From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
scsi device runtime PM is using PMSG_SUSPEND. System PM may use other state
that may not be compatiable with PMSG_SUSPEND.
So we need to runtime resume the device before system suspend.
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
---
Alan,
Could you add your Signed-off-by?
Free free to change the commit logs.
drivers/scsi/scsi_pm.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index d329f8b..549ea72 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -49,8 +49,10 @@ static int scsi_bus_suspend_common(struct device *dev, pm_message_t msg)
{
int err = 0;
- if (scsi_is_sdev_device(dev))
+ if (scsi_is_sdev_device(dev)) {
+ pm_runtime_resume(dev);
err = scsi_dev_type_suspend(dev, msg);
+ }
return err;
}
--
1.7.2.5
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