diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2022-10-18 13:29:56 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-10-22 03:25:59 +0000 |
| commit | 1a547cbc6fdd07992f915a614a3f7ba3fccef8fb (patch) | |
| tree | cd5b2a7a3e3b134600c65ea5ae6265716714af14 /drivers | |
| parent | 579a4e9dbd53978cad8df88dc612837cdd210ce0 (diff) | |
scsi: ufs: Track system suspend / resume activity
Add a new boolean variable that tracks whether the system is suspending,
suspended or resuming. This information will be used in a later commit to
fix a deadlock between the SCSI error handler and the suspend code.
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221018202958.1902564-9-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ufs/core/ufshcd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 84ca17d29898..2a32bcc93d2e 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -9247,6 +9247,7 @@ static int ufshcd_wl_suspend(struct device *dev) hba = shost_priv(sdev->host); down(&hba->host_sem); + hba->system_suspending = true; if (pm_runtime_suspended(dev)) goto out; @@ -9288,6 +9289,7 @@ out: hba->curr_dev_pwr_mode, hba->uic_link_state); if (!ret) hba->is_sys_suspended = false; + hba->system_suspending = false; up(&hba->host_sem); return ret; } |