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Subject: Re: [PATCH 06/10] mfd / platform: cros_ec: Reorganize platform and
 mfd includes
To:     Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        linux-kernel@vger.kernel.org
Cc:     gwendal@chromium.org, Guenter Roeck <groeck@chromium.org>,
        Benson Leung <bleung@chromium.org>,
        Lee Jones <lee.jones@linaro.org>, kernel@collabora.com,
        dtor@chromium.org, Mauro Carvalho Chehab <mchehab@kernel.org>,
        alsa-devel@alsa-project.org,
        Alessandro Zummo <a.zummo@towertech.it>,
        linux-iio@vger.kernel.org,
        Fabien Lahoudere <fabien.lahoudere@collabora.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        linux-i2c@vger.kernel.org, linux-rtc@vger.kernel.org,
        Heiko Stuebner <heiko@sntech.de>,
        Brian Norris <briannorris@chromium.org>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        Sebastian Reichel <sre@kernel.org>,
        Rushikesh S Kadam <rushikesh.s.kadam@intel.com>,
        linux-input@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>,
        Jonathan Cameron <jic23@kernel.org>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
        linux-media@vger.kernel.org, linux-pwm@vger.kernel.org,
        Thierry Reding <thierry.reding@gmail.com>,
        Ravi Chandra Sadineni <ravisadineni@chromium.org>,
        linux-pm@vger.kernel.org, Wolfram Sang <wsa@the-dreams.de>,
        Takashi Iwai <tiwai@suse.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        MyungJoo Ham <myungjoo.ham@samsung.com>,
        Evan Green <evgreen@chromium.org>,
        Hartmut Knaack <knaack.h@gmx.de>,
        Cheng-Yi Chiang <cychiang@chromium.org>,
        Jaroslav Kysela <perex@perex.cz>,
        Kees Cook <keescook@chromium.org>,
        Colin Ian King <colin.king@canonical.com>,
        Mark Brown <broonie@kernel.org>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Jiri Kosina <jikos@kernel.org>
References: <20190604152019.16100-1-enric.balletbo@collabora.com>
 <20190604152019.16100-7-enric.balletbo@collabora.com>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <9054d7c4-883b-b9b5-4c94-02b8d627c337@baylibre.com>
Date:   Wed, 5 Jun 2019 16:26:11 +0200
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In-Reply-To: <20190604152019.16100-7-enric.balletbo@collabora.com>
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On 04/06/2019 17:20, Enric Balletbo i Serra wrote:
> There is a bit of mess between cros-ec mfd includes and platform
> includes. For example, we have a linux/mfd/cros_ec.h include that
> exports the interface implemented in platform/chrome/cros_ec_proto.c. Or
> we have a linux/mfd/cros_ec_commands.h file that is non related to the
> multifunction device (in the sense that is not exporting any function of
> the mfd device). This causes crossed includes between mfd and
> platform/chrome subsystems and makes the code difficult to read, apart
> from creating 'curious' situations where a platform/chrome driver includes
> a linux/mfd/cros_ec.h file just to get the exported functions that are
> implemented in another platform/chrome driver.
> 
> In order to have a better separation on what the cros-ec multifunction
> driver does and what the cros-ec core provides move and rework the
> affected includes doing:
> 
>  - Move cros_ec_commands.h to include/linux/platform_data/cros_ec_commands.h
>  - Get rid of the parts that are implemented in the platform/chrome/cros_ec_proto.c
>    driver from include/linux/mfd/cros_ec.h to a new file
>    include/linux/platform_data/cros_ec_proto.h
>  - Update all the drivers with the new includes, so
>    - Drivers that only need to know about the protocol include
>      - linux/platform_data/cros_ec_proto.h
>      - linux/platform_data/cros_ec_commands.h
>    - Drivers that need to know about the cros-ec mfd device also include
>      - linux/mfd/cros_ec.h
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
> 
>  drivers/extcon/extcon-usbc-cros-ec.c          |   3 +-
>  drivers/hid/hid-google-hammer.c               |   4 +-
>  drivers/i2c/busses/i2c-cros-ec-tunnel.c       |   4 +-
>  drivers/iio/accel/cros_ec_accel_legacy.c      |   3 +-
>  .../common/cros_ec_sensors/cros_ec_sensors.c  |   3 +-
>  .../cros_ec_sensors/cros_ec_sensors_core.c    |   3 +-
>  drivers/iio/light/cros_ec_light_prox.c        |   3 +-
>  drivers/iio/pressure/cros_ec_baro.c           |   3 +-
>  drivers/input/keyboard/cros_ec_keyb.c         |   4 +-
>  .../media/platform/cros-ec-cec/cros-ec-cec.c  |   4 +-
>  drivers/mfd/cros_ec_dev.c                     |   3 +-
>  drivers/platform/chrome/cros_ec.c             |   3 +-
>  drivers/platform/chrome/cros_ec_chardev.c     |   4 +-
>  drivers/platform/chrome/cros_ec_debugfs.c     |   3 +-
>  drivers/platform/chrome/cros_ec_i2c.c         |   4 +-
>  drivers/platform/chrome/cros_ec_lightbar.c    |   3 +-
>  drivers/platform/chrome/cros_ec_lpc.c         |   4 +-
>  drivers/platform/chrome/cros_ec_lpc_reg.c     |   4 +-
>  drivers/platform/chrome/cros_ec_proto.c       |   3 +-
>  drivers/platform/chrome/cros_ec_rpmsg.c       |   4 +-
>  drivers/platform/chrome/cros_ec_spi.c         |   4 +-
>  drivers/platform/chrome/cros_ec_sysfs.c       |   3 +-
>  drivers/platform/chrome/cros_ec_trace.c       |   2 +-
>  drivers/platform/chrome/cros_ec_trace.h       |   4 +-
>  drivers/platform/chrome/cros_ec_vbc.c         |   3 +-
>  drivers/platform/chrome/cros_usbpd_logger.c   |   5 +-
>  drivers/power/supply/cros_usbpd-charger.c     |   5 +-
>  drivers/pwm/pwm-cros-ec.c                     |   4 +-
>  drivers/rtc/rtc-cros-ec.c                     |   3 +-
>  .../linux/iio/common/cros_ec_sensors_core.h   |   3 +-
>  include/linux/mfd/cros_ec.h                   | 306 -----------------
>  .../{mfd => platform_data}/cros_ec_commands.h |   0
>  include/linux/platform_data/cros_ec_proto.h   | 315 ++++++++++++++++++
>  sound/soc/codecs/cros_ec_codec.c              |   4 +-
>  34 files changed, 379 insertions(+), 351 deletions(-)
>  rename include/linux/{mfd => platform_data}/cros_ec_commands.h (100%)
>  create mode 100644 include/linux/platform_data/cros_ec_proto.h
> 

Acked-by: Neil Armstrong <narmstrong@baylibre.com> # for the cros-ec-cec part