3c59x: fix duplex configuration

A special sequence of ifconfig up/down and plug/unplug the cable can break
the duplex configuration of the driver.

Setting
vp->mii.full_duplex = vp->full_duplex
in vortex_up should fix this.

Addresses Bug 8575 3c59x duplex configuration broken
http://bugzilla.kernel.org/show_bug.cgi?id=8575

Cc: Martin Buck <mb-tmp-ohtmvyyn.xreary.bet@gromit.dyndns.org>
Signed-off-by: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Cc: Natalie Protasevich <protasnb@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 001c66d..a8c0f43 100644 (file)
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1555,6 +1555,7 @@ vortex_up(struct net_device *dev)
                mii_reg1 = mdio_read(dev, vp->phys[0], MII_BMSR);
                mii_reg5 = mdio_read(dev, vp->phys[0], MII_LPA);
                vp->partner_flow_ctrl = ((mii_reg5 & 0x0400) != 0);
+               vp->mii.full_duplex = vp->full_duplex;
 
                vortex_check_media(dev, 1);
        }