powerpc: Cleanup macros in ppc-opcode.h

Make macros more braces happy.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 640ccbb..1c81950 100644 (file)
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -47,10 +47,10 @@
 #define PPC_INST_WAIT                  0x7c00007c
 
 /* macros to insert fields into opcodes */
-#define __PPC_RA(a)    ((a & 0x1f) << 16)
-#define __PPC_RB(b)    ((b & 0x1f) << 11)
-#define __PPC_T_TLB(t) ((t & 0x3) << 21)
-#define __PPC_WC(w)    ((w & 0x3) << 21)
+#define __PPC_RA(a)    (((a) & 0x1f) << 16)
+#define __PPC_RB(b)    (((b) & 0x1f) << 11)
+#define __PPC_T_TLB(t) (((t) & 0x3) << 21)
+#define __PPC_WC(w)    (((w) & 0x3) << 21)
 
 /* Deal with instructions that older assemblers aren't aware of */
 #define        PPC_DCBAL(a, b)         stringify_in_c(.long PPC_INST_DCBAL | \