diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 7602eceb5403..e41d04b83b82 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2100,6 +2100,12 @@ void usb_disconnect(struct usb_device **pdev) dev_info(&udev->dev, "USB disconnect, device number %d\n", udev->devnum); + /* + * Ensure that the pm runtime code knows that the USB device + * is in the process of being disconnected. + */ + pm_runtime_barrier(&udev->dev); + usb_lock_device(udev); hub_disconnect_children(udev); @@ -4163,7 +4169,7 @@ static void hub_set_initial_usb2_lpm_policy(struct usb_device *udev) struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); int connect_type = USB_PORT_CONNECT_TYPE_UNKNOWN; - if (!udev->usb2_hw_lpm_capable) + if (!udev->usb2_hw_lpm_capable || !udev->bos) return; if (hub) |