diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/hub.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 7a2514322bfd..4ffc3d1bd9e7 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3083,8 +3083,14 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, goto fail; } - if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) - usb_get_bos_descriptor(udev); + if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) { + retval = usb_get_bos_descriptor(udev); + if (!retval) { + if (udev->bos->ext_cap && (USB_LPM_SUPPORT & + le32_to_cpu(udev->bos->ext_cap->bmAttributes))) + udev->lpm_capable = 1; + } + } retval = 0; /* notify HCD that we have a device connected and addressed */ |