Am Dienstag, 9. Juni 2015, 13:01:16 schrieb Masahiro Yamada: > Currently, pinctrl_register() just returns NULL on error, so the > callers can not know the exact reason of the failure. > > Some of the pinctrl drivers return -EINVAL, some -ENODEV, and some > -ENOMEM on error of pinctrl_register(), although the error code > might be different from the real cause of the error. > > This commit reworks pinctrl_register() to return the appropriate > error code and modifies all of the pinctrl drivers to use IS_ERR() > for the error checking and PTR_ERR() for getting the error code. > > Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com> > --- > for > drivers/pinctrl/pinctrl-rockchip.c | 4 ++-- Acked-by: Heiko Stuebner <heiko at sntech.de>
