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pinctrl: pinctrl_stm32: Use GPIOF_UNKNOWN to indicate not mapped pins

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GPIOF_UNKNOWN becomes a valid pin muxing information to indicate
that a pin is not mapped.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrice Chotard 2022-04-22 09:38:30 +02:00
parent 4382e55c42
commit 234b03f3a9
1 changed files with 0 additions and 2 deletions
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2
drivers/pinctrl/pinctrl_stm32.c
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@ -220,8 +220,6 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev,
switch (mode) {
case GPIOF_UNKNOWN:
/* should never happen */
return -EINVAL;
case GPIOF_UNUSED:
snprintf(buf, size, "%s", pinmux_mode[mode]);
break;