On Fri, Aug 02, 2019 at 10:04:09AM +0000, Schrempf Frieder wrote: > From: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> > > If CONFIG_GPIOLIB is not enabled, mctrl_gpio_init() and > mctrl_gpio_init_noauto() will currently return an error pointer with > -ENOSYS. As the mctrl GPIOs are usually optional, drivers need to > check for this condition to allow continue probing. > > To avoid the need for this check in each driver, we return NULL > instead, as all the mctrl_gpio_*() functions are skipped anyway. > We also adapt mctrl_gpio_to_gpiod() to be in line with this change. > > Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx> > Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Thanks Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
