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authorXiang Chen <chenxiang66@hisilicon.com>2021-12-20 14:21:31 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2021-12-23 07:38:30 +0300
commit97f4100939844a6381ba61b99d6d2b1f2fccb79f (patch)
treeeecc52f0320886169aef7e827cea58ff2f1fd749 /drivers/scsi/hisi_sas
parente31e18128eb9dbcda8c169cb33421ae4813afa71 (diff)
downloadlinux-97f4100939844a6381ba61b99d6d2b1f2fccb79f.tar.xz
scsi: hisi_sas: Add more logs for runtime suspend/resume
Add some logs at the beginning and end of suspend/resume. 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>
Diffstat (limited to 'drivers/scsi/hisi_sas')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v3_hw.c8
1 files changed, 6 insertions, 2 deletions
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;
}