--- a/include/asm-arm/arch-sl2312/sl351x_gmac.h
+++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h
@@ -21,7 +21,7 @@
 #undef BIG_ENDIAN
 #define BIG_ENDIAN  				0
 #define GMAC_DEBUG      			1
-#define GMAC_NUM					2
+#define GMAC_NUM					1
 //#define	L2_jumbo_frame				1
 
 #define _PACKED_					__attribute__ ((aligned(1), packed))
