Merge branch 'for-linus' of git://neil.brown.name/md

[pandora-kernel.git] / drivers / scsi / qla2xxx / qla_os.c

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fd14c7b..f9e5b85 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -201,12 +201,12 @@ MODULE_PARM_DESC(ql2xmdcapmask,
                "Set the Minidump driver capture mask level. "
                "Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 
-int ql2xmdenable;
+int ql2xmdenable = 1;
 module_param(ql2xmdenable, int, S_IRUGO);
 MODULE_PARM_DESC(ql2xmdenable,
                "Enable/disable MiniDump. "
-               "0 (Default) - MiniDump disabled. "
-               "1 - MiniDump enabled.");
+               "0 - MiniDump disabled. "
+               "1 (Default) - MiniDump enabled.");
 
 /*
  * SCSI host template entry points
@@ -423,6 +423,7 @@ fail2:
        qla25xx_delete_queues(vha);
        destroy_workqueue(ha->wq);
        ha->wq = NULL;
+       vha->req = ha->req_q_map[0];
 fail:
        ha->mqenable = 0;
        kfree(ha->req_q_map);
@@ -814,49 +815,6 @@ 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 +993,6 @@ __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 +1089,9 @@ 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 +1157,6 @@ 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 +1239,13 @@ 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 */
@@ -4070,13 +4009,8 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
                /* For ISP82XX complete any pending mailbox cmd */
                if (IS_QLA82XX(ha)) {
                        ha->flags.isp82xx_fw_hung = 1;
-                       if (ha->flags.mbox_busy) {
-                               ha->flags.mbox_int = 1;
-                               ql_dbg(ql_dbg_aer, vha, 0x9001,
-                                   "Due to pci channel io frozen, doing premature "
-                                   "completion of mbx command.\n");
-                               complete(&ha->mbx_intr_comp);
-                       }
+                       ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
+                       qla82xx_clear_pending_mbx(vha);
                }
                qla2x00_free_irqs(vha);
                pci_disable_device(pdev);