[src/trunk]: src/sys/dev/usb Apply De Morgan's law to the TD maximum transfer...

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

details:   https://anonhg.NetBSD.org/src/rev/9a3dfcfdc2ce
branches:  trunk
changeset: 821267:9a3dfcfdc2ce
user:      skrll <skrll%NetBSD.org@localhost>
date:      Mon Jan 30 21:32:39 2017 +0000

description:
Apply De Morgan's law to the TD maximum transfer length check logic and
wrap the long line

diffstat:

 sys/dev/usb/ohci.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r 734f6a3bf3c3 -r 9a3dfcfdc2ce sys/dev/usb/ohci.c
--- a/sys/dev/usb/ohci.c        Mon Jan 30 21:27:19 2017 +0000
+++ b/sys/dev/usb/ohci.c        Mon Jan 30 21:32:39 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ohci.c,v 1.266 2017/01/30 21:27:19 skrll Exp $ */
+/*     $NetBSD: ohci.c,v 1.267 2017/01/30 21:32:39 skrll Exp $ */
 
 /*
  * Copyright (c) 1998, 2004, 2005, 2012 The NetBSD Foundation, Inc.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.266 2017/01/30 21:27:19 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.267 2017/01/30 21:32:39 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -632,7 +632,8 @@
                 * crossing per TD
                 */
                curlen = len;
-               if (!(sphyspg == ephyspg || sphyspg + OHCI_PAGE_SIZE == ephyspg)) {
+               if (sphyspg != ephyspg &&
+                   sphyspg + OHCI_PAGE_SIZE != ephyspg)) {
                        /* must use multiple TDs, fill as much as possible. */
                        curlen = 2 * OHCI_PAGE_SIZE -
                            (sdataphys & (OHCI_PAGE_SIZE - 1));