ucc_geth: update the tbi-phy setting

Old method only set tbi-phy for eth0.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: Liu Yu-B13201

drivers/net/ucc_geth.c

@@ -37,6 +37,7 @@
 #include <asm/qe.h>
 #include <asm/ucc.h>
 #include <asm/ucc_fast.h>
+#include <asm/machdep.h>
 
 #include "ucc_geth.h"
 #include "fsl_pq_mdio.h"
@@ -1334,7 +1335,7 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth)
 	struct ucc_geth __iomem *ug_regs;
 	struct ucc_fast __iomem *uf_regs;
 	int ret_val;
-	u32 upsmr, maccfg2, tbiBaseAddress;
+	u32 upsmr, maccfg2;
 	u16 value;
 
 	ugeth_vdbg("%s: IN", __func__);
@@ -1389,14 +1390,20 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth)
 	/* Note that this depends on proper setting in utbipar register. */
 	if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
 	    (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
-		tbiBaseAddress = in_be32(&ug_regs->utbipar);
-		tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
-		tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
-		value = ugeth->phydev->bus->read(ugeth->phydev->bus,
-				(u8) tbiBaseAddress, ENET_TBI_MII_CR);
+		struct ucc_geth_info *ug_info = ugeth->ug_info;
+		struct phy_device *tbiphy;
+
+		if (!ug_info->tbi_node)
+			ugeth_warn("TBI mode requires that the device "
+				"tree specify a tbi-handle\n");
+
+		tbiphy = of_phy_find_device(ug_info->tbi_node);
+		if (!tbiphy)
+			ugeth_warn("Could not get TBI device\n");
+
+		value = phy_read(tbiphy, ENET_TBI_MII_CR);
 		value &= ~0x1000;	/* Turn off autonegotiation */
-		ugeth->phydev->bus->write(ugeth->phydev->bus,
-				(u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
+		phy_write(tbiphy, ENET_TBI_MII_CR, value);
 	}
 
 	init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);