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authorAaron Lu <aaron.lu@intel.com>2012-11-09 11:27:52 +0400
committerJames Bottomley <JBottomley@Parallels.com>2012-11-30 13:24:43 +0400
commit63347905dbc105bf4921c5e24e128b5819b74c9f (patch)
treedd95016c962f9612b9006c692d6f25f65206ceaf /drivers/scsi/scsi_pm.c
parenta01475637c70a4a484dd315a90bf2df518f07705 (diff)
downloadlinux-63347905dbc105bf4921c5e24e128b5819b74c9f.tar.xz
[SCSI] Revert "[SCSI] scsi_pm: set device runtime state before parent suspended"
This reverts commit 33a2285d96b5e7b9500612ec623bf4313397bb53. With commit 88d26136a256576e444db312179e17af6dd0ea87 (PM: Prevent runtime suspend during system resume), this patch is no longer needed. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/scsi_pm.c')
-rw-r--r--drivers/scsi/scsi_pm.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index dc0ad85853e2..d4201ded3b22 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -76,24 +76,23 @@ static int scsi_bus_resume_common(struct device *dev)
{
int err = 0;
- /*
- * Parent device may have runtime suspended as soon as
- * it is woken up during the system resume.
- *
- * Resume it on behalf of child.
- */
- pm_runtime_get_sync(dev->parent);
-
- if (scsi_is_sdev_device(dev))
+ if (scsi_is_sdev_device(dev)) {
+ /*
+ * Parent device may have runtime suspended as soon as
+ * it is woken up during the system resume.
+ *
+ * Resume it on behalf of child.
+ */
+ pm_runtime_get_sync(dev->parent);
err = scsi_dev_type_resume(dev);
+ pm_runtime_put_sync(dev->parent);
+ }
+
if (err == 0) {
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
}
-
- pm_runtime_put_sync(dev->parent);
-
return err;
}