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SubjectRe: [PATCH] dma-debug: fix to not have dependency on get_dma_ops() interface
On Sat, Nov 03, 2012 at 05:00:07PM -0600, Shuah Khan wrote:
> dma-debug depends on get_dma_ops() interface. Several architectures
> do not define dma_ops and get_dma_ops(). When dma debug interfaces are
> used on an architecture (e.g: c6x) that doesn't define get_dmap_ops(),
> compilation fails. Changing dma-debug to call dma_mapping_error() instead
> of defining its own that calls get_dma_ops(), such that the internal use of
> dma_mapping_error() doesn't interfere with the debug_dma_mapping_error()
> interface's mapping error checks. Moving dma_mapping_error() checks in
> check_unmap() under the dma debug entry not found is sufficient to fix the
> problem.
> Reference:
> Signed-off-by: Shuah Khan <>
> Reported-by: Mark Salter <>

Sorry for the delay. I applied the patch to the dma-debug branch.


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