USB: host: xhci: use max-port define
authorJohan Hovold <johan@kernel.org>
Wed, 10 May 2017 16:18:30 +0000 (18:18 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 May 2017 09:53:02 +0000 (11:53 +0200)
Use the new define for the maximum number of SuperSpeed ports instead of
a constant when allocating xHCI root hubs.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-mem.c

index bbe22bc..69428e9 100644 (file)
@@ -2307,10 +2307,11 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags)
        /* Place limits on the number of roothub ports so that the hub
         * descriptors aren't longer than the USB core will allocate.
         */
-       if (xhci->num_usb3_ports > 15) {
+       if (xhci->num_usb3_ports > USB_SS_MAXPORTS) {
                xhci_dbg_trace(xhci, trace_xhci_dbg_init,
-                               "Limiting USB 3.0 roothub ports to 15.");
-               xhci->num_usb3_ports = 15;
+                               "Limiting USB 3.0 roothub ports to %u.",
+                               USB_SS_MAXPORTS);
+               xhci->num_usb3_ports = USB_SS_MAXPORTS;
        }
        if (xhci->num_usb2_ports > USB_MAXCHILDREN) {
                xhci_dbg_trace(xhci, trace_xhci_dbg_init,