net: Rework pasemi_mac driver to use of_mdio infrastructure

This patch simplifies the driver by making use of more common code.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Olof Johansson <olof@lixom.net>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 4 insertions, 25 deletions

diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 067caba43656..6ea4539085d5 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -24,6 +24,7 @@
 #include <linux/dmaengine.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
+#include <linux/of_mdio.h>
 #include <linux/etherdevice.h>
 #include <asm/dma-mapping.h>
 #include <linux/in.h>
@@ -1086,34 +1087,17 @@ static int pasemi_mac_phy_init(struct net_device *dev)
         struct pasemi_mac *mac = netdev_priv(dev);
         struct device_node *dn, *phy_dn;
         struct phy_device *phydev;
-        unsigned int phy_id;
-        const phandle *ph;
-        const unsigned int *prop;
-        struct resource r;
-        int ret;
 
         dn = pci_device_to_OF_node(mac->pdev);
-        ph = of_get_property(dn, "phy-handle", NULL);
-        if (!ph)
-                return -ENODEV;
-        phy_dn = of_find_node_by_phandle(*ph);
-
-        prop = of_get_property(phy_dn, "reg", NULL);
-        ret = of_address_to_resource(phy_dn->parent, 0, &r);
-        if (ret)
-                goto err;
-
-        phy_id = *prop;
-        snprintf(mac->phy_id, sizeof(mac->phy_id), "%x:%02x",
-                 (int)r.start, phy_id);
-
+        phy_dn = of_parse_phandle(dn, "phy-handle", 0);
         of_node_put(phy_dn);
 
         mac->link = 0;
         mac->speed = 0;
         mac->duplex = -1;
 
-        phydev = phy_connect(dev, mac->phy_id, &pasemi_adjust_link, 0, PHY_INTERFACE_MODE_SGMII);
+        phydev = of_phy_connect(dev, phy_dn, &pasemi_adjust_link, 0,
+                                PHY_INTERFACE_MODE_SGMII);
 
         if (IS_ERR(phydev)) {
                 printk(KERN_ERR "%s: Could not attach to phy\n", dev->name);
@@ -1123,10 +1107,6 @@ static int pasemi_mac_phy_init(struct net_device *dev)
         mac->phydev = phydev;
 
         return 0;
-
-err:
-        of_node_put(phy_dn);
-        return -ENODEV;
 }
 
 
diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h
index 1a115ec60b53..e2f4efa8ad46 100644
--- a/drivers/net/pasemi_mac.h
+++ b/drivers/net/pasemi_mac.h
@@ -100,7 +100,6 @@ struct pasemi_mac {
         int     duplex;
 
         unsigned int    msg_enable;
-        char    phy_id[BUS_ID_SIZE];
 };
 
 /* Software status descriptor (ring_info) */