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SubjectRe: [PATCH RFT RESEND linux-next] sparc: dma-mapping: support debug_dma_mapping_error
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On Fri, 2012-11-09 at 19:38 -0500, David Miller wrote:
> From: Shuah Khan <shuah.khan@hp.com>
> Date: Fri, 26 Oct 2012 10:13:09 -0600
>
> > Add support for debug_dma_mapping_error() call to avoid warning from
> > debug_dma_unmap() interface when it checks for mapping error checked
> > status. Without this patch, device driver failed to check map error
> > warning is generated.
> >
> > Signed-off-by: Shuah Khan <shuah.khan@hp.com>
>
> This doesn't even compile:
>
> /home/davem/src/GIT/sparc/arch/sparc/include/asm/dma-mapping.h: In function 'dma_mapping_error':
> /home/davem/src/GIT/sparc/arch/sparc/include/asm/dma-mapping.h:62:2: error: implicit declaration of function 'debug_dma
> _mapping_error' [-Werror=implicit-function-declaration]
> cc1: some warnings being treated as errors
> In file included from include/linux/dma-mapping.h:76:0,
> from include/linux/skbuff.h:33,
> from include/linux/icmpv6.h:4,
> from include/linux/ipv6.h:58,
> from include/net/ipv6.h:16,
> from include/linux/sunrpc/clnt.h:26,
> from include/linux/nfs_fs.h:30,
> from init/do_mounts.c:30:

The problem the dependent patch is in linux-next and not in arch trees
yet. That is why I am trying it get this through linux-next and/or
dma-debug tree. I am open to suggestions on what is the best route.

linux-next commit-id is:

commit 6c9c6d6301287e369a754d628230fa6e50cdb74b

I have another one that I sent to linux-next that fixes the dependency
on get_dma_ops():

https://lkml.org/lkml/2012/11/3/219

Thanks,
-- Shuah








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