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authorVladislav Zolotarov <vladz@broadcom.com>2010-04-19 05:15:08 +0400
committerDavid S. Miller <davem@davemloft.net>2010-04-20 00:17:12 +0400
commitd9e8b185a9aef1553c26fcffc92b18db31f79e08 (patch)
treedc40df269a0f6c54cbc9b5dc9c3d070755fde828
parentd3dbfee0d5ee4690824cbc5685bc9fe47a12bb8b (diff)
downloadlinux-d9e8b185a9aef1553c26fcffc92b18db31f79e08.tar.xz
bnx2x: Don't report link down if has been already down
Author: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/bnx2x_main.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index c4bc006f5104..ee90835fc393 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -2458,6 +2458,7 @@ static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func)
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
+ u32 prev_link_status = bp->link_vars.link_status;
/* Make sure that we are synced with the current statistics */
bnx2x_stats_handle(bp, STATS_EVENT_STOP);
@@ -2490,8 +2491,9 @@ static void bnx2x_link_attn(struct bnx2x *bp)
bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
}
- /* indicate link status */
- bnx2x_link_report(bp);
+ /* indicate link status only if link status actually changed */
+ if (prev_link_status != bp->link_vars.link_status)
+ bnx2x_link_report(bp);
if (IS_E1HMF(bp)) {
int port = BP_PORT(bp);