[U-Boot] [PATCH 2/4] microblaze: Fix byteorder for microblaze
Stephan Linz
linz at li-pro.net
Fri Oct 12 00:31:54 CEST 2012
Am Freitag, den 05.10.2012, 14:58 +0200 schrieb Michal Simek:
> Just remove ancient code.
>
> Signed-off-by: Michal Simek <monstr at monstr.eu>
> ---
> arch/microblaze/include/asm/byteorder.h | 23 -----------------------
> 1 files changed, 0 insertions(+), 23 deletions(-)
>
> diff --git a/arch/microblaze/include/asm/byteorder.h b/arch/microblaze/include/asm/byteorder.h
> index b2757a4..f3a471d 100644
> --- a/arch/microblaze/include/asm/byteorder.h
> +++ b/arch/microblaze/include/asm/byteorder.h
> @@ -20,29 +20,6 @@
>
> #ifdef __GNUC__
>
> -/* This is effectively a dupe of the arch-independent byteswap
> - code in include/linux/byteorder/swab.h, however we force a cast
> - of the result up to 32 bits. This in turn forces the compiler
> - to explicitly clear the high 16 bits, which it wasn't doing otherwise.
> -
> - I think this is a symptom of a bug in mb-gcc. JW 20040303
> -*/
> -
> -
> -static __inline__ __u16 ___arch__swab16 (__u16 half_word)
> -{
> - /* 32 bit temp to cast result, forcing clearing of high word */
> - __u32 temp;
> -
> - temp = ((half_word & 0x00FFU) << 8) | ((half_word & 0xFF00U) >> 8);
> -
> - return (__u16) temp;
> -}
> -
> -#define __arch__swab16(x) ___arch__swab16(x)
> -
> -/* Microblaze has no arch-specific endian conversion insns */
> -
Acked-by: Stephan Linz <linz at li-pro.net>
>
> #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
> # define __BYTEORDER_HAS_U64__
> # define __SWAB_64_THRU_32__
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