From: Xiang Chen <chenxiang66@hisilicon.com>
Date: Mon, 20 Dec 2021 19:21:31 +0800
Subject: scsi: hisi_sas: Add more logs for runtime suspend/resume
Git-commit: 97f4100939844a6381ba61b99d6d2b1f2fccb79f
Patch-mainline: v5.17-rc1
References: bsc#1198802

Add some logs at the beginning and end of suspend/resume.

[lduncan: patch refreshed to apply correctly.]

Link: https://lore.kernel.org/r/1639999298-244569-9-git-send-email-chenxiang66@hisilicon.com
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -4899,6 +4899,8 @@ static int _suspend_v3_hw(struct device
 	if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
 		return -1;
 
+	dev_warn(dev, "entering suspend state\n");
+
 	scsi_block_requests(shost);
 	set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
 	flush_workqueue(hisi_hba->wq);
@@ -4914,11 +4916,11 @@ static int _suspend_v3_hw(struct device
 
 	hisi_sas_init_mem(hisi_hba);
 
-	dev_warn(dev, "entering suspend state\n");
-
 	hisi_sas_release_tasks(hisi_hba);
 
 	sas_suspend_ha(sha);
+
+	dev_warn(dev, "end of suspending controller\n");
 	return 0;
 }
 
@@ -4956,6 +4958,8 @@ static int _resume_v3_hw(struct device *
 	sas_resume_ha_no_sync(sha);
 	clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
 
+	dev_warn(dev, "end of resuming controller\n");
+
 	return 0;
 }