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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-06-10 14:33:12 +0200
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-06-17 11:09:30 +0200
commitd27746181905c256eced857f4b2c051ac44b0b45 (patch)
tree3bcb205e8eae0332cd234246e38d6f2bd8ce50a5
parentgpio: mmio: use new GPIO line value setter callbacks (diff)
downloadlinux-d27746181905c256eced857f4b2c051ac44b0b45.tar.gz
linux-d27746181905c256eced857f4b2c051ac44b0b45.zip
gpio: mm-lantiq: 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. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20250610-gpiochip-set-rv-gpio-v1-2-3a9a3c1472ff@linaro.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
-rw-r--r--drivers/gpio/gpio-mm-lantiq.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c
index 14ae25783438..897a1e004681 100644
--- a/drivers/gpio/gpio-mm-lantiq.c
+++ b/drivers/gpio/gpio-mm-lantiq.c
@@ -55,9 +55,9 @@ static void ltq_mm_apply(struct ltq_mm *chip)
* @gpio: GPIO signal number.
* @val: Value to be written to specified signal.
*
- * Set the shadow value and call ltq_mm_apply.
+ * Set the shadow value and call ltq_mm_apply. Always returns 0.
*/
-static void ltq_mm_set(struct gpio_chip *gc, unsigned offset, int value)
+static int ltq_mm_set(struct gpio_chip *gc, unsigned int offset, int value)
{
struct ltq_mm *chip = gpiochip_get_data(gc);
@@ -66,6 +66,8 @@ static void ltq_mm_set(struct gpio_chip *gc, unsigned offset, int value)
else
chip->shadow &= ~(1 << offset);
ltq_mm_apply(chip);
+
+ return 0;
}
/**
@@ -78,9 +80,7 @@ static void ltq_mm_set(struct gpio_chip *gc, unsigned offset, int value)
*/
static int ltq_mm_dir_out(struct gpio_chip *gc, unsigned offset, int value)
{
- ltq_mm_set(gc, offset, value);
-
- return 0;
+ return ltq_mm_set(gc, offset, value);
}
/**
@@ -111,7 +111,7 @@ static int ltq_mm_probe(struct platform_device *pdev)
chip->mmchip.gc.ngpio = 16;
chip->mmchip.gc.direction_output = ltq_mm_dir_out;
- chip->mmchip.gc.set = ltq_mm_set;
+ chip->mmchip.gc.set_rv = ltq_mm_set;
chip->mmchip.save_regs = ltq_mm_save_regs;
/* store the shadow value if one was passed by the devicetree */