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-rw-r--r--drivers/net/bnx2.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 471c7f3e8a4a..2fa258050968 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -1273,14 +1273,20 @@ bnx2_set_link(struct bnx2 *bp)
if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
(CHIP_NUM(bp) == CHIP_NUM_5706)) {
- u32 val;
+ u32 val, an_dbg;
if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
bnx2_5706s_force_link_dn(bp, 0);
bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
}
val = REG_RD(bp, BNX2_EMAC_STATUS);
- if (val & BNX2_EMAC_STATUS_LINK)
+
+ bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
+ bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
+ bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
+
+ if ((val & BNX2_EMAC_STATUS_LINK) &&
+ !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
bmsr |= BMSR_LSTATUS;
else
bmsr &= ~BMSR_LSTATUS;
@@ -5390,13 +5396,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
int check_link = 1;
spin_lock(&bp->phy_lock);
- if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
- bnx2_5706s_force_link_dn(bp, 0);
- bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
- spin_unlock(&bp->phy_lock);
- return;
- }
-
if (bp->serdes_an_pending) {
bp->serdes_an_pending--;
check_link = 0;
@@ -5420,7 +5419,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
(bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
u32 phy2;
- check_link = 0;
bnx2_write_phy(bp, 0x17, 0x0f01);
bnx2_read_phy(bp, 0x15, &phy2);
if (phy2 & 0x20) {
@@ -5435,17 +5433,21 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
} else
bp->current_interval = bp->timer_interval;
- if (bp->link_up && (bp->autoneg & AUTONEG_SPEED) && check_link) {
+ if (check_link) {
u32 val;
bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
- if (val & MISC_SHDW_AN_DBG_NOSYNC) {
- bnx2_5706s_force_link_dn(bp, 1);
- bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
- }
+ if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
+ if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
+ bnx2_5706s_force_link_dn(bp, 1);
+ bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
+ } else
+ bnx2_set_link(bp);
+ } else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
+ bnx2_set_link(bp);
}
spin_unlock(&bp->phy_lock);
}