Commit ff18ff02 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[TG3]: Fix PHY loopback on 5700 



Fix PHY loopback failure on some 5700 devices.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6728a8e2

drivers/net/tg3.c

+4 −1
Original line number Diff line number Diff line
@@ -8399,8 +8399,11 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) 
		}

		mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |

			   MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII;

		if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)

		if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {

			mac_mode &= ~MAC_MODE_LINK_POLARITY;

			tg3_writephy(tp, MII_TG3_EXT_CTRL,

				     MII_TG3_EXT_CTRL_LNK3_LED_MODE);

		}

		tw32(MAC_MODE, mac_mode);

	}

	else