insw/outsw in ide.h
Gary Thomas
gdt at linuxppc.org
Wed Mar 1 23:37:13 EST 2000
On 01-Mar-00 Paul Mackerras wrote:
>
> Is there any PPC platform that needs to use a byte-swapping insw/outsw in
> the IDE driver? (I can't see why any platform would, but you never
> know...)
>
> I have changed the insw/outsw/insl/outsl in include/asm-ppc/io.h to be the
> non-swapping form (in my tree at least, I'll push it to bk soon). I would
> like to take out the special definitions of insw/outsw in
> include/asm-ppc/ide.h and just let the ide driver use the standard
> (non-swapping) form. Will this cause a problem for any PPC platforms?
>
I can't tell for sure, but won't this break existing [already installed]
systems? I agree that the data path really doesn't matter, but once it's
on the media it probably does.
Have you tested this change on a system with an IDE drive that has a
live file system in place?
.. just my 2c
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