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path: root/drivers/usb/core/hcd.c
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Diffstat (limited to 'drivers/usb/core/hcd.c')
-rw-r--r--drivers/usb/core/hcd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index be5b2074f906..cbcd0920fb51 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd)
1022 dev_name(&usb_dev->dev), retval); 1022 dev_name(&usb_dev->dev), retval);
1023 return (retval < 0) ? retval : -EMSGSIZE; 1023 return (retval < 0) ? retval : -EMSGSIZE;
1024 } 1024 }
1025 if (usb_dev->speed == USB_SPEED_SUPER) { 1025
1026 if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) {
1026 retval = usb_get_bos_descriptor(usb_dev); 1027 retval = usb_get_bos_descriptor(usb_dev);
1027 if (retval < 0) { 1028 if (!retval) {
1029 usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev);
1030 } else if (usb_dev->speed == USB_SPEED_SUPER) {
1028 mutex_unlock(&usb_bus_list_lock); 1031 mutex_unlock(&usb_bus_list_lock);
1029 dev_dbg(parent_dev, "can't read %s bos descriptor %d\n", 1032 dev_dbg(parent_dev, "can't read %s bos descriptor %d\n",
1030 dev_name(&usb_dev->dev), retval); 1033 dev_name(&usb_dev->dev), retval);