diff mbox series

[v2,08/15] scsi: hisi_sas: Add more logs for runtime suspend/resume

Message ID 1639999298-244569-9-git-send-email-chenxiang66@hisilicon.com (mailing list archive)
State Accepted
Headers show
Series Add runtime PM support for libsas | expand

Commit Message

chenxiang Dec. 20, 2021, 11:21 a.m. UTC 
From: Xiang Chen <chenxiang66@hisilicon.com>

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

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Acked-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 63059fb6d9ec..6d7fde38fe02 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -4904,6 +4904,8 @@  static int _suspend_v3_hw(struct device *device)
 	if (test_and_set_bit(HISI_SAS_RESETTING_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);
@@ -4919,11 +4921,11 @@  static int _suspend_v3_hw(struct device *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;
 }
 
@@ -4961,6 +4963,8 @@  static int _resume_v3_hw(struct device *device)
 	sas_resume_ha_no_sync(sha);
 	clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
 
+	dev_warn(dev, "end of resuming controller\n");
+
 	return 0;
 }