From owner-p4-projects@FreeBSD.ORG  Thu Oct 19 23:10:42 2006
Return-Path: <owner-p4-projects@FreeBSD.ORG>
X-Original-To: p4-projects@freebsd.org
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id E8D7B16A417; Thu, 19 Oct 2006 23:10:41 +0000 (UTC)
X-Original-To: perforce@freebsd.org
Delivered-To: perforce@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id B97D716A415
	for <perforce@freebsd.org>; Thu, 19 Oct 2006 23:10:41 +0000 (UTC)
	(envelope-from cognet@freebsd.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id EB82343D73
	for <perforce@freebsd.org>; Thu, 19 Oct 2006 23:10:34 +0000 (GMT)
	(envelope-from cognet@freebsd.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k9JNAYxj062076
	for <perforce@freebsd.org>; Thu, 19 Oct 2006 23:10:34 GMT
	(envelope-from cognet@freebsd.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k9JNAYtH062073
	for perforce@freebsd.org; Thu, 19 Oct 2006 23:10:34 GMT
	(envelope-from cognet@freebsd.org)
Date: Thu, 19 Oct 2006 23:10:34 GMT
Message-Id: <200610192310.k9JNAYtH062073@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	cognet@freebsd.org using -f
From: Olivier Houchard <cognet@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 108129 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 19 Oct 2006 23:10:42 -0000

http://perforce.freebsd.org/chv.cgi?CH=108129

Change 108129 by cognet@cognet on 2006/10/19 23:10:33

	Use BUS_DMA_COHERENT to get the descriptor memory uncached.

Affected files ...

.. //depot/projects/arm/src/sys/dev/ath/if_ath.c#19 edit

Differences ...

==== //depot/projects/arm/src/sys/dev/ath/if_ath.c#19 (text+ko) ====

@@ -2508,7 +2508,8 @@
 	}
 
 	error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc,
-				 BUS_DMA_NOWAIT, &dd->dd_dmamap);
+				 BUS_DMA_NOWAIT | BUS_DMAMEM_COHERENT, 
+				 &dd->dd_dmamap);
 	if (error != 0) {
 		if_printf(ifp, "unable to alloc memory for %u %s descriptors, "
 			"error %u\n", nbuf * ndesc, dd->dd_name, error);