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authorGuo-Fu Tseng <cooldavid@cooldavid.org>2011-02-13 13:27:40 -0500
committerDavid S. Miller <davem@davemloft.net>2011-02-13 23:43:23 -0500
commit8b53abae582cee9a17320460e0f05474097192b6 (patch)
treecf8f25a7853ddcde2ca67c35db7e5e9e6b1a9218 /drivers/net/jme.c
parent854a2e7c331a36244169626ba8e11e15d134cb5f (diff)
jme: Refill receive unicase MAC addr after resume
The value of the register which holds receive Unicast MAC Address sometimes get messed-up after resume. This patch refill it before enabling the hardware filter. Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/jme.c')
-rw-r--r--drivers/net/jme.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index dd4132443b7b..ed35e17f43dc 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -898,6 +898,7 @@ jme_enable_rx_engine(struct jme_adapter *jme)
898 /* 898 /*
899 * Setup Unicast Filter 899 * Setup Unicast Filter
900 */ 900 */
901 jme_set_unicastaddr(jme->dev);
901 jme_set_multi(jme->dev); 902 jme_set_multi(jme->dev);
902 903
903 /* 904 /*
@@ -2114,27 +2115,34 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
2114 return NETDEV_TX_OK; 2115 return NETDEV_TX_OK;
2115} 2116}
2116 2117
2118static void
2119jme_set_unicastaddr(struct net_device *netdev)
2120{
2121 struct jme_adapter *jme = netdev_priv(netdev);
2122 u32 val;
2123
2124 val = (netdev->dev_addr[3] & 0xff) << 24 |
2125 (netdev->dev_addr[2] & 0xff) << 16 |
2126 (netdev->dev_addr[1] & 0xff) << 8 |
2127 (netdev->dev_addr[0] & 0xff);
2128 jwrite32(jme, JME_RXUMA_LO, val);
2129 val = (netdev->dev_addr[5] & 0xff) << 8 |
2130 (netdev->dev_addr[4] & 0xff);
2131 jwrite32(jme, JME_RXUMA_HI, val);
2132}
2133
2117static int 2134static int
2118jme_set_macaddr(struct net_device *netdev, void *p) 2135jme_set_macaddr(struct net_device *netdev, void *p)
2119{ 2136{
2120 struct jme_adapter *jme = netdev_priv(netdev); 2137 struct jme_adapter *jme = netdev_priv(netdev);
2121 struct sockaddr *addr = p; 2138 struct sockaddr *addr = p;
2122 u32 val;
2123 2139
2124 if (netif_running(netdev)) 2140 if (netif_running(netdev))
2125 return -EBUSY; 2141 return -EBUSY;
2126 2142
2127 spin_lock_bh(&jme->macaddr_lock); 2143 spin_lock_bh(&jme->macaddr_lock);
2128 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 2144 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
2129 2145 jme_set_unicastaddr(netdev);
2130 val = (addr->sa_data[3] & 0xff) << 24 |
2131 (addr->sa_data[2] & 0xff) << 16 |
2132 (addr->sa_data[1] & 0xff) << 8 |
2133 (addr->sa_data[0] & 0xff);
2134 jwrite32(jme, JME_RXUMA_LO, val);
2135 val = (addr->sa_data[5] & 0xff) << 8 |
2136 (addr->sa_data[4] & 0xff);
2137 jwrite32(jme, JME_RXUMA_HI, val);
2138 spin_unlock_bh(&jme->macaddr_lock); 2146 spin_unlock_bh(&jme->macaddr_lock);
2139 2147
2140 return 0; 2148 return 0;