From: Eilon Greenstein <eilong@broadcom.com>
Date: Mon, 25 Aug 2008 22:22:46 +0000 (-0700)
Subject: bnx2x: Minimize lock time
X-Git-Tag: firefly_0821_release~18041^2~45
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=76b190c592d952b37227f057a14f39e316754156;p=firefly-linux-kernel-4.4.55.git

bnx2x: Minimize lock time

After iSCSI boot, the HW lock should only protect the flag so only the
first function will reset the chip and not then entire chip reset
process

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 2e207b8eea97..9972d0c02677 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -6824,6 +6824,10 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
 		 */
 		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
 		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
+		if (val == 0x7)
+			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
+		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
+
 		if (val == 0x7) {
 			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
 			/* save our func */
@@ -6901,7 +6905,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
 			       (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
 				DRV_MSG_SEQ_NUMBER_MASK);
 		}
-		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
 	}
 }