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gpio: virtio: 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.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20250707-gpiochip-set-rv-gpio-round4-v1-12-35668aaaf6d2@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-07-07 09:50:25 +02:00
parent 55e2d1eec1
commit e502df58b5
1 changed files with 4 additions and 3 deletions
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7
drivers/gpio/gpio-virtio.c
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@ -194,11 +194,12 @@ static int virtio_gpio_get(struct gpio_chip *gc, unsigned int gpio)
return ret ? ret : value;
}
static void virtio_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
static int virtio_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
{
struct virtio_gpio *vgpio = gpiochip_get_data(gc);
virtio_gpio_req(vgpio, VIRTIO_GPIO_MSG_SET_VALUE, gpio, value, NULL);
return virtio_gpio_req(vgpio, VIRTIO_GPIO_MSG_SET_VALUE, gpio, value,
NULL);
}
/* Interrupt handling */
@ -565,7 +566,7 @@ static int virtio_gpio_probe(struct virtio_device *vdev)
vgpio->gc.direction_input = virtio_gpio_direction_input;
vgpio->gc.direction_output = virtio_gpio_direction_output;
vgpio->gc.get = virtio_gpio_get;
vgpio->gc.set = virtio_gpio_set;
vgpio->gc.set_rv = virtio_gpio_set;
vgpio->gc.ngpio = ngpio;
vgpio->gc.base = -1; /* Allocate base dynamically */
vgpio->gc.label = dev_name(dev);