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authorYaniv Rosner <yanivr@broadcom.com>2012-01-17 02:33:29 +0000
committerDavid S. Miller <davem@davemloft.net>2012-01-17 10:44:43 -0500
commit6ab48a5c86ce778188c173818cb2f1644526e962 (patch)
tree8314fc3ad439337e655a675cd01ab0aec9efba75
parent096b9527db77defb2501509f2517d2ab24300d9c (diff)
downloadlinux-6ab48a5c86ce778188c173818cb2f1644526e962.tar.gz
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. 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>
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index a6c48d61081..2091e5dbbcd 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -3763,7 +3763,15 @@ 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);