Problem with dma_alloc_coherent at linux-2.6.33-arm1 , withRealView platform,board PBX-A9 and armv7 instructions.

[Catalin Marinas]

On Thu, 2010-07-15 at 10:35 +0100, Russell King - ARM Linux wrote:
> On Thu, Jul 15, 2010 at 05:13:57PM +0800, David Yang wrote:
> >        But when the driver was ported to the linux-2.6.33-arm1,the problem
> > came:
> >                 I found when the cpu executed from step 1-3, the
> > device DMA alarm the
> > step 2 was not completed.As a result,the step 4 was not triggered.This
> > is different form linux-2.6.28.
> 
> Can you try patches 6219/1 6220/1 and 6221/1 from the patch system?
> They can be viewed/downloaded via:
> 
> http://www.arm.linux.org.uk/developer/patches/view.php?id=6219/1
> http://www.arm.linux.org.uk/developer/patches/view.php?id=6220/1
> http://www.arm.linux.org.uk/developer/patches/view.php?id=6221/1

I posted an updated set of patches here to avoid the do...while()
construct causing compilation errors in some drivers:

http://thread.gmane.org/gmane.linux.ports.arm.kernel/84948

If you are ok with them, I'll push them to the patch system (and discard
the previous ones).

Thanks.

-- 
Catalin