diff options
| author | Eilon Greenstein | 2009-01-15 06:26:01 +0100 |
|---|---|---|
| committer | David S. Miller | 2009-01-15 17:28:12 +0100 |
| commit | a5e9a7cfad5fd301ce2b7869bbf386b70aa39e7c (patch) | |
| tree | c9df5d842741db2beae2c515df9214aabd8ab4cb /drivers/net/bnx2x_main.c | |
| parent | bnx2x: Flow control updated before reporting the link (diff) | |
| download | kernel-qcow2-linux-a5e9a7cfad5fd301ce2b7869bbf386b70aa39e7c.tar.gz kernel-qcow2-linux-a5e9a7cfad5fd301ce2b7869bbf386b70aa39e7c.tar.xz kernel-qcow2-linux-a5e9a7cfad5fd301ce2b7869bbf386b70aa39e7c.zip | |
bnx2x: Protecting the link change indication
Without this lock, in some race conditions the driver missed link
change indication
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 4f1ee1f2968c..701bcc1260c2 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -2234,9 +2234,7 @@ static void bnx2x_link_attn(struct bnx2x *bp) /* Make sure that we are synced with the current statistics */ bnx2x_stats_handle(bp, STATS_EVENT_STOP); - bnx2x_acquire_phy_lock(bp); bnx2x_link_update(&bp->link_params, &bp->link_vars); - bnx2x_release_phy_lock(bp); if (bp->link_vars.link_up) { @@ -2485,6 +2483,8 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) if (asserted & ATTN_HARD_WIRED_MASK) { if (asserted & ATTN_NIG_FOR_FUNC) { + bnx2x_acquire_phy_lock(bp); + /* save nig interrupt mask */ bp->nig_mask = REG_RD(bp, nig_int_mask_addr); REG_WR(bp, nig_int_mask_addr, 0); @@ -2540,8 +2540,10 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) REG_WR(bp, hc_addr, asserted); /* now set back the mask */ - if (asserted & ATTN_NIG_FOR_FUNC) + if (asserted & ATTN_NIG_FOR_FUNC) { REG_WR(bp, nig_int_mask_addr, bp->nig_mask); + bnx2x_release_phy_lock(bp); + } } static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) |