diff --git a/board/ifm/ac14xx/ac14xx.c b/board/ifm/ac14xx/ac14xx.c
index 0fbdfdb..5d2ab2f 100644
--- a/board/ifm/ac14xx/ac14xx.c
+++ b/board/ifm/ac14xx/ac14xx.c
@@ -608,8 +608,10 @@
 }
 
 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-void ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, bd_t *bd)
 {
 	ft_cpu_setup(blob, bd);
+
+	return 0;
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
diff --git a/board/ifm/o2dnt2/o2dnt2.c b/board/ifm/o2dnt2/o2dnt2.c
index 6716ffc..ca09767 100644
--- a/board/ifm/o2dnt2/o2dnt2.c
+++ b/board/ifm/o2dnt2/o2dnt2.c
@@ -364,7 +364,7 @@
 }
 #endif /* defined(CONFIG_SYS_UPDATE_FLASH_SIZE) */
 
-void ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, bd_t *bd)
 {
 	int phy_addr = CONFIG_PHY_ADDR;
 	char eth_path[] = "/soc5200@f0000000/mdio@3000/ethernet-phy@0";
@@ -380,5 +380,7 @@
 #endif
 	/* fix up the phy address */
 	do_fixup_by_path(blob, eth_path, "reg", &phy_addr, sizeof(int), 0);
+
+	return 0;
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */