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path: root/drivers/pinctrl/pinctrl-stmfx.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-stmfx.c')
-rw-r--r--drivers/pinctrl/pinctrl-stmfx.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index 16723797fa7c..60100b45f5e5 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -134,10 +134,14 @@ static int stmfx_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
ret = regmap_read(pctl->stmfx->map, reg, &val);
/*
* On stmfx, gpio pins direction is (0)input, (1)output.
- * .get_direction returns 0=out, 1=in
*/
+ if (ret)
+ return ret;
- return ret ? ret : !(val & mask);
+ if (val & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int stmfx_gpio_direction_input(struct gpio_chip *gc, unsigned int offset)
@@ -223,6 +227,13 @@ static int stmfx_pinconf_get(struct pinctrl_dev *pctldev,
dir = stmfx_gpio_get_direction(&pctl->gpio_chip, pin);
if (dir < 0)
return dir;
+
+ /*
+ * Currently the gpiolib IN is 1 and OUT is 0 but let's not count
+ * on it just to be on the safe side also in the future :)
+ */
+ dir = (dir == GPIO_LINE_DIRECTION_IN) ? 1 : 0;
+
type = stmfx_pinconf_get_type(pctl, pin);
if (type < 0)
return type;
@@ -360,7 +371,7 @@ static void stmfx_pinconf_dbg_show(struct pinctrl_dev *pctldev,
if (val < 0)
return;
- if (!dir) {
+ if (dir == GPIO_LINE_DIRECTION_OUT) {
seq_printf(s, "output %s ", val ? "high" : "low");
if (type)
seq_printf(s, "open drain %s internal pull-up ",