net: bgmac: Remove superflous netif_carrier_on()

commit 3894396e upstream.

bgmac_open() calls phy_start() to initialize the PHY state machine,
which will set the interface's carrier state accordingly, no need to
force that as this could be conflicting with the PHY state determined by
PHYLIB.

Fixes: dd4544f0 ("bgmac: driver for GBit MAC core on BCMA bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/net/ethernet/broadcom/bgmac.c

@@ -1198,8 +1198,6 @@ static int bgmac_open(struct net_device *net_dev)
 
 	phy_start(bgmac->phy_dev);
 
-	netif_carrier_on(net_dev);
-
 	netif_start_queue(net_dev);
 
 err_out: