diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 149518e..252f73e 100644
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -40,8 +40,8 @@
 #define gs_dprintk(f, str...) /* nothing */
 #endif
 
-#define func_enter() gs_dprintk (GS_DEBUG_FLOW, "gs: enter %s\n", __FUNCTION__)
-#define func_exit()  gs_dprintk (GS_DEBUG_FLOW, "gs: exit  %s\n", __FUNCTION__)
+#define func_enter() gs_dprintk (GS_DEBUG_FLOW, "gs: enter %s\n", __func__)
+#define func_exit()  gs_dprintk (GS_DEBUG_FLOW, "gs: exit  %s\n", __func__)
 
 #define RS_EVENT_WRITE_WAKEUP	1