gpio: Rename devm_get_gpiod_from_child()

Rename devm_get_gpiod_from_child() into
devm_fwnode_get_gpiod_from_child() to reflect the fact that this
function is operating on a fwnode object.

Signed-off-by: Boris Brezillon <[e-mail]>
Acked-by: Jacek Anaszewski <[e-mail]>
Acked-by: Dmitry Torokhov <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/devres.c

···
 EXPORT_SYMBOL(devm_gpiod_get_index);
 
 /**
- * devm_get_gpiod_from_child - get a GPIO descriptor from a device's child node
+ * devm_fwnode_get_gpiod_from_child - get a GPIO descriptor from a device's
+ *				      child node
  * @dev:	GPIO consumer
  * @con_id:	function within the GPIO consumer
  * @child:	firmware node (child of @dev)
···
  * On successfull request the GPIO pin is configured in accordance with
  * provided @flags.
  */
-struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
-					    const char *con_id,
-					    struct fwnode_handle *child,
-					    enum gpiod_flags flags,
-					    const char *label)
+struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
+						   const char *con_id,
+						   struct fwnode_handle *child,
+						   enum gpiod_flags flags,
+						   const char *label)
 {
 	static const char * const suffixes[] = { "gpios", "gpio" };
 	char prop_name[32]; /* 32 is max size of property name */
···
 
 	return desc;
 }
-EXPORT_SYMBOL(devm_get_gpiod_from_child);
+EXPORT_SYMBOL(devm_fwnode_get_gpiod_from_child);
 
 /**
  * devm_gpiod_get_index_optional - Resource-managed gpiod_get_index_optional()

drivers/input/keyboard/gpio_keys.c

···
 	spin_lock_init(&bdata->lock);
 
 	if (child) {
-		bdata->gpiod = devm_get_gpiod_from_child(dev, NULL, child,
-							 GPIOD_IN, desc);
+		bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL,
+								child,
+								GPIOD_IN,
+								desc);
 		if (IS_ERR(bdata->gpiod)) {
 			error = PTR_ERR(bdata->gpiod);
 			if (error == -ENOENT) {

drivers/input/keyboard/gpio_keys_polled.c

···
 				return -EINVAL;
 			}
 
-			bdata->gpiod = devm_get_gpiod_from_child(dev, NULL,
-								 child,
-								 GPIOD_IN,
-								 button->desc);
+			bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev,
+								NULL, child,
+								GPIOD_IN,
+								button->desc);
 			if (IS_ERR(bdata->gpiod)) {
 				error = PTR_ERR(bdata->gpiod);
 				if (error != -EPROBE_DEFER)

drivers/leds/leds-gpio.c

···
 			return ERR_PTR(-EINVAL);
 		}
 
-		led.gpiod = devm_get_gpiod_from_child(dev, NULL, child,
-						      GPIOD_ASIS, led.name);
+		led.gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL, child,
+							     GPIOD_ASIS,
+							     led.name);
 		if (IS_ERR(led.gpiod)) {
 			fwnode_handle_put(child);
 			return ERR_CAST(led.gpiod);

drivers/video/fbdev/amba-clcd-nomadik.c

···
 	dev_info(dev, "TPG110 display init\n");
 
 	/* This asserts the GRESTB signal, putting the display into reset */
-	grestb = devm_get_gpiod_from_child(dev, "grestb", &np->fwnode,
-					   GPIOD_OUT_HIGH, "grestb");
+	grestb = devm_fwnode_get_gpiod_from_child(dev, "grestb", &np->fwnode,
+						  GPIOD_OUT_HIGH, "grestb");
 	if (IS_ERR(grestb)) {
 		dev_err(dev, "no GRESTB GPIO\n");
 		return;
 	}
-	scen = devm_get_gpiod_from_child(dev, "scen", &np->fwnode,
-					 GPIOD_OUT_LOW, "scen");
+	scen = devm_fwnode_get_gpiod_from_child(dev, "scen", &np->fwnode,
+						GPIOD_OUT_LOW, "scen");
 	if (IS_ERR(scen)) {
 		dev_err(dev, "no SCEN GPIO\n");
 		return;
 	}
-	scl = devm_get_gpiod_from_child(dev, "scl", &np->fwnode, GPIOD_OUT_LOW,
-					"scl");
+	scl = devm_fwnode_get_gpiod_from_child(dev, "scl", &np->fwnode,
+					       GPIOD_OUT_LOW, "scl");
 	if (IS_ERR(scl)) {
 		dev_err(dev, "no SCL GPIO\n");
 		return;
 	}
-	sda = devm_get_gpiod_from_child(dev, "sda", &np->fwnode, GPIOD_OUT_LOW,
-					"sda");
+	sda = devm_fwnode_get_gpiod_from_child(dev, "sda", &np->fwnode,
+					       GPIOD_OUT_LOW, "sda");
 	if (IS_ERR(sda)) {
 		dev_err(dev, "no SDA GPIO\n");
 		return;

include/linux/gpio/consumer.h

···
 					 const char *propname,
 					 enum gpiod_flags dflags,
 					 const char *label);
-struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
-					    const char *con_id,
-					    struct fwnode_handle *child,
-					    enum gpiod_flags flags,
-					    const char *label);
+struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
+						   const char *con_id,
+						   struct fwnode_handle *child,
+						   enum gpiod_flags flags,
+						   const char *label);
 #else /* CONFIG_GPIOLIB */
 
 static inline int gpiod_count(struct device *dev, const char *con_id)
···
 }
 
 static inline
-struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
-					    const char *con_id,
-					    struct fwnode_handle *child,
-					    enum gpiod_flags flags,
-					    const char *label)
+struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
+						   const char *con_id,
+						   struct fwnode_handle *child,
+						   enum gpiod_flags flags,
+						   const char *label)
 {
 	return ERR_PTR(-ENOSYS);
 }