RE: [microblaze-uclinux] [PATCH 12/12] microblaze: use generic dma-mapping-broken.h

[Stephen Neuendorffer]

Sounds like a great idea...  That's really all that's necessary for
microblazes with write-through cache anyway.

Steve

> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@xxxxxxxx]
> Sent: Monday, May 11, 2009 5:30 PM
> To: Stephen Neuendorffer
> Cc: microblaze-uclinux@xxxxxxxxxxxxxx; Michal Simek;
linux-kernel@xxxxxxxxxxxxxxx; FUJITA Tomonori
> Subject: Re: [microblaze-uclinux] [PATCH 12/12] microblaze: use
generic dma-mapping-broken.h
> 
> On Tuesday 12 May 2009, Stephen Neuendorffer wrote:
> >
> > Gah... considering the ll_temac needs this, it should get
implemented
> > ASAP...
> > (Yeah, I know... just not enough hours in the day.)
> >
> 
> FUJITA Tomonori has just posted an asm-generic version of
dma-mapping.h,
> which is half complete. For microblaze, it should be easy to add the
> missing functions, basically falling back on get_free_pages for all
> allocations and on page_to_phys for the actual mapping, as in
> arch/powerpc/kernel/dma.c.
> 
> 	Arnd <><


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