[PATCH] e100: Fix Wake on lan related issues

Fix Wake on lan related issues

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>

1 files changed, 28 insertions, 3 deletions

diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index c1ca2dae7c48..a43b82512b60 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -971,7 +971,8 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
         if(nic->flags & multicast_all)
                 config->multicast_all = 0x1;            /* 1=accept, 0=no */
 
-        if(!(nic->flags & wol_magic))
+        /* disable WoL when up */
+        if(netif_running(nic->netdev) || !(nic->flags & wol_magic))
                 config->magic_packet_disable = 0x1;     /* 1=off, 0=on */
 
         if(nic->mac >= mac_82558_D101_A4) {
@@ -1718,6 +1719,7 @@ static int e100_change_mtu(struct net_device *netdev, int new_mtu)
         return 0;
 }
 
+#ifdef CONFIG_PM
 static int e100_asf(struct nic *nic)
 {
         /* ASF can be enabled from eeprom */
@@ -1726,6 +1728,7 @@ static int e100_asf(struct nic *nic)
            !(nic->eeprom[eeprom_config_asf] & eeprom_gcl) &&
            ((nic->eeprom[eeprom_smbus_addr] & 0xFF) != 0xFE));
 }
+#endif
 
 static int e100_up(struct nic *nic)
 {
@@ -1938,7 +1941,6 @@ static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
         else
                 nic->flags &= ~wol_magic;
 
-        pci_enable_wake(nic->pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
         e100_exec_cb(nic, NULL, e100_configure);
 
         return 0;
@@ -2336,7 +2338,8 @@ static int __devinit e100_probe(struct pci_dev *pdev,
            (nic->eeprom[eeprom_id] & eeprom_id_wol))
                 nic->flags |= wol_magic;
 
-        pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
+        /* ack any pending wake events, disable PME */
+        pci_enable_wake(pdev, 0, 0);
 
         strcpy(netdev->name, "eth%d");
         if((err = register_netdev(netdev))) {
@@ -2408,6 +2411,8 @@ static int e100_resume(struct pci_dev *pdev)
 
         pci_set_power_state(pdev, PCI_D0);
         pci_restore_state(pdev);
+        /* ack any pending wake events, disable PME */
+        pci_enable_wake(pdev, 0, 0);
         if(e100_hw_init(nic))
                 DPRINTK(HW, ERR, "e100_hw_init failed\n");
 
@@ -2419,6 +2424,21 @@ static int e100_resume(struct pci_dev *pdev)
 }
 #endif
 
+
+static void e100_shutdown(struct device *dev)
+{
+        struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+        struct net_device *netdev = pci_get_drvdata(pdev);
+        struct nic *nic = netdev_priv(netdev);
+
+#ifdef CONFIG_PM
+        pci_enable_wake(pdev, 0, nic->flags & (wol_magic | e100_asf(nic)));
+#else
+        pci_enable_wake(pdev, 0, nic->flags & (wol_magic));
+#endif
+}
+
+
 static struct pci_driver e100_driver = {
         .name =         DRV_NAME,
         .id_table =     e100_id_table,
@@ -2428,6 +2448,11 @@ static struct pci_driver e100_driver = {
         .suspend =      e100_suspend,
         .resume =       e100_resume,
 #endif
+
+        .driver = {
+                .shutdown = e100_shutdown,
+        }
+
 };
 
 static int __init e100_init_module(void)