In preparation for the next patch, which makes the logic around
setting/resetting bits in MFSEL a little more complicated, move that
code to a new function
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
---
drivers/pinctrl/nuvoton/pinctrl-wpcm450.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c b/drivers/pinctrl/nuvoton/pinctrl-wpcm450.c
index 211ad32cc0d8f..49b2177af17b2 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);
}
}
}
--
2.35.1
