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gpio: vx855: use new GPIO line value setter callbacks

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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-v1-1-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski
2025-07-09 08:41:38 +02:00
parent e502df58b5
commit db12cdc822
1 changed files with 5 additions and 4 deletions
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9
drivers/gpio/gpio-vx855.c
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@@ -127,8 +127,7 @@ static int vx855gpio_get(struct gpio_chip *gpio, unsigned int nr)
return ret;
}
static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr,
int val)
static int vx855gpio_set(struct gpio_chip *gpio, unsigned int nr, int val)
{
struct vx855_gpio *vg = gpiochip_get_data(gpio);
unsigned long flags;
@@ -136,7 +135,7 @@ static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr,
/* True GPI cannot be switched to output mode */
if (nr < NR_VX855_GPI)
return;
return -EPERM;
spin_lock_irqsave(&vg->lock, flags);
reg_out = inl(vg->io_gpo);
@@ -153,6 +152,8 @@ static void vx855gpio_set(struct gpio_chip *gpio, unsigned int nr,
}
outl(reg_out, vg->io_gpo);
spin_unlock_irqrestore(&vg->lock, flags);
return 0;
}
static int vx855gpio_direction_output(struct gpio_chip *gpio,
@@ -215,7 +216,7 @@ static void vx855gpio_gpio_setup(struct vx855_gpio *vg)
c->direction_input = vx855gpio_direction_input;
c->direction_output = vx855gpio_direction_output;
c->get = vx855gpio_get;
c->set = vx855gpio_set;
c->set_rv = vx855gpio_set;
c->set_config = vx855gpio_set_config;
c->dbg_show = NULL;
c->base = 0;