From 46803388da779ef7379d31a03a0a456034f8af9c Mon Sep 17 00:00:00 2001
From: Saurav Kashyap <saurav.kashyap@qlogic.com>
Date: Fri, 18 Nov 2011 09:02:09 -0800
Subject: [PATCH] --- yaml --- r: 276807 b: refs/heads/master c:
 ad537689c30d8e35300dcc93a109a966b8a89478 h: refs/heads/master i:   276805:
 fa8b75715e99f08856fd18c58fed9272ad03d5b6   276803:
 22436faf3582f3f0d1e84db6ea2428e9abbccad6   276799:
 c0aa65c68afcab36c7d40b3797d3aef4b781e803 v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/scsi/qla2xxx/qla_os.c | 70 ++---------------------------
 2 files changed, 5 insertions(+), 67 deletions(-)

diff --git a/[refs] b/[refs]
index 7881a64f6f75..3f64078eb8e3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f6a290b419a2675c4b77a6b0731cd2a64332365e
+refs/heads/master: ad537689c30d8e35300dcc93a109a966b8a89478
diff --git a/trunk/drivers/scsi/qla2xxx/qla_os.c b/trunk/drivers/scsi/qla2xxx/qla_os.c
index fd14c7bfc626..93673d3094e8 100644
--- a/trunk/drivers/scsi/qla2xxx/qla_os.c
+++ b/trunk/drivers/scsi/qla2xxx/qla_os.c
@@ -814,49 +814,6 @@ qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 	return return_status;
 }
 
-/*
- * qla2x00_wait_for_loop_ready
- *    Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
- *    to be in LOOP_READY state.
- * Input:
- *     ha - pointer to host adapter structure
- *
- * Note:
- *    Does context switching-Release SPIN_LOCK
- *    (if any) before calling this routine.
- *
- *
- * Return:
- *    Success (LOOP_READY) : 0
- *    Failed  (LOOP_NOT_READY) : 1
- */
-static inline int
-qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha)
-{
-	int 	 return_status = QLA_SUCCESS;
-	unsigned long loop_timeout ;
-	struct qla_hw_data *ha = vha->hw;
-	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
-
-	/* wait for 5 min at the max for loop to be ready */
-	loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-
-	while ((!atomic_read(&base_vha->loop_down_timer) &&
-	    atomic_read(&base_vha->loop_state) == LOOP_DOWN) ||
-	    atomic_read(&base_vha->loop_state) != LOOP_READY) {
-		if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-		msleep(1000);
-		if (time_after_eq(jiffies, loop_timeout)) {
-			return_status = QLA_FUNCTION_FAILED;
-			break;
-		}
-	}
-	return (return_status);
-}
-
 static void
 sp_get(struct srb *sp)
 {
@@ -1035,12 +992,6 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
 		    "Wait for hba online failed for cmd=%p.\n", cmd);
 		goto eh_reset_failed;
 	}
-	err = 1;
-	if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) {
-		ql_log(ql_log_warn, vha, 0x800b,
-		    "Wait for loop ready failed for cmd=%p.\n", cmd);
-		goto eh_reset_failed;
-	}
 	err = 2;
 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
 		!= QLA_SUCCESS) {
@@ -1137,10 +1088,9 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 		goto eh_bus_reset_done;
 	}
 
-	if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) {
-		if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
-			ret = SUCCESS;
-	}
+	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
+		ret = SUCCESS;
+
 	if (ret == FAILED)
 		goto eh_bus_reset_done;
 
@@ -1206,15 +1156,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
 		goto eh_host_reset_lock;
 
-	/*
-	 * Fixme-may be dpc thread is active and processing
-	 * loop_resync,so wait a while for it to
-	 * be completed and then issue big hammer.Otherwise
-	 * it may cause I/O failure as big hammer marks the
-	 * devices as lost kicking of the port_down_timer
-	 * while dpc is stuck for the mailbox to complete.
-	 */
-	qla2x00_wait_for_loop_ready(vha);
 	if (vha != base_vha) {
 		if (qla2x00_vp_abort_isp(vha))
 			goto eh_host_reset_lock;
@@ -1297,16 +1238,13 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 		atomic_set(&vha->loop_state, LOOP_DOWN);
 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 		qla2x00_mark_all_devices_lost(vha, 0);
-		qla2x00_wait_for_loop_ready(vha);
 	}
 
 	if (ha->flags.enable_lip_reset) {
 		ret = qla2x00_lip_reset(vha);
-		if (ret != QLA_SUCCESS) {
+		if (ret != QLA_SUCCESS)
 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
 			    "lip_reset failed (%d).\n", ret);
-		} else
-			qla2x00_wait_for_loop_ready(vha);
 	}
 
 	/* Issue marker command only when we are going to start the I/O */