On Fri, Aug 26, 2022 at 5:08 PM Christophe Leroy <christophe.leroy@xxxxxxxxxx> wrote: > Le 26/08/2022 à 15:49, Linus Walleij a écrit : > > On Thu, Aug 25, 2022 at 4:00 PM Christophe Leroy > > <christophe.leroy@xxxxxxxxxx> wrote: > > > >>> Christophe? Will you take a stab at it? > >> > >> Which patch should I write ? > > > > One that removes CONFIG_ARCH_HAS_NR_GPIO entirely, then > > allocate bases for new GPIO chips from 0 and upward instead. > > And then see what happens. > > > > Ok, I can give it a try. Nice! > But what do I do with: > > drivers/gpio/gpio-aggregator.c: bitmap = bitmap_alloc(ARCH_NR_GPIOS, > GFP_KERNEL); That's just used locally in that driver to loop over the arguments to the aggregator (from the file in sysfs). I would set some arbitrary root like #define AGGREGATOR_MAX_GPIOS 512 and just search/replace with that. Yours, Linus Walleij
