diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/core/hub.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 8fb754916c67..93720bdc9efd 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2285,7 +2285,17 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) } /* see 7.1.7.6 */ - status = set_port_feature(hub->hdev, port1, USB_PORT_FEAT_SUSPEND); + /* Clear PORT_POWER if it's a USB3.0 device connected to USB 3.0 + * external hub. + * FIXME: this is a temporary workaround to make the system able + * to suspend/resume. + */ + if ((hub->hdev->parent != NULL) && hub_is_superspeed(hub->hdev)) + status = clear_port_feature(hub->hdev, port1, + USB_PORT_FEAT_POWER); + else + status = set_port_feature(hub->hdev, port1, + USB_PORT_FEAT_SUSPEND); if (status) { dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n", port1, status); |