linux-kernel - Re: [PATCH] hwmon: add support for SMSC EMC2305/03/02/01 fan controller

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Date:   Tue, 29 Sep 2020 14:49:37 -0500
From:   Rob Herring <robh@...nel.org>
To:     Biwen Li <biwen.li@....nxp.com>
Cc:     jdelvare@...e.com, linux@...ck-us.net, mark.rutland@....com,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Reinhard Pfau <pfau@...ys.de>,
        Biwen Li <biwen.li@....com>
Subject: Re: [PATCH] hwmon: add support for SMSC EMC2305/03/02/01 fan
 controller

On Mon, Sep 28, 2020 at 06:43:26PM +0800, Biwen Li wrote:
> From: Reinhard Pfau <pfau@...ys.de>
> 
> Add support for SMSC EMC2305, EMC2303, EMC2302, EMC2301 fan controller
> chips.
> The driver primary supports the EMC2305 chip which provides RPM-based
> PWM control and monitoring for up to 5 fans.
> 
> According to the SMSC data sheets the EMC2303, EMC2302 and EMC2301 chips
> have basically the same functionality and register layout, but support
> less fans and (in case of EMC2302 and EMC2301) less possible I2C addresses.
> The driver supports them, too.
> 
> The driver supports configuration via devicetree. This can also be used
> to restrict the fans exposed via sysfs (see doc for details).
> 
> Signed-off-by: Reinhard Pfau <pfau@...ys.de>
> Signed-off-by: Biwen Li <biwen.li@....com>
> ---
>  .../devicetree/bindings/hwmon/emc2305.txt     |  33 +

Split to a separate patch and should be in DT schema format. 
checkpatch.pl will tell you both of these things.

>  Documentation/hwmon/emc2305.rst               |  34 +
>  MAINTAINERS                                   |   8 +
>  drivers/hwmon/Kconfig                         |  10 +
>  drivers/hwmon/Makefile                        |   1 +
>  drivers/hwmon/emc2305.c                       | 689 ++++++++++++++++++
>  6 files changed, 775 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/emc2305.txt
>  create mode 100644 Documentation/hwmon/emc2305.rst
>  create mode 100644 drivers/hwmon/emc2305.c