summaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpiolib-acpi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
-rw-r--r--drivers/gpio/gpiolib-acpi.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index cd3e9657c..7f140df40 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -126,7 +126,7 @@ static DEFINE_MUTEX(acpi_gpio_deferred_req_irqs_lock);
static LIST_HEAD(acpi_gpio_deferred_req_irqs_list);
static bool acpi_gpio_deferred_req_irqs_done;
-static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
+static int acpi_gpiochip_find(struct gpio_chip *gc, const void *data)
{
return device_match_acpi_handle(&gc->gpiodev->dev, data);
}
@@ -1402,17 +1402,17 @@ static int acpi_find_gpio_count(struct acpi_resource *ares, void *data)
}
/**
- * acpi_gpio_count - count the GPIOs associated with a device / function
- * @dev: GPIO consumer, can be %NULL for system-global GPIOs
+ * acpi_gpio_count - count the GPIOs associated with a firmware node / function
+ * @fwnode: firmware node of the GPIO consumer
* @con_id: function within the GPIO consumer
*
* Return:
- * The number of GPIOs associated with a device / function or %-ENOENT,
+ * The number of GPIOs associated with a firmware node / function or %-ENOENT,
* if no GPIO has been assigned to the requested function.
*/
-int acpi_gpio_count(struct device *dev, const char *con_id)
+int acpi_gpio_count(const struct fwnode_handle *fwnode, const char *con_id)
{
- struct acpi_device *adev = ACPI_COMPANION(dev);
+ struct acpi_device *adev = to_acpi_device_node(fwnode);
const union acpi_object *obj;
const struct acpi_gpio_mapping *gm;
int count = -ENOENT;
@@ -1429,8 +1429,7 @@ int acpi_gpio_count(struct device *dev, const char *con_id)
snprintf(propname, sizeof(propname), "%s",
gpio_suffixes[i]);
- ret = acpi_dev_get_property(adev, propname, ACPI_TYPE_ANY,
- &obj);
+ ret = acpi_dev_get_property(adev, propname, ACPI_TYPE_ANY, &obj);
if (ret == 0) {
if (obj->type == ACPI_TYPE_LOCAL_REFERENCE)
count = 1;