Merge master.kernel.org:/home/rmk/linux-2.6-arm

[safe/jmp/linux-2.6] / drivers / net / cpmac.c

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index 0074f3b..60777fd 100644 (file)
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -28,6 +28,7 @@
 #include <linux/delay.h>
 
 #include <linux/netdevice.h>
+#include <linux/if_vlan.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/skbuff.h>
@@ -36,6 +37,7 @@
 #include <linux/phy_fixed.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/clk.h>
 #include <asm/gpio.h>
 #include <asm/atomic.h>
 
@@ -54,9 +56,9 @@ module_param(dumb_switch, int, 0444);
 MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
 MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
 
-#define CPMAC_VERSION "0.5.1"
-/* frame size + 802.1q tag */
-#define CPMAC_SKB_SIZE         (ETH_FRAME_LEN + 4)
+#define CPMAC_VERSION "0.5.2"
+/* frame size + 802.1q tag + FCS size */
+#define CPMAC_SKB_SIZE         (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
 #define CPMAC_QUEUES   8
 
 /* Ethernet registers */
@@ -294,9 +296,16 @@ static int cpmac_mdio_write(struct mii_bus *bus, int phy_id,
 
 static int cpmac_mdio_reset(struct mii_bus *bus)
 {
+       struct clk *cpmac_clk;
+
+       cpmac_clk = clk_get(&bus->dev, "cpmac");
+       if (IS_ERR(cpmac_clk)) {
+               printk(KERN_ERR "unable to get cpmac clock\n");
+               return -1;
+       }
        ar7_device_reset(AR7_RESET_BIT_MDIO);
        cpmac_write(bus->priv, CPMAC_MDIO_CONTROL, MDIOC_ENABLE |
-                   MDIOC_CLKDIV(ar7_cpmac_freq() / 2200000 - 1));
+                   MDIOC_CLKDIV(clk_get_rate(cpmac_clk) / 2200000 - 1));
        return 0;
 }
 
@@ -1128,8 +1137,9 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
        }
 
        if (phy_id == PHY_MAX_ADDR) {
-               dev_err(&pdev->dev, "no PHY present\n");
-               return -ENODEV;
+               dev_err(&pdev->dev, "no PHY present, falling back to switch on MDIO bus 0\n");
+               strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+               phy_id = pdev->id;
        }
 
        dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1282,8 +1292,8 @@ void __devexit cpmac_exit(void)
 {
        platform_driver_unregister(&cpmac_driver);
        mdiobus_unregister(cpmac_mii);
-       mdiobus_free(cpmac_mii);
        iounmap(cpmac_mii->priv);
+       mdiobus_free(cpmac_mii);
 }
 
 module_init(cpmac_init);