[PATCH][EMAC] fix ibm_emac autonegotiation result parsing

[Matt Porter]

Fix aneg result parsing in ibm_emac driver.

Signed-off-by: Eugene Surovegin <ebs at ebshome.net>
Signed-off-by: Matt Porter <mporter at kernel.crashing.org>

===== drivers/net/ibm_emac/ibm_emac_phy.c 1.1 vs edited =====
--- 1.1/drivers/net/ibm_emac/ibm_emac_phy.c     2004-05-22 10:13:08 -07:00
+++ edited/drivers/net/ibm_emac/ibm_emac_phy.c  2004-11-24 15:23:54 -08:00
@@ -191,17 +191,18 @@
        u16 lpa;
 
        if (phy->autoneg) {
-               lpa = phy_read(phy, MII_LPA);
+               lpa = phy_read(phy, MII_LPA) & phy_read(phy, MII_ADVERTISE);
 
-               if (lpa & (LPA_10FULL | LPA_100FULL))
-                       phy->duplex = DUPLEX_FULL;
-               else
-                       phy->duplex = DUPLEX_HALF;
-               if (lpa & (LPA_100FULL | LPA_100HALF))
-                       phy->speed = SPEED_100;
-               else
-                       phy->speed = SPEED_10;
+               phy->speed = SPEED_10;
+               phy->duplex = DUPLEX_HALF;
                phy->pause = 0;
+
+               if (lpa & (LPA_100FULL | LPA_100HALF)) {
+                       phy->speed = SPEED_100;
+                       if (lpa & LPA_100FULL) 
+                               phy->duplex = DUPLEX_FULL;
+               } else if (lpa & LPA_10FULL)
+                       phy->duplex = DUPLEX_FULL;
        }
        /* On non-aneg, we assume what we put in BMCR is the speed,
         * though magic-aneg shouldn't prevent this case from occurring