On Tue, Aug 27, 2019 at 11:39 AM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > We need to unlock and enable IRQs before we return on this error path. Wow, how could we have missed that?!? Thanks! > Fixes: 8a0cc47ccc7c ("pinctrl: sh-pfc: Rollback to mux if required when the gpio is freed") > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Linus: As we're already past rc6, I don't plan to send another pull request for v5.4. Hence can you please take this one directly? Thanks! > --- a/drivers/pinctrl/sh-pfc/pinctrl.c > +++ b/drivers/pinctrl/sh-pfc/pinctrl.c > @@ -361,8 +361,10 @@ static int sh_pfc_func_set_mux(struct pinctrl_dev *pctldev, unsigned selector, > * This driver cannot manage both gpio and mux when the gpio > * pin is already enabled. So, this function fails. > */ > - if (cfg->gpio_enabled) > - return -EBUSY; > + if (cfg->gpio_enabled) { > + ret = -EBUSY; > + goto done; > + } > > ret = sh_pfc_config_mux(pfc, grp->mux[i], PINMUX_TYPE_FUNCTION); > if (ret < 0) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds