On Mon, Sep 28, 2020 at 06:43:26PM +0800, Biwen Li wrote: > From: Reinhard Pfau <pfau@xxxxxxxx> > > 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@xxxxxxxx> > Signed-off-by: Biwen Li <biwen.li@xxxxxxx> > --- ... > + > + 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
