usb: host: xhci: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ee077a21dfda128a82a5509f73e260801d608063..05db6e977ba19a03f5c6bfac024e72b73b811a4c 100644 (file)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4294,6 +4294,7 @@ static unsigned long long xhci_calculate_intel_u1_timeout(
                        break;
                }
                /* Otherwise the calculation is the same as isoc eps */
+               /* fall through */
        case USB_ENDPOINT_XFER_ISOC:
                timeout_ns = xhci_service_interval_to_ns(desc);
                timeout_ns = DIV_ROUND_UP_ULL(timeout_ns * 105, 100);