Re: [PATCH v1 2/3] scsi: ufs: Cancel rpm_dev_flush_recheck_work during system suspend

From: Can Guo
Date: Sun Apr 25 2021 - 23:33:51 EST


On 2021-04-26 11:17, Daejun Park wrote:
Hi Can Guo,

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 7ab6b12..090b654 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -9058,11 +9058,12 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
if (!hba->is_powered)
return 0;

+ cancel_delayed_work_sync(&hba->rpm_dev_flush_recheck_work);
+
if ((ufs_get_pm_lvl_to_dev_pwr_mode(hba->spm_lvl) ==
hba->curr_dev_pwr_mode) &&
(ufs_get_pm_lvl_to_link_pwr_state(hba->spm_lvl) ==
- hba->uic_link_state) &&
- !hba->dev_info.b_rpm_dev_flush_capable)
I think it should not be removed.
It prevents power drain when runtime suspend and system suspend have same
power mode.


I will add it back in next ver.

Thanks,
Can Guo

Thanks,
Daejun