diff options
Diffstat (limited to 'drivers/pinctrl/uniphier/pinctrl-uniphier-core.c')
| -rw-r--r-- | drivers/pinctrl/uniphier/pinctrl-uniphier-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c index fc8bbd292b..0ad15abb4a 100644 --- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c +++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c @@ -91,7 +91,7 @@ static void uniphier_pinconf_input_enable(struct udevice *dev, unsigned pin) } static void uniphier_pinmux_set_one(struct udevice *dev, unsigned pin, - unsigned muxval) + int muxval) { struct uniphier_pinctrl_priv *priv = dev_get_priv(dev); unsigned mux_bits, reg_stride, reg, reg_end, shift, mask; @@ -101,6 +101,9 @@ static void uniphier_pinmux_set_one(struct udevice *dev, unsigned pin, /* some pins need input-enabling */ uniphier_pinconf_input_enable(dev, pin); + if (muxval < 0) + return; /* dedicated pin; nothing to do for pin-mux */ + if (priv->socdata->caps & UNIPHIER_PINCTRL_CAPS_DBGMUX_SEPARATE) { /* * Mode offset bit |
