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[PATCH] MIPS: Define __arch_swab64 for all mips r2 cpus.

Subject: [PATCH] MIPS: Define __arch_swab64 for all mips r2 cpus.
From: David Daney <>
Date: Fri, 26 Jun 2009 09:02:48 -0700
Cc: David Daney <>
Original-recipient: rfc822;
Some CPUs implement mipsr2, but because they are a super-set of
mips64r2 do not define CONFIG_CPU_MIPS64_R2.  Cavium OCTEON falls into
this category.  We would still like to use the optimized
implementation, so since we have already checked for
CONFIG_CPU_MIPSR2, checking for CONFIG_64BIT instead of
CONFIG_CPU_MIPS64_R2 is sufficient.

Signed-off-by: David Daney <>
 arch/mips/include/asm/swab.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/mips/include/asm/swab.h b/arch/mips/include/asm/swab.h
index 99993c0..e5b9161 100644
--- a/arch/mips/include/asm/swab.h
+++ b/arch/mips/include/asm/swab.h
@@ -38,7 +38,7 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 #define __arch_swab32 __arch_swab32
-#ifdef CONFIG_CPU_MIPS64_R2
+#ifdef CONFIG_64BIT
 static inline __attribute_const__ __u64 __arch_swab64(__u64 x)

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