Re: xtensa build failures in -next due to DMA API changes

[Guenter Roeck]

Hi Christoph,

On Tue, Aug 25, 2015 at 10:15:32PM +0200, Christoph Hellwig wrote:
> Hi Guenter,
> 
> > The problem seems to have been introduced with changes made by Christoph
> > Hellwig, coming in through Andrew's tree. Copying them here for comments.
> 
> xtensa doesn't use the generic dma map implementation, so it shouldn't
> include dma-mapping-common.h anywhere, and in my tree it doesn't.
> 
> Can you do a git-grep for dma-mapping-common.h on the tree that you
> see this error on?  Nothing but arch/*/include/asm/dma-mapping.h should
> include it.  In my tree it's all fine:
> 
I also see

arch/xtensa/include/asm/dma-mapping.h:#include <asm-generic/dma-mapping-common.h>

It looks like there is a conflict with "xtensa: reimplement DMA API using common
helpers" by Max Filippov, which added the include. This patch is in -next.

Guenter
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