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SubjectRe: [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@gdsys.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@gdsys.de>
> Signed-off-by: Biwen Li <biwen.li@nxp.com>
> ---
...

> +
> + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
> + client->name, data,
> + data->groups);

New drivers must use "[devm_]hwmon_device_register_with_info" to register
with the hwmon subsystem.

Guenter

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