On 2025-04-30 09:51:03+0800, Sung-Chi Li wrote: > On Tue, Apr 29, 2025 at 10:45:56PM +0200, Thomas Weißschuh wrote: > > On 2025-04-29 16:14:23+0800, Sung-Chi Li via B4 Relay wrote: > > > From: Sung-Chi Li <lschyi@xxxxxxxxxxxx> > > > > > > Register fans connected under EC as thermal cooling devices as well, so > > > these fans can then work with the thermal framework. > > > > > > During the driver probing phase, we will also try to register each fan > > > as a thermal cooling device based on previous probe result (whether the > > > there are fans connected on that channel, and whether EC supports fan > > > control). The basic get max state, get current state, and set current > > > state methods are then implemented as well. > > > > There is also HWMON_C_REGISTER_TZ, however it depends on OF. > > But this patch looks very generic, so maybe it makes sense to implement > > it in the hwmon core. > > > > Hi, the HWMON_C_REGISTER_TZ is for registering a thermal sensor, and here I > registered it as thermal cooling devices, so they are different. I followed > other hwmon drivers: > > - gpio-fan.c > - aspeed-pwm-tacho.c > - max6650.c > - qnap-mcu-hwmon.c > - ... Indeed, sorry. > . These hwmon drivers also manually registered other cooling devices, and that > makes sense to me, so I think it is good to just register cooling devices rather > than make big changes to hwmon core. The implementation does look like a lot of boilerplate. If Guenter doesn't chime in, let's stick with the current approach. > > > Signed-off-by: Sung-Chi Li <lschyi@xxxxxxxxxxxx> > > > --- > > > Documentation/hwmon/cros_ec_hwmon.rst | 2 + > > > drivers/hwmon/cros_ec_hwmon.c | 72 +++++++++++++++++++++++++++++++++++ > > > 2 files changed, 74 insertions(+) > > > > <snip>