diff options
| author | Michael Chan <mchan@broadcom.com> | 2008-05-02 16:56:16 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-02 16:56:16 -0700 |
| commit | 74ecc62d6e595ca64bbef2471787bf53b94e5d3c (patch) | |
| tree | b9e8be132291f739a726f5329c094afce04c5702 /drivers/net | |
| parent | ae4f8fca4030a4e783fa4ccb0c9d8d8a8cf60a32 (diff) | |
bnx2: Refine remote PHY locking.
bnx2_set_remote_link() should be called under bp->phy_lock to protect
against concurrent polling and interrupt calls. This change is needed
by the next patch which will add one initial poll of the remote PHY
link status.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/bnx2.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 861387928e6..506c5ccd715 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -1717,7 +1717,6 @@ bnx2_remote_phy_event(struct bnx2 *bp) break; } - spin_lock(&bp->phy_lock); bp->flow_ctrl = 0; if ((bp->autoneg & (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) != (AUTONEG_SPEED | AUTONEG_FLOW_CTRL)) { @@ -1739,7 +1738,6 @@ bnx2_remote_phy_event(struct bnx2 *bp) if (old_port != bp->phy_port) bnx2_set_default_link(bp); - spin_unlock(&bp->phy_lock); } if (bp->link_up != link_up) bnx2_report_link(bp); @@ -2447,14 +2445,15 @@ bnx2_phy_event_is_set(struct bnx2 *bp, struct bnx2_napi *bnapi, u32 event) static void bnx2_phy_int(struct bnx2 *bp, struct bnx2_napi *bnapi) { - if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) { - spin_lock(&bp->phy_lock); + spin_lock(&bp->phy_lock); + + if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_LINK_STATE)) bnx2_set_link(bp); - spin_unlock(&bp->phy_lock); - } if (bnx2_phy_event_is_set(bp, bnapi, STATUS_ATTN_BITS_TIMER_ABORT)) bnx2_set_remote_link(bp); + spin_unlock(&bp->phy_lock); + } static inline u16 |