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-rw-r--r--drivers/scsi/scsi_pm.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index a633076e562..bf8bf79e6a1 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -72,8 +72,17 @@ static int scsi_bus_resume_common(struct device *dev)
72{ 72{
73 int err = 0; 73 int err = 0;
74 74
75 if (scsi_is_sdev_device(dev)) 75 if (scsi_is_sdev_device(dev)) {
76 /*
77 * Parent device may have runtime suspended as soon as
78 * it is woken up during the system resume.
79 *
80 * Resume it on behalf of child.
81 */
82 pm_runtime_get_sync(dev->parent);
76 err = scsi_dev_type_resume(dev); 83 err = scsi_dev_type_resume(dev);
84 pm_runtime_put_sync(dev->parent);
85 }
77 86
78 if (err == 0) { 87 if (err == 0) {
79 pm_runtime_disable(dev); 88 pm_runtime_disable(dev);