[src/trunk]: src/sys/dev/usb Replace num of TRBs with xr->xr_ntrb. From t-hash.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8ba56f8f1769
branches:  trunk
changeset: 345701:8ba56f8f1769
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Jun 05 08:10:59 2016 +0000

description:
Replace num of TRBs with xr->xr_ntrb.  From t-hash.

diffstat:

 sys/dev/usb/xhci.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 4434564573ef -r 8ba56f8f1769 sys/dev/usb/xhci.c
--- a/sys/dev/usb/xhci.c        Sun Jun 05 08:05:27 2016 +0000
+++ b/sys/dev/usb/xhci.c        Sun Jun 05 08:10:59 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: xhci.c,v 1.51 2016/06/05 08:05:27 skrll Exp $  */
+/*     $NetBSD: xhci.c,v 1.52 2016/06/05 08:10:59 skrll Exp $  */
 
 /*
  * Copyright (c) 2013 Jonathan A. Kollasch
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.51 2016/06/05 08:05:27 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.52 2016/06/05 08:10:59 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -1031,7 +1031,7 @@
        struct xhci_erste *erst;
        erst = KERNADDR(&sc->sc_eventst_dma, 0);
        erst[0].erste_0 = htole64(xhci_ring_trbp(&sc->sc_er, 0));
-       erst[0].erste_2 = htole32(XHCI_EVENT_RING_TRBS);
+       erst[0].erste_2 = htole32(sc->sc_er.xr_ntrb);
        erst[0].erste_3 = htole32(0);
        usb_syncmem(&sc->sc_eventst_dma, 0,
            XHCI_ERSTE_SIZE * XHCI_EVENT_RING_SEGMENTS, BUS_DMASYNC_PREWRITE);
@@ -1857,7 +1857,7 @@
                xhci_handle_event(sc, trb);
 
                i++;
-               if (i == XHCI_EVENT_RING_TRBS) {
+               if (i == er->xr_ntrb) {
                        i = 0;
                        j ^= 1;
                }