netdev - [PATCH net-next 7/24] bnx2x: do not call link update without HW notification

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Message-ID: <201106141433.19525.vladz@broadcom.com>
Date:	Tue, 14 Jun 2011 14:33:19 +0300
From:	"Vlad Zolotarov" <vladz@...adcom.com>
To:	"Dave Miller" <davem@...emloft.net>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Eilon Greenstein" <eilong@...adcom.com>,
	"Dmitry Kravkov" <dmitry@...adcom.com>,
	"Yaniv Rosner" <yaniv.rosner@...adcom.com>
Subject: [PATCH net-next 7/24] bnx2x: do not call link update without HW
 notification

From: Yaniv Rosner <yanivr@...adcom.com>

Signed-off-by: Yaniv Rosner <yanivr@...adcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 drivers/net/bnx2x/bnx2x_main.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index e6439a3..0e8d302 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -2885,9 +2885,15 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
 
 			/* save nig interrupt mask */
 			nig_mask = REG_RD(bp, nig_int_mask_addr);
-			REG_WR(bp, nig_int_mask_addr, 0);
 
-			bnx2x_link_attn(bp);
+			/* If nig_mask is not set, no need to call the update
+			 * function.
+			 */
+			if (nig_mask) {
+				REG_WR(bp, nig_int_mask_addr, 0);
+
+				bnx2x_link_attn(bp);
+			}
 
 			/* handle unicore attn? */
 		}
-- 
1.7.2.2


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