ACPI / property: Extend device_get_next_child_node() to data-only nodes

[mirror_ubuntu-artful-kernel.git] / drivers / gpio / gpiolib.h

diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index bf343004b0085c4bcc21243a63195cb875ca636a..e69c7157cdad16986735c69219703526f0793857 100644 (file)
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -42,6 +42,9 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
 struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
                                          const char *propname, int index,
                                          struct acpi_gpio_info *info);
+struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode,
+                                     const char *propname, int index,
+                                     struct acpi_gpio_info *info);
 
 int acpi_gpio_count(struct device *dev, const char *con_id);
 #else
@@ -60,7 +63,12 @@ acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname,
 {
        return ERR_PTR(-ENOSYS);
 }
-
+static inline struct gpio_desc *
+acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname,
+                   int index, struct acpi_gpio_info *info)
+{
+       return ERR_PTR(-ENXIO);
+}
 static inline int acpi_gpio_count(struct device *dev, const char *con_id)
 {
        return -ENODEV;