linux-kernel - Re: [PATCH v2 1/1] counter: cros

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Message-ID: <20190902094022.GK32232@dell>
Date:   Mon, 2 Sep 2019 10:40:22 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Fabien Lahoudere <fabien.lahoudere@...labora.com>
Cc:     gwendal@...omium.org, egranata@...omium.org, kernel@...labora.com,
        William Breathitt Gray <vilhelm.gray@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Nick Vaccaro <nvaccaro@...omium.org>,
        linux-iio@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] counter: cros_ec: Add synchronization sensor

On Fri, 23 Aug 2019, Fabien Lahoudere wrote:

> From: Gwendal Grignou <gwendal@...omium.org>
> 
> EC returns a counter when there is an event on camera vsync.
> This patch comes from chromeos kernel 4.4
> 
> Signed-off-by: Gwendal Grignou <gwendal@...omium.org>
> Signed-off-by: Fabien Lahoudere <fabien.lahoudere@...labora.com>
> 
> CROS EC sync sensor was originally designed as an IIO device.
> Now that the counter subsystem will replace IIO_COUNTER, we
> have to implement a new way to get sync count.
> 
> Signed-off-by: Fabien Lahoudere <fabien.lahoudere@...labora.com>
> ---
>  Documentation/driver-api/generic-counter.rst  |   3 +
>  MAINTAINERS                                   |   7 +
>  drivers/counter/Kconfig                       |   9 +
>  drivers/counter/Makefile                      |   1 +
>  drivers/counter/counter.c                     |   2 +
>  drivers/counter/cros_ec_sensors_sync.c        | 208 ++++++++++++++++++
>  .../cros_ec_sensors/cros_ec_sensors_core.c    |   1 +

>  drivers/mfd/cros_ec_dev.c                     |   3 +

I can't see any reason for this change to be squashed into this patch.

Please separate it out.

>  include/linux/counter.h                       |   1 +
>  9 files changed, 235 insertions(+)
>  create mode 100644 drivers/counter/cros_ec_sensors_sync.c

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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