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path: root/drivers/usb/core/hub.c
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Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 9b3f16bd12c..b19cbfcd51d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -659,6 +659,9 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func2);
schedule_delayed_work(&hub->init_work,
msecs_to_jiffies(delay));
+
+ /* Suppress autosuspend until init is done */
+ to_usb_interface(hub->intfdev)->pm_usage_cnt = 1;
return; /* Continues at init2: below */
} else {
hub_power_on(hub, true);
@@ -1429,6 +1432,7 @@ void usb_disconnect(struct usb_device **pdev)
*/
dev_dbg (&udev->dev, "unregistering device\n");
usb_disable_device(udev, 0);
+ usb_hcd_synchronize_unlinks(udev);
usb_unlock_device(udev);