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-rw-r--r--arch/powerpc/include/asm/reg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 2a620789954b..9cd4e8cbc78c 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1250,6 +1250,8 @@ static inline void mtmsr_isync(unsigned long val)
: "r" ((unsigned long)(v)) \
: "memory")
#endif
+#define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",0" : \
+ : : "memory")
extern unsigned long msr_check_and_set(unsigned long bits);
extern bool strict_msr_control;