summaryrefslogtreecommitdiffstats
path: root/drivers/net/cpmac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/cpmac.c')
-rw-r--r--drivers/net/cpmac.c28
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);