From: Xiang Chen <chenxiang66@hisilicon.com> mainline inclusion from mainline-v5.17-rc1 commit 97f4100939844a6381ba61b99d6d2b1f2fccb79f category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4ZHSV CVE: NA https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/dr... -------------------------------- Add some logs at the beginning and end of suspend/resume. Link: https://lore.kernel.org/r/1639999298-244569-9-git-send-email-chenxiang66@his... 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> Signed-off-by: Fujai Ni<nifuijia1@hisilicon.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 ++++++-- 1 file 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 5b4168adfcc8..df3c8f2707a4 100644 --- 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 *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 *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 *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; } -- 2.20.1