--- zzzz-none-000/linux-3.10.107/arch/microblaze/kernel/heartbeat.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/microblaze/kernel/heartbeat.c	2021-02-04 17:41:59.000000000 +0000
@@ -17,7 +17,7 @@
 
 static unsigned int base_addr;
 
-void heartbeat(void)
+void microblaze_heartbeat(void)
 {
 	static unsigned int cnt, period, dist;
 
@@ -42,7 +42,7 @@
 	}
 }
 
-void setup_heartbeat(void)
+void microblaze_setup_heartbeat(void)
 {
 	struct device_node *gpio = NULL;
 	int *prop;