admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: s3c/gpio: use new 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.

Link: https://lore.kernel.org/r/20250407-gpiochip-set-rv-arm-v1-4-9e4a914c7fd4@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-04-07 09:09:21 +02:00
parent dd8a6af459
commit fb52f3226c
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/mach-s3c/gpio-samsung.c
View File

@@ -430,8 +430,8 @@ static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip,
return 0;
}
static void samsung_gpiolib_set(struct gpio_chip *chip,
unsigned offset, int value)
static int samsung_gpiolib_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip);
void __iomem *base = ourchip->base;
@@ -447,6 +447,8 @@ static void samsung_gpiolib_set(struct gpio_chip *chip,
__raw_writel(dat, base + 0x04);
samsung_gpio_unlock(ourchip, flags);
return 0;
}
static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset)
@@ -515,7 +517,7 @@ static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip)
if (!gc->direction_output)
gc->direction_output = samsung_gpiolib_2bit_output;
if (!gc->set)
gc->set = samsung_gpiolib_set;
gc->set_rv = samsung_gpiolib_set;
if (!gc->get)
gc->get = samsung_gpiolib_get;