On Wed, Oct 28, 2020 at 9:24 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > On Wed, Oct 28, 2020 at 8:41 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > > On Tue, Oct 27, 2020 at 2:54 PM Vincent Whitchurch > > <vincent.whitchurch@xxxxxxxx> wrote: > > ... > > > > +#include <linux/of.h> > > > > Please keep the includes ordered alphabetically. > > Besides the fact that that is a wrong header to be included. > mod_devicetable.h is the correct one. > (See also below) > > ... > > > > +#ifdef CONFIG_OF > > > +static const struct of_device_id gpio_mockup_of_match[] = { > > > + { .compatible = "gpio-mockup", }, > > > + {}, > > > +}; > > > +MODULE_DEVICE_TABLE(of, gpio_mockup_of_match); > > > +#endif > > > > You don't need this ifdef - of_match_ptr() will evaluate to NULL if > > CONFIG_OF is disabled and the compiler will optimize this struct out. > > It's not so. If you drop ugly ifdeffery (and I vote for that, see also > above) the of_match_ptr() must be dropped as well. > Otherwise the compiler will issue the warning. So it is either all or none. > > -- > With Best Regards, > Andy Shevchenko Makes sense, I'll remove this from my tree for now then. Vincent: please send another iteration. Bartosz