diff options
Diffstat (limited to 'drivers/net/cpmac.c')
| -rw-r--r-- | drivers/net/cpmac.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c index 8d0be26f94e..60777fd90b3 100644 --- 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; } @@ -320,7 +329,6 @@ static int cpmac_config(struct net_device *dev, struct ifmap *map) static void cpmac_set_multicast_list(struct net_device *dev) { struct dev_mc_list *iter; - int i; u8 tmp; u32 mbp, bit, hash[2] = { 0, }; struct cpmac_priv *priv = netdev_priv(dev); @@ -340,8 +348,7 @@ static void cpmac_set_multicast_list(struct net_device *dev) * cpmac uses some strange mac address hashing * (not crc32) */ - for (i = 0, iter = dev->mc_list; i < dev->mc_count; - i++, iter = iter->next) { + netdev_for_each_mc_addr(iter, dev) { bit = 0; tmp = iter->dmi_addr[0]; bit ^= (tmp >> 2) ^ (tmp << 4); @@ -1130,8 +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); @@ -1284,8 +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); |