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microblaze: Define microblaze barrier

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Define microblaze barrier.

Signed-off-by: Stefan Asserhall <stefan.asserhall@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Stefan Asserhall 2020-01-21 12:32:33 +01:00 committed by Michal Simek
parent 7e8f54cd4e
commit db79e0292d
2 changed files with 13 additions and 1 deletions
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1
arch/microblaze/include/asm/Kbuild
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@ -1,6 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table.h
generic-y += barrier.h
generic-y += bitops.h
generic-y += bug.h
generic-y += bugs.h

13
arch/microblaze/include/asm/barrier.h Normal file
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@ -0,0 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2015 - 2020 Xilinx, Inc. All rights reserved.
*/
#ifndef _ASM_MICROBLAZE_BARRIER_H
#define _ASM_MICROBLAZE_BARRIER_H
#define mb() __asm__ __volatile__ ("mbar 1" : : : "memory")
#include <asm-generic/barrier.h>
#endif /* _ASM_MICROBLAZE_BARRIER_H */