1 files changed, 38 insertions, 12 deletions

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 42d9ac9ba395..ddf7a86cd466 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -41,6 +41,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/phy.h>
+#include <linux/fec.h>
 
 #include <asm/cacheflush.h>
 
@@ -182,6 +183,7 @@ struct fec_enet_private {
         struct  phy_device *phy_dev;
         int     mii_timeout;
         uint    phy_speed;
+        phy_interface_t phy_interface;
         int     index;
         int     link;
         int     full_duplex;
@@ -679,6 +681,8 @@ static int fec_enet_mii_probe(struct net_device *dev)
         struct phy_device *phy_dev = NULL;
         int phy_addr;
 
+        fep->phy_dev = NULL;
+
         /* find the first phy */
         for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
                 if (fep->mii_bus->phy_map[phy_addr]) {
@@ -709,6 +713,11 @@ static int fec_enet_mii_probe(struct net_device *dev)
         fep->link = 0;
         fep->full_duplex = 0;
 
+        printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] "
+                "(mii_bus:phy_addr=%s, irq=%d)\n", dev->name,
+                fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev),
+                fep->phy_dev->irq);
+
         return 0;
 }
 
@@ -754,13 +763,8 @@ static int fec_enet_mii_init(struct platform_device *pdev)
         if (mdiobus_register(fep->mii_bus))
                 goto err_out_free_mdio_irq;
 
-        if (fec_enet_mii_probe(dev) != 0)
-                goto err_out_unregister_bus;
-
         return 0;
 
-err_out_unregister_bus:
-        mdiobus_unregister(fep->mii_bus);
 err_out_free_mdio_irq:
         kfree(fep->mii_bus->irq);
 err_out_free_mdiobus:
@@ -913,7 +917,12 @@ fec_enet_open(struct net_device *dev)
         if (ret)
                 return ret;
 
-        /* schedule a link state check */
+        /* Probe and connect to PHY when open the interface */
+        ret = fec_enet_mii_probe(dev);
+        if (ret) {
+                fec_enet_free_buffers(dev);
+                return ret;
+        }
         phy_start(fep->phy_dev);
         netif_start_queue(dev);
         fep->opened = 1;
@@ -927,10 +936,12 @@ fec_enet_close(struct net_device *dev)
 
         /* Don't know what to do yet. */
         fep->opened = 0;
-        phy_stop(fep->phy_dev);
         netif_stop_queue(dev);
         fec_stop(dev);
 
+        if (fep->phy_dev)
+                phy_disconnect(fep->phy_dev);
+
         fec_enet_free_buffers(dev);
 
         return 0;
@@ -1191,6 +1202,21 @@ fec_restart(struct net_device *dev, int duplex)
         /* Set MII speed */
         writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
 
+#ifdef FEC_MIIGSK_ENR
+        if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) {
+                /* disable the gasket and wait */
+                writel(0, fep->hwp + FEC_MIIGSK_ENR);
+                while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4)
+                        udelay(1);
+
+                /* configure the gasket: RMII, 50 MHz, no loopback, no echo */
+                writel(1, fep->hwp + FEC_MIIGSK_CFGR);
+
+                /* re-enable the gasket */
+                writel(2, fep->hwp + FEC_MIIGSK_ENR);
+        }
+#endif
+
         /* And last, enable the transmit and receive processing */
         writel(2, fep->hwp + FEC_ECNTRL);
         writel(0, fep->hwp + FEC_R_DES_ACTIVE);
@@ -1226,6 +1252,7 @@ static int __devinit
 fec_probe(struct platform_device *pdev)
 {
         struct fec_enet_private *fep;
+        struct fec_platform_data *pdata;
         struct net_device *ndev;
         int i, irq, ret = 0;
         struct resource *r;
@@ -1259,6 +1286,10 @@ fec_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, ndev);
 
+        pdata = pdev->dev.platform_data;
+        if (pdata)
+                fep->phy_interface = pdata->phy;
+
         /* This device has up to three irqs on some platforms */
         for (i = 0; i < 3; i++) {
                 irq = platform_get_irq(pdev, i);
@@ -1294,11 +1325,6 @@ fec_probe(struct platform_device *pdev)
         if (ret)
                 goto failed_register;
 
-        printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] "
-                "(mii_bus:phy_addr=%s, irq=%d)\n", ndev->name,
-                fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev),
-                fep->phy_dev->irq);
-
         return 0;
 
 failed_register: