--- zzzz-none-000/linux-4.4.60/drivers/tty/serial/arc_uart.c	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/drivers/tty/serial/arc_uart.c	2018-11-08 13:36:17.000000000 +0000
@@ -576,7 +576,6 @@
 	dev->con->write = arc_early_serial_write;
 	return 0;
 }
-EARLYCON_DECLARE(arc_uart, arc_early_console_setup);
 OF_EARLYCON_DECLARE(arc_uart, "snps,arc-uart", arc_early_console_setup);
 
 #endif	/* CONFIG_SERIAL_ARC_CONSOLE */