Add dma-debug interface debug_dma_mapping_error() to debug drivers that fail
to check dma mapping errors on addresses returned by dma_map_single() and
dma_map_page() interfaces.
Signed-off-by: NShuah Khan <shuah.khan@hp.com>
Acked-by: NMark Salter <msalter@redhat.com>
Signed-off-by: NJoerg Roedel <joro@8bytes.org>