[PATCH v2] include: introduce include/linux/io.h as a wrapper of asm/io.h

[Sascha Hauer]

On Mon, May 18, 2015 at 10:48:30AM +0900, Masahiro Yamada wrote:
> 2015-05-18 0:47 GMT+09:00 Antony Pavlov <antonynpavlov at gmail.com>:
> > On Fri, 15 May 2015 22:02:47 +0900
> > Masahiro Yamada <yamada.masahiro at socionext.com> wrote:
> >
> >> In the latest Linux coding style, <linux/io.h> should be included
> >> rather than <asm/io.h>.  To follow this standard also in barebox,
> >> add include/linux/io.h.  Currently, it just includes <asm/io.h>.
> >
> > Hmmm. Barebox already has include/io.h for the same purpose.
> > And include/io.h is actively used:
> >
> > ~/barebox.git$ git grep "include <io.h>" | wc -l
> > 474
> >
> 
> We can replace all of them with sed easily.

I'm with Antony here. I think we can afford our own version of <io.h>.

> 
> Moreover, cpu_read{b,w,l} and cpu_write{b,w,l} turned out unnecessary after all.
> Most of C sources use __raw_*.

Agreed, these could be removed.

Sascha

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