aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/driver.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index ba5bbc7eedc..3f734240e0e 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1112,7 +1112,12 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
usb_hcd_flush_endpoint(udev, udev->ep_out[i]);
usb_hcd_flush_endpoint(udev, udev->ep_in[i]);
}
- if (parent)
+
+ /* If this is just a FREEZE or a PRETHAW, udev might
+ * not really be suspended. Only true suspends get
+ * propagated up the device tree.
+ */
+ if (parent && udev->state == USB_STATE_SUSPENDED)
usb_autosuspend_device(parent);
}