[PATCH 1/4] powerpc: Cleanup macros in ppc-opcode.h

Kumar Gala galak at kernel.crashing.org
Thu Apr 30 21:27:30 EST 2009


On Apr 30, 2009, at 1:58 AM, Michael Neuling wrote:

> Make macros more braces happy.
>
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> ---
>
> arch/powerpc/include/asm/ppc-opcode.h |    8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)

Acked-by: Kumar Gala <galak at kernel.crashing.org>

- k

>
>
> Index: linux-2.6-ozlabs/arch/powerpc/include/asm/ppc-opcode.h
> ===================================================================
> --- linux-2.6-ozlabs.orig/arch/powerpc/include/asm/ppc-opcode.h
> +++ linux-2.6-ozlabs/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 | \




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