leds: max77650: Switch to fwnode property API

Switch the max77650 from OF to the fwnode property API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

drivers/leds/leds-max77650.c

@@ -62,7 +62,7 @@ static int max77650_led_brightness_set(struct led_classdev *cdev,
 
 static int max77650_led_probe(struct platform_device *pdev)
 {
-	struct device_node *of_node, *child;
+	struct fwnode_handle *child;
 	struct max77650_led *leds, *led;
 	struct device *dev;
 	struct regmap *map;
@@ -71,10 +71,6 @@ static int max77650_led_probe(struct platform_device *pdev)
 	u32 reg;
 
 	dev = &pdev->dev;
-	of_node = dev->of_node;
-
-	if (!of_node)
-		return -ENODEV;
 
 	leds = devm_kcalloc(dev, sizeof(*leds),
 			    MAX77650_LED_NUM_LEDS, GFP_KERNEL);
@@ -85,12 +81,12 @@ static int max77650_led_probe(struct platform_device *pdev)
 	if (!map)
 		return -ENODEV;
 
-	num_leds = of_get_child_count(of_node);
+	num_leds = device_get_child_node_count(dev);
 	if (!num_leds || num_leds > MAX77650_LED_NUM_LEDS)
 		return -ENODEV;
 
-	for_each_child_of_node(of_node, child) {
-		rv = of_property_read_u32(child, "reg", &reg);
+	device_for_each_child_node(dev, child) {
+		rv = fwnode_property_read_u32(child, "reg", &reg);
 		if (rv || reg >= MAX77650_LED_NUM_LEDS) {
 			rv = -EINVAL;
 			goto err_node_put;
@@ -103,8 +99,8 @@ static int max77650_led_probe(struct platform_device *pdev)
 		led->cdev.brightness_set_blocking = max77650_led_brightness_set;
 		led->cdev.max_brightness = MAX77650_LED_MAX_BRIGHTNESS;
 
-		label = of_get_property(child, "label", NULL);
-		if (!label) {
+		rv = fwnode_property_read_string(child, "label", &label);
+		if (rv) {
 			led->cdev.name = "max77650::";
 		} else {
 			led->cdev.name = devm_kasprintf(dev, GFP_KERNEL,
@@ -115,8 +111,8 @@ static int max77650_led_probe(struct platform_device *pdev)
 			}
 		}
 
-		of_property_read_string(child, "linux,default-trigger",
-					&led->cdev.default_trigger);
+		fwnode_property_read_string(child, "linux,default-trigger",
+					    &led->cdev.default_trigger);
 
 		rv = devm_led_classdev_register(dev, &led->cdev);
 		if (rv)
@@ -135,7 +131,7 @@ static int max77650_led_probe(struct platform_device *pdev)
 			    MAX77650_REG_CNFG_LED_TOP,
 			    MAX77650_LED_TOP_DEFAULT);
 err_node_put:
-	of_node_put(child);
+	fwnode_handle_put(child);
 	return rv;
 }