cpmac: update to new fixed phy driver interface

Use fixed_mdio_get_phydev for obtaining fixed phy instances and adopt to
changed fixed phy device naming.

Signed-off-by: Eugene Konev <ejka@imfi.kspu.ru>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 486c82b..6fd95a2 100644 (file)
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -34,6 +34,7 @@
 #include <linux/skbuff.h>
 #include <linux/mii.h>
 #include <linux/phy.h>
+#include <linux/phy_fixed.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <asm/gpio.h>
@@ -847,6 +848,15 @@ static void cpmac_adjust_link(struct net_device *dev)
        spin_unlock(&priv->lock);
 }
 
+static int cpmac_link_update(struct net_device *dev,
+                            struct fixed_phy_status *status)
+{
+       status->link = 1;
+       status->speed = 100;
+       status->duplex = 1;
+       return 0;
+}
+
 static int cpmac_open(struct net_device *dev)
 {
        int i, size, res;
@@ -855,15 +865,6 @@ static int cpmac_open(struct net_device *dev)
        struct cpmac_desc *desc;
        struct sk_buff *skb;
 
-       priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link,
-                               0, PHY_INTERFACE_MODE_MII);
-       if (IS_ERR(priv->phy)) {
-               if (netif_msg_drv(priv))
-                       printk(KERN_ERR "%s: Could not attach to PHY\n",
-                              dev->name);
-               return PTR_ERR(priv->phy);
-       }
-
        mem = platform_get_resource_byname(priv->pdev, IORESOURCE_MEM, "regs");
        if (!request_mem_region(mem->start, mem->end - mem->start, dev->name)) {
                if (netif_msg_drv(priv))
@@ -950,8 +951,6 @@ fail_remap:
        release_mem_region(mem->start, mem->end - mem->start);
 
 fail_reserve:
-       phy_disconnect(priv->phy);
-
        return res;
 }
 
@@ -966,8 +965,6 @@ static int cpmac_stop(struct net_device *dev)
        cancel_work_sync(&priv->reset_work);
        napi_disable(&priv->napi);
        phy_stop(priv->phy);
-       phy_disconnect(priv->phy);
-       priv->phy = NULL;
 
        cpmac_hw_stop(dev);
 
@@ -1001,11 +998,12 @@ static int external_switch;
 
 static int __devinit cpmac_probe(struct platform_device *pdev)
 {
-       int rc, phy_id;
+       int rc, phy_id, i;
        struct resource *mem;
        struct cpmac_priv *priv;
        struct net_device *dev;
        struct plat_cpmac_data *pdata;
+       struct fixed_info *fixed_phy;
        DECLARE_MAC_BUF(mac);
 
        pdata = pdev->dev.platform_data;
@@ -1064,11 +1062,41 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
        priv->ring_size = 64;
        priv->msg_enable = netif_msg_init(debug_level, 0xff);
        memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
+
        if (phy_id == 31) {
-               snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT,
-                        cpmac_mii.id, phy_id);
-       } else
-               snprintf(priv->phy_name, BUS_ID_SIZE, "fixed@%d:%d", 100, 1);
+               snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, cpmac_mii.id,
+                        phy_id);
+       } else {
+               /* Let's try to get a free fixed phy... */
+               for (i = 0; i < MAX_PHY_AMNT; i++) {
+                       fixed_phy = fixed_mdio_get_phydev(i);
+                       if (!fixed_phy)
+                               continue;
+                       if (!fixed_phy->phydev->attached_dev) {
+                               strncpy(priv->phy_name,
+                                       fixed_phy->phydev->dev.bus_id,
+                                       BUS_ID_SIZE);
+                               fixed_mdio_set_link_update(fixed_phy->phydev,
+                                                          &cpmac_link_update);
+                               goto phy_found;
+                       }
+               }
+               if (netif_msg_drv(priv))
+                       printk(KERN_ERR "%s: Could not find fixed PHY\n",
+                              dev->name);
+               rc = -ENODEV;
+               goto fail;
+       }
+
+phy_found:
+       priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0,
+                               PHY_INTERFACE_MODE_MII);
+       if (IS_ERR(priv->phy)) {
+               if (netif_msg_drv(priv))
+                       printk(KERN_ERR "%s: Could not attach to PHY\n",
+                              dev->name);
+               return PTR_ERR(priv->phy);
+       }
 
        if ((rc = register_netdev(dev))) {
                printk(KERN_ERR "cpmac: error %i registering device %s\n", rc,