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

Message ID 201106141433.19525.vladz@broadcom.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Vladislav Zolotarov June 14, 2011, 11:33 a.m. UTC 
From: 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>
---
 drivers/net/bnx2x/bnx2x_main.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
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Patch

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? */
 		}