Quoting r. Anton Blanchard <[EMAIL PROTECTED]>:
> Subject: Re: [PATCH 38 of 39] IB/ipath - More changes to support InfiniPath 
> on PowerPC 970 systems
> 
>  
> Hi,
> 
> > Please fix the generic code if it doesn't provide the facility
> > you need at the moment.  Don't shoe horn it into your driver
> > just to make up for that.
> 
> Ive had 3 drivers asking for write combining recently so I agree this is
> a good idea. How about ioremap_wc as suggested by Willy:
> 
> http://marc.theaimsgroup.com/?l=linux-kernel&m=114374741828040&w=2

Hmm ... I think ioremap_wc isn't sufficient by itself to make drivers using
write-combined memory, portable.  Here's another thread on a related subject:

http://lkml.org/lkml/2006/2/24/347

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