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Date: Mon, 12 Aug 2019 08:25:22 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc: linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
Krzysztof Kozlowski <krzk@...nel.org>,
Will Deacon <will.deacon@....com>,
MyungJoo Ham <myungjoo.ham@...sung.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
Benson Leung <bleung@...omium.org>,
Guenter Roeck <groeck@...omium.org>,
Jonathan Cameron <jic23@...nel.org>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Sebastian Reichel <sre@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Neil Armstrong <narmstrong@...libre.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Collabora kernel ML <kernel@...labora.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Wolfram Sang <wsa@...-dreams.de>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Gwendal Grignou <gwendal@...omium.org>
Subject: Re: [PATCH v5 06/11] mfd / platform: cros_ec: Reorganize platform
and mfd includes
On Mon, 22 Jul 2019, 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@...labora.com>
> Acked-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Acked-by: Mark Brown <broonie@...nel.org>
> Acked-by: Wolfram Sang <wsa@...-dreams.de>
> Acked-by: Neil Armstrong <narmstrong@...libre.com>
> Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> Acked-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Acked-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
> Reviewed-by: Gwendal Grignou <gwendal@...omium.org>
> Tested-by: Gwendal Grignou <gwendal@...omium.org>
> Series changes: 3
> - Fix dereferencing pointer to incomplete type 'struct cros_ec_dev' (lkp)
> ---
>
> Changes in v5: None
> Changes in v4: None
> Changes in v3: None
> Changes in v2: None
>
> 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 +-
> .../cros_ec_sensors/cros_ec_lid_angle.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 | 5 +-
> drivers/mfd/cros_ec_dev.c | 3 +-
> drivers/platform/chrome/cros_ec.c | 3 +-
> drivers/platform/chrome/cros_ec_chardev.c | 3 +-
> drivers/platform/chrome/cros_ec_debugfs.c | 3 +-
> drivers/platform/chrome/cros_ec_i2c.c | 4 +-
> drivers/platform/chrome/cros_ec_ishtp.c | 5 +-
> drivers/platform/chrome/cros_ec_lightbar.c | 3 +-
> drivers/platform/chrome/cros_ec_lpc.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 | 308 -----------------
> .../{mfd => platform_data}/cros_ec_commands.h | 0
> include/linux/platform_data/cros_ec_proto.h | 317 ++++++++++++++++++
> sound/soc/codecs/cros_ec_codec.c | 4 +-
> 35 files changed, 383 insertions(+), 355 deletions(-)
> rename include/linux/{mfd => platform_data}/cros_ec_commands.h (100%)
> create mode 100644 include/linux/platform_data/cros_ec_proto.h
For my own reference:
Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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