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authorErik Gilling <konkers@android.com>2010-01-21 16:53:02 -0800
committerErik Gilling <konkers@android.com>2010-08-05 14:51:42 -0700
commitc5f800656bc985b448b1d848d309648826536543 (patch)
treeefac337e79b73bf24ce639840e41f77bcd46d707 /arch/arm/mach-tegra/include/mach/barriers.h
parentMerge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc (diff)
downloadlinux-dev-c5f800656bc985b448b1d848d309648826536543.tar.xz
linux-dev-c5f800656bc985b448b1d848d309648826536543.zip
[ARM] tegra: initial tegra support
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/barriers.h')
-rw-r--r--arch/arm/mach-tegra/include/mach/barriers.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/barriers.h b/arch/arm/mach-tegra/include/mach/barriers.h
new file mode 100644
index 000000000000..cc115174899b
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/barriers.h
@@ -0,0 +1,30 @@
+/*
+ * arch/arm/mach-realview/include/mach/barriers.h
+ *
+ * Copyright (C) 2010 ARM Ltd.
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __MACH_BARRIERS_H
+#define __MACH_BARRIERS_H
+
+#include <asm/outercache.h>
+
+#define rmb() dmb()
+#define wmb() do { dsb(); outer_sync(); } while (0)
+#define mb() wmb()
+
+#endif /* __MACH_BARRIERS_H */