tg3: 5785: Set port mode to MII when link down
authorMatt Carlson <mcarlson@broadcom.com>
Mon, 2 Nov 2009 14:27:02 +0000 (14:27 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 3 Nov 2009 07:39:07 +0000 (23:39 -0800)
This patch sets the port mode to MII when the link is down for the 5785.
Setting the port mode to MII instead of GMII saves power.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/tg3.c

index 003ab53..d726da8 100644 (file)
@@ -1363,8 +1363,11 @@ static void tg3_adjust_link(struct net_device *dev)
 
                if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
                        mac_mode |= MAC_MODE_PORT_MODE_MII;
-               else
+               else if (phydev->speed == SPEED_1000 ||
+                        GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
                        mac_mode |= MAC_MODE_PORT_MODE_GMII;
+               else
+                       mac_mode |= MAC_MODE_PORT_MODE_MII;
 
                if (phydev->duplex == DUPLEX_HALF)
                        mac_mode |= MAC_MODE_HALF_DUPLEX;