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arm64: guard asm/assembler.h against multiple inclusions

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asm/assembler.h lacks the usual guard against multiple inclusion,
leading to a compilation failure if it is accidentally included
twice.

Using the classic #ifndef/#define/#endif construct solves the issue.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Marc Zyngier 2015-02-20 13:53:13 +00:00 committed by Will Deacon
parent 115386f89b
commit f3e39273e0
1 changed files with 5 additions and 0 deletions
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5
arch/arm64/include/asm/assembler.h
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@ -20,6 +20,9 @@
#error "Only include this from assembly code"
#endif
#ifndef __ASM_ASSEMBLER_H
#define __ASM_ASSEMBLER_H
#include <asm/ptrace.h>
#include <asm/thread_info.h>
@ -155,3 +158,5 @@ lr .req x30 // link register
#endif
orr \rd, \lbits, \hbits, lsl #32
.endm
#endif /* __ASM_ASSEMBLER_H */