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[src/trunk]: src/sys/arch/arm/arm32 Rely on the cache operations to perform t...
details: https://anonhg.NetBSD.org/src/rev/429ceac287b5
branches: trunk
changeset: 830277:429ceac287b5
user: skrll <skrll%NetBSD.org@localhost>
date: Sat Mar 03 18:11:25 2018 +0000
description:
Rely on the cache operations to perform the necessary barriers.
diffstat:
sys/arch/arm/arm32/bus_dma.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diffs (32 lines):
diff -r d9dcb024c844 -r 429ceac287b5 sys/arch/arm/arm32/bus_dma.c
--- a/sys/arch/arm/arm32/bus_dma.c Sat Mar 03 16:16:24 2018 +0000
+++ b/sys/arch/arm/arm32/bus_dma.c Sat Mar 03 18:11:25 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_dma.c,v 1.103 2018/03/03 16:16:24 skrll Exp $ */
+/* $NetBSD: bus_dma.c,v 1.104 2018/03/03 18:11:25 skrll Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
#include "opt_arm_bus_space.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.103 2018/03/03 16:16:24 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.104 2018/03/03 18:11:25 skrll Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -867,13 +867,11 @@
*/
case BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE:
STAT_INCR(sync_postreadwrite);
- arm_dmb();
cpu_dcache_inv_range(va, len);
cpu_sdcache_inv_range(va, pa, len);
break;
case BUS_DMASYNC_POSTREAD:
STAT_INCR(sync_postread);
- arm_dmb();
cpu_dcache_inv_range(va, len);
cpu_sdcache_inv_range(va, pa, len);
break;
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