
Vincent Palatin <vpalatin@chromium.org>
Subject: Re: [PATCH 1/2] mfd: cros_ec: instantiate properly CrOS FP MCU device
Date: Wed, 3 Apr 2019 04:27:07 +0100 [thread overview]
Message-ID: <20190403032707.GH4187@dell> (raw)
In-Reply-To: <20190402040137.GK4187@dell>
On Tue, 02 Apr 2019, Lee Jones wrote:
> On Thu, 07 Mar 2019, Enric Balletbo i Serra wrote:
>
> > From: Vincent Palatin <vpalatin@chromium.org>
> >
> > 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@chromium.org>
> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> > ---
> >
> > 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 [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2019-04-03 3:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 17:52 [PATCH 0/2] mfd: cros_ec: instantiate CrOS FP and TP devices Enric Balletbo i Serra
2019-03-07 17:52 ` [PATCH 1/2] mfd: cros_ec: instantiate properly CrOS FP MCU device Enric Balletbo i Serra
2019-04-02 4:01 ` Lee Jones
2019-04-03 3:27 ` Lee Jones [this message]
2019-03-07 17:52 ` [PATCH 2/2] mfd: cros_ec: instantiate properly CrOS Touchpad " Enric Balletbo i Serra
2019-04-02 4:01 ` Lee Jones
2019-04-03 3:27 ` Lee Jones
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