github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-02 03:24:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

gpio: mm-lantiq: use new GPIO line value setter callbacks

Browse Source 
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>
This commit is contained in:
Bartosz Golaszewski 2025-06-10 14:33:12 +02:00
parent b908d35d00
commit d277461819
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpio/gpio-mm-lantiq.c
View File

@ -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 */