public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-18 22:14:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

gpio: xtensa: 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.

Link: https://lore.kernel.org/r/20250709-gpiochip-set-rv-gpio-remaining-v1-15-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-07-09 08:41:52 +02:00
parent 735ddc67ab
commit 383a02f6d4
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpio/gpio-xtensa.c
View file

@ -103,7 +103,7 @@ static int xtensa_expstate_get_value(struct gpio_chip *gc, unsigned offset)
return !!(expstate & BIT(offset));
}
static void xtensa_expstate_set_value(struct gpio_chip *gc, unsigned offset,
static int xtensa_expstate_set_value(struct gpio_chip *gc, unsigned int offset,
int value)
{
unsigned long flags, saved_cpenable;
@ -114,6 +114,8 @@ static void xtensa_expstate_set_value(struct gpio_chip *gc, unsigned offset,
__asm__ __volatile__("wrmsk_expstate %0, %1"
:: "a" (val), "a" (mask));
disable_cp(flags, saved_cpenable);
return 0;
}
static struct gpio_chip impwire_chip = {
@ -130,7 +132,7 @@ static struct gpio_chip expstate_chip = {
.ngpio = 32,
.get_direction = xtensa_expstate_get_direction,
.get = xtensa_expstate_get_value,
.set = xtensa_expstate_set_value,
.set_rv = xtensa_expstate_set_value,
};
static int xtensa_gpio_probe(struct platform_device *pdev)