[PATCH] skge: avoid up/down on speed changes

Change the speed settings doesn't need to cause link to go down/up.
It can be handled by doing the same logic as nway_reset.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 24 insertions, 17 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 00d683063c01..f77658192a14 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -88,15 +88,14 @@ MODULE_DEVICE_TABLE(pci, skge_id_table);
 
 static int skge_up(struct net_device *dev);
 static int skge_down(struct net_device *dev);
+static void skge_phy_reset(struct skge_port *skge);
 static void skge_tx_clean(struct skge_port *skge);
 static int xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
 static int gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
 static void genesis_get_stats(struct skge_port *skge, u64 *data);
 static void yukon_get_stats(struct skge_port *skge, u64 *data);
 static void yukon_init(struct skge_hw *hw, int port);
-static void yukon_reset(struct skge_hw *hw, int port);
 static void genesis_mac_init(struct skge_hw *hw, int port);
-static void genesis_reset(struct skge_hw *hw, int port);
 static void genesis_link_up(struct skge_port *skge);
 
 /* Avoid conditionals by using array */
@@ -276,10 +275,9 @@ static int skge_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
         skge->autoneg = ecmd->autoneg;
         skge->advertising = ecmd->advertising;
 
-        if (netif_running(dev)) {
-                skge_down(dev);
-                skge_up(dev);
-        }
+        if (netif_running(dev))
+                skge_phy_reset(skge);
+
         return (0);
 }
 
@@ -430,21 +428,11 @@ static void skge_set_msglevel(struct net_device *netdev, u32 value)
 static int skge_nway_reset(struct net_device *dev)
 {
         struct skge_port *skge = netdev_priv(dev);
-        struct skge_hw *hw = skge->hw;
-        int port = skge->port;
 
         if (skge->autoneg != AUTONEG_ENABLE || !netif_running(dev))
                 return -EINVAL;
 
-        spin_lock_bh(&hw->phy_lock);
-        if (hw->chip_id == CHIP_ID_GENESIS) {
-                genesis_reset(hw, port);
-                genesis_mac_init(hw, port);
-        } else {
-                yukon_reset(hw, port);
-                yukon_init(hw, port);
-        }
-        spin_unlock_bh(&hw->phy_lock);
+        skge_phy_reset(skge);
         return 0;
 }
 
@@ -2019,6 +2007,25 @@ static void yukon_phy_intr(struct skge_port *skge)
         /* XXX restart autonegotiation? */
 }
 
+static void skge_phy_reset(struct skge_port *skge)
+{
+        struct skge_hw *hw = skge->hw;
+        int port = skge->port;
+
+        netif_stop_queue(skge->netdev);
+        netif_carrier_off(skge->netdev);
+
+        spin_lock_bh(&hw->phy_lock);
+        if (hw->chip_id == CHIP_ID_GENESIS) {
+                genesis_reset(hw, port);
+                genesis_mac_init(hw, port);
+        } else {
+                yukon_reset(hw, port);
+                yukon_init(hw, port);
+        }
+        spin_unlock_bh(&hw->phy_lock);
+}
+
 /* Basic MII support */
 static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {