If the device is using autosuspend, when scsi_autopm_put_device is
called for it, use autosuspend runtime pm calls instead of the sync
call.
Signed-off-by: Aaron Lu <aaron.lu@xxxxxxx>
---
drivers/scsi/scsi_pm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index d4201de..a002fbf 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -196,7 +196,12 @@ EXPORT_SYMBOL_GPL(scsi_autopm_get_device);
void scsi_autopm_put_device(struct scsi_device *sdev)
{
- pm_runtime_put_sync(&sdev->sdev_gendev);
+ if (sdev->sdev_gendev.power.use_autosuspend) {
+ pm_runtime_mark_last_busy(&sdev->sdev_gendev);
+ pm_runtime_put_autosuspend(&sdev->sdev_gendev);
+ } else {
+ pm_runtime_put_sync(&sdev->sdev_gendev);
+ }
}
EXPORT_SYMBOL_GPL(scsi_autopm_put_device);
--
1.7.11.3
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