Hi Kieran, On 08/09/2017 12:29 PM, Kieran Bingham wrote: > Hi Javier, > > Thankyou for the patch > You are welcome. > On 09/08/17 10:37, Javier Martinez Canillas wrote: >> The I2C core always reports a MODALIAS of the form i2c:<foo> even if the >> device was registered via OF, and the driver is only exporting the OF ID >> table entries as module aliases. >> >> So if the driver is built as module, autoload won't work since udev/kmod >> won't be able to match the registered OF device with its driver module. > > Good catch, and perhaps I should have known better :D > > I've only worked on this driver as a built-in so far :-) #BadExcuses > A better excuse I think is that after all these years, one would had thought that the I2C OF modalias issue would had been finally fixed, but not yet :) >> Before this patch: >> >> $ modinfo drivers/media/i2c/adv748x/adv748x.ko | grep alias >> alias: of:N*T*Cadi,adv7482C* >> alias: of:N*T*Cadi,adv7482 >> alias: of:N*T*Cadi,adv7481C* >> alias: of:N*T*Cadi,adv7481 >> >> After this patch: >> >> modinfo drivers/media/i2c/adv748x/adv748x.ko | grep alias >> alias: of:N*T*Cadi,adv7482C* >> alias: of:N*T*Cadi,adv7482 >> alias: of:N*T*Cadi,adv7481C* >> alias: of:N*T*Cadi,adv7481 >> alias: i2c:adv7482 >> alias: i2c:adv7481 >> >> Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> > > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > Thanks! Best regards, -- Javier Martinez Canillas Software Engineer - Desktop Hardware Enablement Red Hat
