Re: [PATCH v4 2/3] bitfield: add u8 helpers

From: Andy Shevchenko
Date: Mon Jun 18 2018 - 16:42:30 EST


On Mon, Jun 18, 2018 at 11:37 PM, Johannes Berg
<johannes@xxxxxxxxxxxxxxxx> wrote:
> There's no reason why we shouldn't pack/unpack bits into/from
> u8 values/registers/etc., so add u8 helpers.
>
> Use the ____MAKE_OP() macro directly to avoid having nonsense
> le8_encode_bits() and similar functions.
>

Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>


> Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> ---
> include/linux/bitfield.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h
> index 147a7bb341dd..65a6981eef7b 100644
> --- a/include/linux/bitfield.h
> +++ b/include/linux/bitfield.h
> @@ -143,6 +143,7 @@ static __always_inline base type##_get_bits(__##type v, base field) \
> ____MAKE_OP(le##size,u##size,cpu_to_le##size,le##size##_to_cpu) \
> ____MAKE_OP(be##size,u##size,cpu_to_be##size,be##size##_to_cpu) \
> ____MAKE_OP(u##size,u##size,,)
> +____MAKE_OP(u8,u8,,)
> __MAKE_OP(16)
> __MAKE_OP(32)
> __MAKE_OP(64)
> --
> 2.14.4
>



--
With Best Regards,
Andy Shevchenko