linux-kernel - Re: [PATCH v3 17/23] mfd: add s2dos series core driver

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Message-ID: <32d31b32-3e80-4c18-9af2-18a43a00032c@kernel.org>
Date: Thu, 20 Jun 2024 18:07:00 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Dzmitry Sankouski <dsankouski@...il.com>,
 Sebastian Reichel <sre@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>,
 Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Dmitry Torokhov <dmitry.torokhov@...il.com>, Pavel Machek <pavel@....cz>,
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Uwe Kleine-König <ukleinek@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>,
 Chanwoo Choi <cw00.choi@...sung.com>, phone-devel@...r.kernel.org
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-input@...r.kernel.org, linux-leds@...r.kernel.org,
 linux-pwm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v3 17/23] mfd: add s2dos series core driver

On 18/06/2024 15:59, Dzmitry Sankouski wrote:
> S2DOS05 is a panel/touchscreen PMIC, often found in
> Samsung phones. We define 2 sub-devices for which drivers will
> be added in subsequent patches.
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@...il.com>
> ---
>  MAINTAINERS                            |   1 +
>  drivers/mfd/Kconfig                    |  13 +++
>  drivers/mfd/Makefile                   |   2 +-
>  drivers/mfd/s2dos-core.c               | 141 +++++++++++++++++++++++++++++++++
>  include/linux/mfd/samsung/s2dos-core.h |  21 +++++
>  include/linux/mfd/samsung/s2dos05.h    | 115 +++++++++++++++++++++++++++
>  6 files changed, 292 insertions(+), 1 deletion(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f3c245d432d9..b53462684a30 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -19908,6 +19908,7 @@ F:	Documentation/devicetree/bindings/regulator/samsung,s2dos*.yaml
>  F:	Documentation/devicetree/bindings/regulator/samsung,s2m*.yaml
>  F:	Documentation/devicetree/bindings/regulator/samsung,s5m*.yaml
>  F:	drivers/clk/clk-s2mps11.c
> +F:	drivers/mfd/s2dos*.c
>  F:	drivers/mfd/sec*.c
>  F:	drivers/regulator/s2m*.c
>  F:	drivers/regulator/s5m*.c
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index c4eb8ff2dcad..517d8778d7a8 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1278,6 +1278,19 @@ config MFD_RN5T618
>  	  additional drivers must be enabled in order to use the
>  	  functionality of the device.
>  
> +config MFD_S2DOS_CORE
> +	tristate "Samsung Electronics PMIC Series Support"

Nope, that's a strong NAK.

No need for one more clone of Samsung PMIC driver.


Best regards,
Krzysztof