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pinctrl: pinctrl_stm32: Fix warnings when compiling with W=1

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This patch solves the following warnings:

warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
    if (*idx < 0)
             ^
drivers/pinctrl/pinctrl_stm32.c: At top level:
warning: no previous prototype for 'stm32_pinctrl_probe' [-Wmissing-prototypes]
 int stm32_pinctrl_probe(struct udevice *dev)
     ^~~~~~~~~~~~~~~~~~~

Signed-off-by: Patrice CHOTARD <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2019-06-21 15:26:52 +02:00
parent 588448517f
commit 91ca91e855
1 changed files with 2 additions and 2 deletions
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4
drivers/pinctrl/pinctrl_stm32.c
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@ -136,7 +136,7 @@ static struct udevice *stm32_pinctrl_get_gpio_dev(struct udevice *dev,
*/
*idx = stm32_offset_to_index(gpio_bank->gpio_dev,
selector - pin_count);
if (*idx < 0)
if (IS_ERR_VALUE(*idx))
return NULL;
return gpio_bank->gpio_dev;
@ -215,7 +215,7 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev,
#endif
int stm32_pinctrl_probe(struct udevice *dev)
static int stm32_pinctrl_probe(struct udevice *dev)
{
struct stm32_pinctrl_priv *priv = dev_get_priv(dev);
int ret;