ucc_geth: fix non-functional fixed phy support

The new Fixed PHY method, fixed-link property, isn't
impl. for ucc_geth which makes fixed PHYs non functional.
Add support for the new method to restore the Fixed PHY
functionality.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 30 insertions, 23 deletions

diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 8cc316653a39..0ee4c168e4c0 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3833,6 +3833,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
         struct device_node *phy;
         int err, ucc_num, max_speed = 0;
         const phandle *ph;
+        const u32 *fixed_link;
         const unsigned int *prop;
         const char *sprop;
         const void *mac_addr;
@@ -3923,18 +3924,38 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
 
         ug_info->uf_info.regs = res.start;
         ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
+        fixed_link = of_get_property(np, "fixed-link", NULL);
+        if (fixed_link) {
+                ug_info->mdio_bus = 0;
+                ug_info->phy_address = fixed_link[0];
+                phy = NULL;
+        } else {
+                ph = of_get_property(np, "phy-handle", NULL);
+                phy = of_find_node_by_phandle(*ph);
 
-        ph = of_get_property(np, "phy-handle", NULL);
-        phy = of_find_node_by_phandle(*ph);
+                if (phy == NULL)
+                        return -ENODEV;
 
-        if (phy == NULL)
-                return -ENODEV;
+                /* set the PHY address */
+                prop = of_get_property(phy, "reg", NULL);
+                if (prop == NULL)
+                        return -1;
+                ug_info->phy_address = *prop;
+
+                /* Set the bus id */
+                mdio = of_get_parent(phy);
+
+                if (mdio == NULL)
+                        return -1;
 
-        /* set the PHY address */
-        prop = of_get_property(phy, "reg", NULL);
-        if (prop == NULL)
-                return -1;
-        ug_info->phy_address = *prop;
+                err = of_address_to_resource(mdio, 0, &res);
+                of_node_put(mdio);
+
+                if (err)
+                        return -1;
+
+                ug_info->mdio_bus = res.start;
+        }
 
         /* get the phy interface type, or default to MII */
         prop = of_get_property(np, "phy-connection-type", NULL);
@@ -3979,20 +4000,6 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
                 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
         }
 
-        /* Set the bus id */
-        mdio = of_get_parent(phy);
-
-        if (mdio == NULL)
-                return -1;
-
-        err = of_address_to_resource(mdio, 0, &res);
-        of_node_put(mdio);
-
-        if (err)
-                return -1;
-
-        ug_info->mdio_bus = res.start;
-
         if (netif_msg_probe(&debug))
                 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
                         ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,