On Mon, Jan 15, 2024 at 09:20:46AM +0100, Javier Martinez Canillas wrote: > Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> writes: ... > > +typedef int (*hx8357_init)(struct lcd_device *); > > This kind of typedef usage is frowned upon in the Linux coding style [0] > (per my understanding at least) and indeed in my opinion it makes harder > to grep. > > [0] https://www.kernel.org/doc/Documentation/process/coding-style.rst Thanks for pointing this out. However, this piece does _not_ clarify typedef:s for function pointers which I personally find a good to have. ... > > - ret = ((int (*)(struct lcd_device *))match->data)(lcdev); > > This is what I mean, before it was clear what was stored in match->data. > But after you changes, what is returned by the device_get_match_data() > function is opaque and you need to look at the typedef hx8357_init to > figure that out. The above is so ugly in my opinion, that justifies using typedef:s even if you are quite skeptical about them. ... > No strong opinion though and I see other drivers doing the same (but no > other driver in drivers/video/backlight). > > Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> Thank you for the review! -- With Best Regards, Andy Shevchenko