Set the the rx_lane and tx_lane count to "2" for USB 3.2 hosts. For all other older hosts set the default lane counts to 1
Signed-off-by: Mathias Nyman <[email protected]> --- drivers/usb/core/hcd.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index b1463aa..09a6774 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2814,6 +2814,9 @@ int usb_add_hcd(struct usb_hcd *hcd, hcd->self.root_hub = rhdev; mutex_unlock(&usb_port_peer_mutex); + rhdev->rx_lanes = 1; + rhdev->tx_lanes = 1; + switch (hcd->speed) { case HCD_USB11: rhdev->speed = USB_SPEED_FULL; @@ -2828,6 +2831,8 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->speed = USB_SPEED_SUPER; break; case HCD_USB32: + rhdev->rx_lanes = 2; + rhdev->tx_lanes = 2; case HCD_USB31: rhdev->speed = USB_SPEED_SUPER_PLUS; break; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
