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Date: Thu, 20 Jun 2019 19:44:04 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: Enric Balletbo i Serra <enric.balletbo@...labora.com>,
linux-kernel@...r.kernel.org
Cc: gwendal@...omium.org, Guenter Roeck <groeck@...omium.org>,
Benson Leung <bleung@...omium.org>,
Lee Jones <lee.jones@...aro.org>, kernel@...labora.com,
dtor@...omium.org,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Thierry Reding <thierry.reding@...il.com>,
Mark Brown <broonie@...nel.org>,
Wolfram Sang <wsa@...-dreams.de>,
Neil Armstrong <narmstrong@...libre.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Banajit Goswami <bgoswami@...eaurora.org>,
alsa-devel@...a-project.org, Arnd Bergmann <arnd@...db.de>,
Patrick Lai <plai@...eaurora.org>,
Alessandro Zummo <a.zummo@...ertech.it>,
Marco Felsch <m.felsch@...gutronix.de>,
Jean Delvare <jdelvare@...e.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
linux-i2c@...r.kernel.org, linux-rtc@...r.kernel.org,
Stefan Agner <stefan@...er.ch>, Vignesh R <vigneshr@...com>,
Sebastian Reichel <sre@...nel.org>,
Florian Fainelli <f.fainelli@...il.com>,
Juergen Fitschen <jfi@...-embedded.de>,
Jonathan Cameron <jic23@...nel.org>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
linux-media@...r.kernel.org, linux-pwm@...r.kernel.org,
Ettore Chimenti <ek5.chimenti@...il.com>,
Elie Morisse <syniurge@...il.com>, linux-pm@...r.kernel.org,
linux-input@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
linux-iio@...r.kernel.org,
Steve Longerbeam <slongerbeam@...il.com>,
MyungJoo Ham <myungjoo.ham@...sung.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Jiri Kosina <jikos@...nel.org>
Subject: Re: [PATCH v2 02/10] mfd / platform: cros_ec: Move cros-ec core
driver out from MFD
Hi Enric,
For extcon parth,
Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
Best Regards,
Chanwoo Choi
On 19. 6. 15. 오전 1:36, Enric Balletbo i Serra wrote:
> Now, the ChromeOS EC core driver has nothing related to an MFD device, so
> move that driver from the MFD subsystem to the platform/chrome subsystem.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> Acked-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Acked-by: Thierry Reding <thierry.reding@...il.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>
> ---
>
> Changes in v2: None
>
> drivers/extcon/Kconfig | 2 +-
> drivers/hid/Kconfig | 2 +-
> drivers/i2c/busses/Kconfig | 2 +-
> drivers/iio/common/cros_ec_sensors/Kconfig | 2 +-
> drivers/input/keyboard/Kconfig | 2 +-
> drivers/media/platform/Kconfig | 3 +--
> drivers/mfd/Kconfig | 14 +-------------
> drivers/mfd/Makefile | 2 --
> drivers/platform/chrome/Kconfig | 21 +++++++++++++++++----
> drivers/platform/chrome/Makefile | 1 +
> drivers/{mfd => platform/chrome}/cros_ec.c | 0
> drivers/power/supply/Kconfig | 2 +-
> drivers/pwm/Kconfig | 2 +-
> drivers/rtc/Kconfig | 2 +-
> sound/soc/qcom/Kconfig | 2 +-
> 15 files changed, 29 insertions(+), 30 deletions(-)
> rename drivers/{mfd => platform/chrome}/cros_ec.c (100%)
>
> diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
> index de06fafb52ff..5b0996b10d40 100644
> --- a/drivers/extcon/Kconfig
> +++ b/drivers/extcon/Kconfig
> @@ -168,7 +168,7 @@ config EXTCON_USB_GPIO
>
> config EXTCON_USBC_CROS_EC
> tristate "ChromeOS Embedded Controller EXTCON support"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> help
> Say Y here to enable USB Type C cable detection extcon support when
> using Chrome OS EC based USB Type-C ports.
> diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
> index c3c390ca3690..b8022c158cb7 100644
> --- a/drivers/hid/Kconfig
> +++ b/drivers/hid/Kconfig
> @@ -375,7 +375,7 @@ config HOLTEK_FF
>
> config HID_GOOGLE_HAMMER
> tristate "Google Hammer Keyboard"
> - depends on USB_HID && LEDS_CLASS && MFD_CROS_EC
> + depends on USB_HID && LEDS_CLASS && CROS_EC
> ---help---
> Say Y here if you have a Google Hammer device.
>
> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
> index 26186439db6b..f2c2ab7eeffa 100644
> --- a/drivers/i2c/busses/Kconfig
> +++ b/drivers/i2c/busses/Kconfig
> @@ -1335,7 +1335,7 @@ config I2C_SIBYTE
>
> config I2C_CROS_EC_TUNNEL
> tristate "ChromeOS EC tunnel I2C bus"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> help
> If you say yes here you get an I2C bus that will tunnel i2c commands
> through to the other side of the ChromeOS EC to the i2c bus
> diff --git a/drivers/iio/common/cros_ec_sensors/Kconfig b/drivers/iio/common/cros_ec_sensors/Kconfig
> index 135f6825903f..c7d5b140491f 100644
> --- a/drivers/iio/common/cros_ec_sensors/Kconfig
> +++ b/drivers/iio/common/cros_ec_sensors/Kconfig
> @@ -3,7 +3,7 @@
> #
> config IIO_CROS_EC_SENSORS_CORE
> tristate "ChromeOS EC Sensors Core"
> - depends on SYSFS && MFD_CROS_EC
> + depends on SYSFS && CROS_EC
> select IIO_BUFFER
> select IIO_TRIGGERED_BUFFER
> help
> diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
> index 82398827b64f..fb843b56d439 100644
> --- a/drivers/input/keyboard/Kconfig
> +++ b/drivers/input/keyboard/Kconfig
> @@ -728,7 +728,7 @@ config KEYBOARD_W90P910
> config KEYBOARD_CROS_EC
> tristate "ChromeOS EC keyboard"
> select INPUT_MATRIXKMAP
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> help
> Say Y here to enable the matrix keyboard used by ChromeOS devices
> and implemented on the ChromeOS EC. You must enable one bus option
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index 011c1c2fcf19..9883526c5ff0 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -557,10 +557,9 @@ if CEC_PLATFORM_DRIVERS
>
> config VIDEO_CROS_EC_CEC
> tristate "ChromeOS EC CEC driver"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> select CEC_CORE
> select CEC_NOTIFIER
> - select CHROME_PLATFORMS
> select CROS_EC_PROTO
> help
> If you say yes here you will get support for the
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 294d9567cc71..5bcf0af6471d 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -210,21 +210,9 @@ config MFD_AXP20X_RSB
> components like regulators or the PEK (Power Enable Key) under the
> corresponding menus.
>
> -config MFD_CROS_EC
> - tristate "ChromeOS Embedded Controller"
> - select MFD_CORE
> - select CHROME_PLATFORMS
> - select CROS_EC_PROTO
> - depends on X86 || ARM || ARM64 || COMPILE_TEST
> - help
> - If you say Y here you get support for the ChromeOS Embedded
> - Controller (EC) providing keyboard, battery and power services.
> - You also need to enable the driver for the bus you are using. The
> - protocol for talking to the EC is defined by the bus driver.
> -
> config MFD_CROS_EC_CHARDEV
> tristate "Chrome OS Embedded Controller userspace device interface"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> ---help---
> This driver adds support to talk with the ChromeOS EC from userspace.
>
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 52b1a90ff515..32327dc6bb45 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -13,8 +13,6 @@ obj-$(CONFIG_MFD_ASIC3) += asic3.o tmio_core.o
> obj-$(CONFIG_ARCH_BCM2835) += bcm2835-pm.o
> obj-$(CONFIG_MFD_BCM590XX) += bcm590xx.o
> obj-$(CONFIG_MFD_BD9571MWV) += bd9571mwv.o
> -cros_ec_core-objs := cros_ec.o
> -obj-$(CONFIG_MFD_CROS_EC) += cros_ec_core.o
> obj-$(CONFIG_MFD_CROS_EC_CHARDEV) += cros_ec_dev.o
> obj-$(CONFIG_MFD_EXYNOS_LPASS) += exynos-lpass.o
>
> diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
> index 997317d2f2b9..1e7a10500b3f 100644
> --- a/drivers/platform/chrome/Kconfig
> +++ b/drivers/platform/chrome/Kconfig
> @@ -49,9 +49,22 @@ config CHROMEOS_TBMC
> To compile this driver as a module, choose M here: the
> module will be called chromeos_tbmc.
>
> +config CROS_EC
> + tristate "ChromeOS Embedded Controller"
> + select CROS_EC_PROTO
> + depends on X86 || ARM || ARM64 || COMPILE_TEST
> + help
> + If you say Y here you get support for the ChromeOS Embedded
> + Controller (EC) providing keyboard, battery and power services.
> + You also need to enable the driver for the bus you are using. The
> + protocol for talking to the EC is defined by the bus driver.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called cros_ec.
> +
> config CROS_EC_I2C
> tristate "ChromeOS Embedded Controller (I2C)"
> - depends on MFD_CROS_EC && I2C
> + depends on CROS_EC && I2C
>
> help
> If you say Y here, you get support for talking to the ChromeOS
> @@ -61,7 +74,7 @@ config CROS_EC_I2C
>
> config CROS_EC_RPMSG
> tristate "ChromeOS Embedded Controller (rpmsg)"
> - depends on MFD_CROS_EC && RPMSG && OF
> + depends on CROS_EC && RPMSG && OF
> help
> If you say Y here, you get support for talking to the ChromeOS EC
> through rpmsg. This uses a simple byte-level protocol with a
> @@ -73,7 +86,7 @@ config CROS_EC_RPMSG
>
> config CROS_EC_SPI
> tristate "ChromeOS Embedded Controller (SPI)"
> - depends on MFD_CROS_EC && SPI
> + depends on CROS_EC && SPI
>
> ---help---
> If you say Y here, you get support for talking to the ChromeOS EC
> @@ -83,7 +96,7 @@ config CROS_EC_SPI
>
> config CROS_EC_LPC
> tristate "ChromeOS Embedded Controller (LPC)"
> - depends on MFD_CROS_EC && ACPI && (X86 || COMPILE_TEST)
> + depends on CROS_EC && ACPI && (X86 || COMPILE_TEST)
> help
> If you say Y here, you get support for talking to the ChromeOS EC
> over an LPC bus. This uses a simple byte-level protocol with a
> diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile
> index 1b2f1dcfcd5c..f69e0be98bd6 100644
> --- a/drivers/platform/chrome/Makefile
> +++ b/drivers/platform/chrome/Makefile
> @@ -6,6 +6,7 @@ CFLAGS_cros_ec_trace.o:= -I$(src)
> obj-$(CONFIG_CHROMEOS_LAPTOP) += chromeos_laptop.o
> obj-$(CONFIG_CHROMEOS_PSTORE) += chromeos_pstore.o
> obj-$(CONFIG_CHROMEOS_TBMC) += chromeos_tbmc.o
> +obj-$(CONFIG_CROS_EC) += cros_ec.o
> obj-$(CONFIG_CROS_EC_I2C) += cros_ec_i2c.o
> obj-$(CONFIG_CROS_EC_RPMSG) += cros_ec_rpmsg.o
> obj-$(CONFIG_CROS_EC_SPI) += cros_ec_spi.o
> diff --git a/drivers/mfd/cros_ec.c b/drivers/platform/chrome/cros_ec.c
> similarity index 100%
> rename from drivers/mfd/cros_ec.c
> rename to drivers/platform/chrome/cros_ec.c
> diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
> index 26dacdab03cc..4c60cf22dbd7 100644
> --- a/drivers/power/supply/Kconfig
> +++ b/drivers/power/supply/Kconfig
> @@ -655,7 +655,7 @@ config CHARGER_RT9455
>
> config CHARGER_CROS_USBPD
> tristate "ChromeOS EC based USBPD charger"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> default n
> help
> Say Y here to enable ChromeOS EC based USBPD charger
> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> index 1311b54089be..a7edd9cc35eb 100644
> --- a/drivers/pwm/Kconfig
> +++ b/drivers/pwm/Kconfig
> @@ -144,7 +144,7 @@ config PWM_CRC
>
> config PWM_CROS_EC
> tristate "ChromeOS EC PWM driver"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> help
> PWM driver for exposing a PWM attached to the ChromeOS Embedded
> Controller.
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index 7b8e156dbf38..a4ed24b6ecdf 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -1264,7 +1264,7 @@ config RTC_DRV_ZYNQMP
>
> config RTC_DRV_CROS_EC
> tristate "Chrome OS EC RTC driver"
> - depends on MFD_CROS_EC
> + depends on CROS_EC
> help
> If you say yes here you will get support for the
> Chrome OS Embedded Controller's RTC.
> diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
> index b1764af858ba..34636f5b2cd5 100644
> --- a/sound/soc/qcom/Kconfig
> +++ b/sound/soc/qcom/Kconfig
> @@ -98,7 +98,7 @@ config SND_SOC_MSM8996
>
> config SND_SOC_SDM845
> tristate "SoC Machine driver for SDM845 boards"
> - depends on QCOM_APR && MFD_CROS_EC && I2C
> + depends on QCOM_APR && CROS_EC && I2C
> select SND_SOC_QDSP6
> select SND_SOC_QCOM_COMMON
> select SND_SOC_RT5663
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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