usb: set root hub lane counts (a2d49572) · Commits · 戴 / test

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:

drivers/usb/core/hcd.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2793,6 +2793,9 @@ 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;
		@@ -2807,6 +2810,8 @@ 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;