From: Yaniv Rosner <yanivr@broadcom.com>
Date: Tue, 17 Jan 2012 02:33:29 +0000 (+0000)
Subject: bnx2x: Disable AN KR work-around for BCM57810
X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~512
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d6fe023e5ad9d8ab8d2448943734a78dfdf21485;p=users%2Fjedix%2Flinux-maple.git

bnx2x: Disable AN KR work-around for BCM57810

Disable the work-around for the autoneg KR of the BCM57810 in case the Warpcore version is 0xD108 and above, which fixes this problem.

(cherry picked from commit 6ab48a5c86ce778188c173818cb2f1644526e962)
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>
---

diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index 9da9f2b8306f..48ecefbbd98f 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -3757,7 +3757,15 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 	/* Advertise pause */
 	bnx2x_ext_phy_set_pause(params, phy, vars);
 
-	vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
+	/*
+	 * Set KR Autoneg Work-Around flag for Warpcore version older than D108
+	 */
+	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+			MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
+	if (val16 < 0xd108) {
+		DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
+		vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
+	}
 
 	bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
 			MDIO_WC_REG_DIGITAL5_MISC7, &val16);