[SCSI] lpfc 8.3.0 : Add support for Power Management Suspend/Resume operations

Implement lpfc_pci_suspend_one() and lpfc_pci_resume_one() and
register them in the pci_driver table.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 65fddf4ac3cf..58ed6859c921 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -585,20 +585,25 @@ lpfc_do_work(void *p)
         set_user_nice(current, -20);
         phba->data_flags = 0;
 
-        while (1) {
+        while (!kthread_should_stop()) {
                 /* wait and check worker queue activities */
                 rc = wait_event_interruptible(phba->work_waitq,
                                         (test_and_clear_bit(LPFC_DATA_READY,
                                                             &phba->data_flags)
                                          || kthread_should_stop()));
-                BUG_ON(rc);
-
-                if (kthread_should_stop())
+                /* Signal wakeup shall terminate the worker thread */
+                if (rc) {
+                        lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
+                                        "0433 Wakeup on signal: rc=x%x\n", rc);
                         break;
+                }
 
                 /* Attend pending lpfc data processing */
                 lpfc_work_done(phba);
         }
+        phba->worker_thread = NULL;
+        lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
+                        "0432 Worker thread stopped.\n");
         return 0;
 }