diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index e40a921d78f9..c006f33f68ad 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1413,9 +1413,14 @@ static inline void msr_check_and_clear(unsigned long bits)
 }
 
 #ifdef CONFIG_PPC32
-#define mfsrin(v)	({unsigned int rval; \
-			asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
-					rval;})
+static inline u32 mfsrin(u32 idx)
+{
+	u32 val;
+
+	asm volatile("mfsrin %0, %1" : "=r" (val): "r" (idx));
+
+	return val;
+}
 
 static inline void mtsrin(u32 val, u32 idx)
 {
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index b08cc15f31c7..fdb57be71aa6 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -61,10 +61,6 @@
 #define SPRN_GQR6		918
 #define SPRN_GQR7		919
 
-/* Book3S_32 defines mfsrin(v) - but that messes up our abstract
- * function pointers, so let's just disable the define. */
-#undef mfsrin
-
 enum priv_level {
 	PRIV_PROBLEM = 0,
 	PRIV_SUPER = 1,