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SubjectRe: readsw/writesw readsl/writesl

Thanks, it was Ben H.

Cheers,

On Mon, 26 Aug 2002, David S. Miller wrote:

> From: Andre Hedrick <andre@linux-ide.org>
> Date: Mon, 26 Aug 2002 23:23:22 -0700 (PDT)
>
> Would you consider these for each arch as there are coresponding one for
> IOMIO, and life would be better if we had a standard set for MMIO.
>
> Please consider the request.
>
> I responded to the private email I got on this subject.
> I forget who asked me this, but they said they were working
> on this IDE stuff.
>
> My response was that io_barrier() shall be defined on all
> platforms in asm/io.h and that you can then define your
> ide_read{l,w,b} as:
>
> __raw_raw{l,w,b}(...);
> io_barrier();
>
> So instead of having a million read* variations, we have one that is
> standard usage (little endian + I/O barrier) and then a raw variant
> where the cpu does nothing special and you have to byte-twiddle and
> barrier explicitly.
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>

Andre Hedrick
LAD Storage Consulting Group

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