From 52409fae3e4b8d16b68b61902fc09075cd97b75d Mon Sep 17 00:00:00 2001
From: Dominik Sliwa <dominik.sliwa@toradex.com>
Date: Sun, 2 Jul 2017 16:41:37 +0200
Subject: Backports generated from 4.11 kernel

Initial commit.

Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
---
 backport-include/asm/barrier.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 backport-include/asm/barrier.h

(limited to 'backport-include/asm/barrier.h')

diff --git a/backport-include/asm/barrier.h b/backport-include/asm/barrier.h
new file mode 100644
index 0000000..9147fb0
--- /dev/null
+++ b/backport-include/asm/barrier.h
@@ -0,0 +1,18 @@
+#ifndef __BACKPORT_ASM_BARRIER_H
+#define __BACKPORT_ASM_BARRIER_H
+
+#include <linux/version.h>
+#if LINUX_VERSION_IS_GEQ(3,4,0) || \
+    defined(CONFIG_ALPHA) || defined(CONFIG_MIPS)
+#include_next <asm/barrier.h>
+#endif /* >= 3.4 */
+
+#ifndef dma_rmb
+#define dma_rmb()	rmb()
+#endif
+
+#ifndef smp_mb__after_atomic
+#define smp_mb__after_atomic smp_mb__after_clear_bit
+#endif
+
+#endif /* __BACKPORT_ASM_BARRIER_H */
-- 
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