diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index ef5076b24de0daa6b0b3c98cccd27d8c9f7a4c85..209103e3ce10ae216ae1615c8ceb1f546b1e7e23 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -392,17 +392,17 @@ extern void print_bats(void);
  */
 
 #define MAS0_TLBSEL_MSK	0x30000000
-#define MAS0_TLBSEL(x)	((x << 28) & MAS0_TLBSEL_MSK)
+#define MAS0_TLBSEL(x)	(((x) << 28) & MAS0_TLBSEL_MSK)
 #define MAS0_ESEL_MSK	0x0FFF0000
-#define MAS0_ESEL(x)	((x << 16) & MAS0_ESEL_MSK)
+#define MAS0_ESEL(x)	(((x) << 16) & MAS0_ESEL_MSK)
 #define MAS0_NV(x)	((x) & 0x00000FFF)
 
 #define MAS1_VALID	0x80000000
 #define MAS1_IPROT	0x40000000
-#define MAS1_TID(x)	((x << 16) & 0x3FFF0000)
+#define MAS1_TID(x)	(((x) << 16) & 0x3FFF0000)
 #define MAS1_TS		0x00001000
-#define MAS1_TSIZE(x)	((x << 8) & 0x00000F00)
-#define TSIZE_TO_BYTES(x) ((phys_addr_t)(1UL << ((tsize * 2) + 10)))
+#define MAS1_TSIZE(x)	(((x) << 8) & 0x00000F00)
+#define TSIZE_TO_BYTES(x) (1ULL << (((x) * 2) + 10))
 
 #define MAS2_EPN	0xFFFFF000
 #define MAS2_X0		0x00000040