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>

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);
 	}
 }