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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-07-02 11:14:08 +0200
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-07-07 09:45:30 +0200
commit4ffdd9d8a37eaf4e25855e1038b9e1091401c252 (patch)
treeedd1cb75f4bec97df0c012b3e1cf47828c9cf8d3 /drivers/gpio
parentgpio: tpic2810: remove unneeded callbacks (diff)
downloadlinux-4ffdd9d8a37eaf4e25855e1038b9e1091401c252.tar.gz
linux-4ffdd9d8a37eaf4e25855e1038b9e1091401c252.zip
gpio: tpic2810: use new GPIO line value setter callbacks
struct gpio_chip now has callbacks for setting line values that return an integer, allowing to indicate failures. Convert the driver to using them. Link: https://lore.kernel.org/r/20250702-gpiochip-set-rv-gpio-round3-v1-7-0d23be74f71d@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tpic2810.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-tpic2810.c b/drivers/gpio/gpio-tpic2810.c
index e99725bd3d63..d5b8568ab061 100644
--- a/drivers/gpio/gpio-tpic2810.c
+++ b/drivers/gpio/gpio-tpic2810.c
@@ -25,7 +25,7 @@ struct tpic2810 {
struct mutex lock;
};
-static void tpic2810_set(struct gpio_chip *chip, unsigned offset, int value);
+static int tpic2810_set(struct gpio_chip *chip, unsigned int offset, int value);
static int tpic2810_get_direction(struct gpio_chip *chip,
unsigned offset)
@@ -38,8 +38,7 @@ static int tpic2810_direction_output(struct gpio_chip *chip,
unsigned offset, int value)
{
/* This device always output */
- tpic2810_set(chip, offset, value);
- return 0;
+ return tpic2810_set(chip, offset, value);
}
static void tpic2810_set_mask_bits(struct gpio_chip *chip, u8 mask, u8 bits)
@@ -61,15 +60,19 @@ static void tpic2810_set_mask_bits(struct gpio_chip *chip, u8 mask, u8 bits)
mutex_unlock(&gpio->lock);
}
-static void tpic2810_set(struct gpio_chip *chip, unsigned offset, int value)
+static int tpic2810_set(struct gpio_chip *chip, unsigned int offset, int value)
{
tpic2810_set_mask_bits(chip, BIT(offset), value ? BIT(offset) : 0);
+
+ return 0;
}
-static void tpic2810_set_multiple(struct gpio_chip *chip, unsigned long *mask,
- unsigned long *bits)
+static int tpic2810_set_multiple(struct gpio_chip *chip, unsigned long *mask,
+ unsigned long *bits)
{
tpic2810_set_mask_bits(chip, *mask, *bits);
+
+ return 0;
}
static const struct gpio_chip template_chip = {
@@ -77,8 +80,8 @@ static const struct gpio_chip template_chip = {
.owner = THIS_MODULE,
.get_direction = tpic2810_get_direction,
.direction_output = tpic2810_direction_output,
- .set = tpic2810_set,
- .set_multiple = tpic2810_set_multiple,
+ .set_rv = tpic2810_set,
+ .set_multiple_rv = tpic2810_set_multiple,
.base = -1,
.ngpio = 8,
.can_sleep = true,