fix the following building warning
---8>---
macb.c: In function 'macb_init':
macb.c:400:14: warning: 'phydev' may be used uninitialized in this function
macb.c:377:21: note: 'phydev' was declared here
---<8---
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
 #include <asm/io.h>
 #include <asm/dma-mapping.h>
 #include <asm/arch/clk.h>
+#include <asm-generic/errno.h>
 
 #include "macb.h"
 
        }
 
 #ifdef CONFIG_PHYLIB
-       phydev->bus = macb->bus;
-       phydev->dev = netdev;
-       phydev->addr = macb->phy_addr;
+       /* need to consider other phy interface mode */
+       phydev = phy_connect(macb->bus, macb->phy_addr, netdev,
+                            PHY_INTERFACE_MODE_RGMII);
+       if (!phydev) {
+               printf("phy_connect failed\n");
+               return -ENODEV;
+       }
+
        phy_config(phydev);
 #endif