From: Matt Carlson <mcarlson@broadcom.com>
Date: Mon, 13 Feb 2012 15:20:10 +0000 (+0000)
Subject: tg3: Fix copper autoneg adv checks
X-Git-Tag: firefly_0821_release~3680^2~3338^2~302
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3198e07fd64aa8c3a38dda33bcc0f44265eb581e;p=firefly-linux-kernel-4.4.55.git

tg3: Fix copper autoneg adv checks

When checking the autoneg advertisements, the driver failed to include
the master and master enable bits for the bcm5701.  This patch fixes the
problem.

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

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 4a0b9af71238..cb17885cad47 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -4027,7 +4027,16 @@ static bool tg3_phy_copper_an_config_ok(struct tg3 *tp, u32 *lcladv)
 		if (tg3_readphy(tp, MII_CTRL1000, &tg3_ctrl))
 			return false;
 
-		tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		if (tgtadv &&
+		    (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
+		     tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)) {
+			tgtadv |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
+			tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL |
+				     CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
+		} else {
+			tg3_ctrl &= (ADVERTISE_1000HALF | ADVERTISE_1000FULL);
+		}
+
 		if (tg3_ctrl != tgtadv)
 			return false;
 	}