> BlueField-3 has 56 GPIOs but the user is only allowed to change some > of them into GPIO mode. Use valid_mask to make it impossible to alter > the rest of the GPIOs. > > Signed-off-by: Asmaa Mnebhi <asmaa@xxxxxxxxxx> Excellent work Asmaa, Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Thank you very much Linus! Andy added few comments which I will address shortly in v4.