On Thu, Apr 17, 2014 at 3:44 PM, Will Deacon <will.deacon@xxxxxxx> wrote:
> write{b,w,l}_relaxed are implemented by some architectures in order to
> permit memory-mapped I/O accesses with weaker barrier semantics than the
> non-relaxed variants.
>
> This patch adds dummy macros for the write accessors to m68k, in the
> same vein as the dummy definitions for the relaxed read accessors.
> Additionally, the existing relaxed read accessors are moved into
> asm/io.h, so that they can be used by m68k targets with an MMU.
>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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