diff options
Diffstat (limited to 'drivers/usb/core/generic.c')
| -rw-r--r-- | drivers/usb/core/generic.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index 83c14dda6300..bc8242bc4564 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -210,8 +210,13 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg) if (!udev->parent) rc = hcd_bus_suspend(udev, msg); - /* Non-root devices don't need to do anything for FREEZE or PRETHAW */ - else if (msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_PRETHAW) + /* + * Non-root USB2 devices don't need to do anything for FREEZE + * or PRETHAW. USB3 devices don't support global suspend and + * needs to be selectively suspended. + */ + else if ((msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_PRETHAW) + && (udev->speed < USB_SPEED_SUPER)) rc = 0; else rc = usb_port_suspend(udev, msg); |