[PATCH] pinctrl: stmfx: Fix comparison of unsigned expression warnings

[Amelie Delaunay <amelie.delaunay@xxxxxx>]

This patch fixes the following warnings:

drivers/pinctrl/pinctrl-stmfx.c:225:5-8: WARNING: Unsigned expression
compared with zero: dir < 0
drivers/pinctrl/pinctrl-stmfx.c:231:5-9: WARNING: Unsigned expression
compared with zero: pupd < 0
drivers/pinctrl/pinctrl-stmfx.c:228:5-9: WARNING: Unsigned expression
compared with zero: type < 0

Fixes: 1490d9f841b1 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver")
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>
Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
---
 drivers/pinctrl/pinctrl-stmfx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index bcd8126..3bd5d6f 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -213,7 +213,7 @@ static int stmfx_pinconf_get(struct pinctrl_dev *pctldev,
 	struct stmfx_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
 	u32 param = pinconf_to_config_param(*config);
 	struct pinctrl_gpio_range *range;
-	u32 dir, type, pupd;
+	int dir, type, pupd;
 	u32 arg = 0;
 	int ret;
 
-- 
2.7.4