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-rw-r--r--arch/mips/Kconfig1
-rw-r--r--arch/mips/include/asm/atomic.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 3ad59dde4852..ec410009e8f0 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -13,6 +13,7 @@ config MIPS
select HAVE_KPROBES
select HAVE_KRETPROBES
select RTC_LIB if !MACH_LOONGSON
+ select GENERIC_ATOMIC64 if !64BIT
mainmenu "Linux/MIPS Kernel Configuration"
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index c63c56bfd184..47d87da379f9 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
*/
#define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
+#else /* !CONFIG_64BIT */
+
+#include <asm-generic/atomic64.h>
+
#endif /* CONFIG_64BIT */
/*
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