Messages in this thread Patch in this message | | | From | Lin Ming <> | Subject | [PATCH v3 3/6] [SCSI] runtime resume device before system suspend | Date | Wed, 23 Nov 2011 15:01:23 +0800 |
| |
From: Alan Stern <stern@rowland.harvard.edu>
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@intel.com> ---
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
| |