linux-kernel - Re: [PATCHv4 07/13] mfd: rk808: split into core and i2c

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Date:   Mon, 31 Oct 2022 13:56:26 +0000
From:   Lee Jones <lee@...nel.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCHv4 07/13] mfd: rk808: split into core and i2c

On Thu, 20 Oct 2022, Sebastian Reichel wrote:

> Split rk808 into a core and an i2c part in preperation for
> SPI support.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  drivers/clk/Kconfig                   |   2 +-
>  drivers/input/misc/Kconfig            |   2 +-
>  drivers/mfd/Kconfig                   |   7 +-
>  drivers/mfd/Makefile                  |   3 +-
>  drivers/mfd/{rk808.c => rk8xx-core.c} | 210 ++++----------------------
>  drivers/mfd/rk8xx-i2c.c               | 209 +++++++++++++++++++++++++
>  drivers/pinctrl/Kconfig               |   2 +-
>  drivers/power/supply/Kconfig          |   2 +-
>  drivers/regulator/Kconfig             |   2 +-
>  drivers/rtc/Kconfig                   |   2 +-
>  include/linux/mfd/rk808.h             |   6 +
>  sound/soc/codecs/Kconfig              |   2 +-
>  12 files changed, 263 insertions(+), 186 deletions(-)
>  rename drivers/mfd/{rk808.c => rk8xx-core.c} (75%)
>  create mode 100644 drivers/mfd/rk8xx-i2c.c
> 
> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
> index d79905f3e174..8448d616b9aa 100644
> --- a/drivers/clk/Kconfig
> +++ b/drivers/clk/Kconfig
> @@ -83,7 +83,7 @@ config COMMON_CLK_MAX9485
>  
>  config COMMON_CLK_RK808
>  	tristate "Clock driver for RK805/RK808/RK809/RK817/RK818"
> -	depends on MFD_RK808
> +	depends on MFD_RK8XX
>  	help
>  	  This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock.
>  	  These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
> index 9f088900f863..1899afeaec47 100644
> --- a/drivers/input/misc/Kconfig
> +++ b/drivers/input/misc/Kconfig
> @@ -588,7 +588,7 @@ config INPUT_PWM_VIBRA
>  
>  config INPUT_RK805_PWRKEY
>  	tristate "Rockchip RK805 PMIC power key support"
> -	depends on MFD_RK808
> +	depends on MFD_RK8XX
>  	help
>  	  Select this option to enable power key driver for RK805.
>  
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 8b93856de432..8e3de443cc3d 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1201,12 +1201,17 @@ config MFD_RC5T583
>  	  Additional drivers must be enabled in order to use the
>  	  different functionality of the device.
>  
> -config MFD_RK808
> +config MFD_RK8XX
> +	bool
> +	select MFD_CORE
> +
> +config MFD_RK8XX_I2C
>  	tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip"
>  	depends on I2C && OF
>  	select MFD_CORE
>  	select REGMAP_I2C
>  	select REGMAP_IRQ
> +	select MFD_RK8XX
>  	help
>  	  If you say yes here you get support for the RK805, RK808, RK809,
>  	  RK817 and RK818 Power Management chips.
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 7ed3ef4a698c..edf84e870f98 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -223,7 +223,8 @@ obj-$(CONFIG_MFD_PALMAS)	+= palmas.o
>  obj-$(CONFIG_MFD_VIPERBOARD)    += viperboard.o
>  obj-$(CONFIG_MFD_NTXEC)		+= ntxec.o
>  obj-$(CONFIG_MFD_RC5T583)	+= rc5t583.o rc5t583-irq.o
> -obj-$(CONFIG_MFD_RK808)		+= rk808.o
> +obj-$(CONFIG_MFD_RK8XX)		+= rk8xx-core.o
> +obj-$(CONFIG_MFD_RK8XX_I2C)	+= rk8xx-i2c.o
>  obj-$(CONFIG_MFD_RN5T618)	+= rn5t618.o
>  obj-$(CONFIG_MFD_SEC_CORE)	+= sec-core.o sec-irq.o
>  obj-$(CONFIG_MFD_SYSCON)	+= syscon.o
> diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk8xx-core.c
> similarity index 75%
> rename from drivers/mfd/rk808.c
> rename to drivers/mfd/rk8xx-core.c
> index b154ca96d812..098506972710 100644
> --- a/drivers/mfd/rk808.c
> +++ b/drivers/mfd/rk8xx-core.c
> @@ -3,16 +3,9 @@
>   * MFD core driver for Rockchip RK808/RK818
>   *
>   * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
> - *
> - * Author: Chris Zhong <zyw@...k-chips.com>
> - * Author: Zhang Qing <zhangqing@...k-chips.com>
> - *
>   * Copyright (C) 2016 PHYTEC Messtechnik GmbH
> - *
> - * Author: Wadim Egorov <w.egorov@...tec.de>
>   */

The patch and the premise behind it look reasonable.

What's the reason for taking out the Author tags?

-- 
Lee Jones [李琼斯]