[PATCH 02/15] gpio: bcm-kona: use new line value setter callbacks

[Bartosz Golaszewski <brgl@xxxxxxxx>]

From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

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@xxxxxxxxxx>
---
 drivers/gpio/gpio-bcm-kona.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index a7390b1f1173..17c287dc7471 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -149,7 +149,8 @@ static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio)
 	return val ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT;
 }
 
-static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
+static int bcm_kona_gpio_set(struct gpio_chip *chip, unsigned int gpio,
+			     int value)
 {
 	struct bcm_kona_gpio *kona_gpio;
 	void __iomem *reg_base;
@@ -164,13 +165,15 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
 
 	/* this function only applies to output pin */
 	if (bcm_kona_gpio_get_dir(chip, gpio) == GPIO_LINE_DIRECTION_IN)
-		return;
+		return 0;
 
 	reg_offset = value ? GPIO_OUT_SET(bank_id) : GPIO_OUT_CLEAR(bank_id);
 
 	val = readl(reg_base + reg_offset);
 	val |= BIT(bit);
 	writel(val, reg_base + reg_offset);
+
+	return 0;
 }
 
 static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
@@ -336,7 +339,7 @@ static const struct gpio_chip template_chip = {
 	.direction_input = bcm_kona_gpio_direction_input,
 	.get = bcm_kona_gpio_get,
 	.direction_output = bcm_kona_gpio_direction_output,
-	.set = bcm_kona_gpio_set,
+	.set_rv = bcm_kona_gpio_set,
 	.set_config = bcm_kona_gpio_set_config,
 	.to_irq = bcm_kona_gpio_to_irq,
 	.base = 0,

-- 
2.45.2