v4.19.13 snapshot.
diff --git a/arch/mips/ath79/dev-leds-gpio.h b/arch/mips/ath79/dev-leds-gpio.h
new file mode 100644
index 0000000..6e5d885
--- /dev/null
+++ b/arch/mips/ath79/dev-leds-gpio.h
@@ -0,0 +1,21 @@
+/*
+ * Atheros AR71XX/AR724X/AR913X common GPIO LEDs support
+ *
+ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#ifndef _ATH79_DEV_LEDS_GPIO_H
+#define _ATH79_DEV_LEDS_GPIO_H
+
+#include <linux/leds.h>
+
+void ath79_register_leds_gpio(int id,
+ unsigned num_leds,
+ struct gpio_led *leds);
+
+#endif /* _ATH79_DEV_LEDS_GPIO_H */