[PATCH] dmaengine: shdma: fix a build failure on platforms with no DMA support

Vinod Koul vinod.koul at intel.com
Fri Jul 5 00:53:50 EDT 2013


On Wed, Jun 19, 2013 at 09:32:18PM +0200, Guennadi Liakhovetski wrote:
> Hi Vinod
> 
> On Wed, 19 Jun 2013, Kevin Hilman wrote:
> 
> > On Thu, May 30, 2013 at 7:44 PM, Simon Horman <horms at verge.net.au> wrote:
> > 
> > [...]
> > 
> > > thanks for this. I will wait for a refresh (as we discussed earlier today).
> > > Can I confirm that this is a fix for v3.10? If so, could ou note
> > > that when you post your revised patch?
> > 
> > Any progress on this patch?
> > 
> > The SH-mobile defconfigs are still all failing in linux-next.
> 
> In
> 
> https://patchwork.kernel.org/patch/2640061/
And you havent CC maintainers on this patch, so I dont have it!
> 
> I proposed a simple immediate fix for this problem. Arnd at the same time 
> developed an alternative solution:
> 
> https://patchwork.kernel.org/patch/2644121/
> https://patchwork.kernel.org/patch/2644111/
Reading these patches I agree with Arnd that client drivers should not depend on
dma slave drivers. Existing issue need to be fixed

Arnd, Have you merged these changes?

--
~Vinod
> 
> Which, I think, is a much larger change and isn't suitable as a bug-fix 
> this late in the release cycle. Instead those patches address other issues 
> with the shdma drivers, which might need to be carefully studied and 
> solutions have to be found, which, however, would require more work and 
> need a longer time. What is your opinion on this? Would you agree to apply 
> v2 of this patch, as referenced above or would you prefer a different 
> solution?
> 
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/

-- 



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