m32r: use __stringify() macro in assembler.h
Replace #x with __stringify(x).
Also, #ifndef __STR is removed and undefine __STR macro at the beginning.
The __STR() macro is still remained, because the assembler.h might be
included from assembly codes as well as C codes.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
diff --git a/arch/m32r/include/asm/assembler.h b/arch/m32r/include/asm/assembler.h
index 2635153..728799f 100644
--- a/arch/m32r/include/asm/assembler.h
+++ b/arch/m32r/include/asm/assembler.h
@@ -9,14 +9,15 @@
* This file contains M32R architecture specific macro definitions.
*/
+#include <linux/stringify.h>
-#ifndef __STR
+#undef __STR
+
#ifdef __ASSEMBLY__
#define __STR(x) x
#else
-#define __STR(x) #x
+#define __STR(x) __stringify(x)
#endif
-#endif /* __STR */
#ifdef CONFIG_SMP
#define M32R_LOCK __STR(lock)