From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/pinctrl/intel/pinctrl-baytrail.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index 969137c4cb0659fc66bf461bcbcdc60fb2d0dcb6..6eb649f1ffd6e09c0a8c99704eb165dac58d9736 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -1045,7 +1045,7 @@ static int byt_gpio_get(struct gpio_chip *chip, unsigned int offset)
return !!(val & BYT_LEVEL);
}
-static void byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+static int byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
{
struct intel_pinctrl *vg = gpiochip_get_data(chip);
void __iomem *reg;
@@ -1053,7 +1053,7 @@ static void byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
if (!reg)
- return;
+ return -EINVAL;
guard(raw_spinlock_irqsave)(&byt_lock);
@@ -1062,6 +1062,8 @@ static void byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
writel(old_val | BYT_LEVEL, reg);
else
writel(old_val & ~BYT_LEVEL, reg);
+
+ return 0;
}
static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
@@ -1229,7 +1231,7 @@ static const struct gpio_chip byt_gpio_chip = {
.direction_input = byt_gpio_direction_input,
.direction_output = byt_gpio_direction_output,
.get = byt_gpio_get,
- .set = byt_gpio_set,
+ .set_rv = byt_gpio_set,
.set_config = gpiochip_generic_config,
.dbg_show = byt_gpio_dbg_show,
};
--
2.48.1