diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c index 211ad32cc0d8..49b2177af17b 100644 --- a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c +++ b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c @@ -800,6 +800,14 @@ static const struct pinctrl_pin_desc wpcm450_pins[] = { WPCM450_PIN(124), WPCM450_PIN(125), WPCM450_PIN(126), WPCM450_PIN(127), }; +/* Helper function to update MFSEL field according to the selected function */ +static void wpcm450_update_mfsel(struct regmap *gcr_regmap, int reg, int bit, int fn, int fn_selected) +{ + bool value = (fn == fn_selected); + + regmap_update_bits(gcr_regmap, reg, BIT(bit), value ? BIT(bit) : 0); +} + /* Enable mode in pin group */ static void wpcm450_setfunc(struct regmap *gcr_regmap, const unsigned int *pin, int npins, int func) @@ -811,13 +819,11 @@ static void wpcm450_setfunc(struct regmap *gcr_regmap, const unsigned int *pin, cfg = &pincfg[pin[i]]; if (func == fn_gpio || cfg->fn0 == func || cfg->fn1 == func) { if (cfg->reg0) - regmap_update_bits(gcr_regmap, cfg->reg0, - BIT(cfg->bit0), - (cfg->fn0 == func) ? BIT(cfg->bit0) : 0); + wpcm450_update_mfsel(gcr_regmap, cfg->reg0, + cfg->bit0, cfg->fn0, func); if (cfg->reg1) - regmap_update_bits(gcr_regmap, cfg->reg1, - BIT(cfg->bit1), - (cfg->fn1 == func) ? BIT(cfg->bit1) : 0); + wpcm450_update_mfsel(gcr_regmap, cfg->reg1, + cfg->bit1, cfg->fn1, func); } } } |