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MIPS: barrier: Remove fast_mb() Octeon #ifdef'ery 

The definition of fast_mb() is the same in both the Octeon & non-Octeon
cases, so remove the duplication & define it only once.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Paul Burton 2019-10-01 21:53:11 +00:00
parent 05e6da742b
commit 5c12a6eff6
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 2 additions and 2 deletions
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4
arch/mips/include/asm/barrier.h
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@ -38,6 +38,8 @@ static inline void wmb(void)
}
#define wmb wmb
#define fast_mb() __sync()
#define __fast_iob() \
__asm__ __volatile__( \
".set push\n\t" \
@ -49,10 +51,8 @@ static inline void wmb(void)
: "m" (*(int *)CKSEG1) \
: "memory")
#ifdef CONFIG_CPU_CAVIUM_OCTEON
# define fast_mb() __sync()
# define fast_iob() do { } while (0)
#else /* ! CONFIG_CPU_CAVIUM_OCTEON */
# define fast_mb() __sync()
# ifdef CONFIG_SGI_IP28
# define fast_iob() \
__asm__ __volatile__( \