--- linux-2.6.16.7/arch/mips/au1000/mtx-1/board_setup.c	2006-04-17 23:53:25.000000000 +0200
+++ linux-2.6.16.7.new/arch/mips/au1000/mtx-1/board_setup.c	2006-04-23 14:35:42.000000000 +0200
@@ -71,9 +71,7 @@
 #endif
 
 	// initialize sys_pinfunc:
-	// disable second ethernet port (SYS_PF_NI2)
-	// set U3/GPIO23 to GPIO23 (SYS_PF_U3)
-	au_writel( SYS_PF_NI2 | SYS_PF_U3, SYS_PINFUNC );
+	au_writel( SYS_PF_NI2, SYS_PINFUNC );
 
 	// initialize GPIO
 	au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR );