On Mon, Jun 20, 2011 at 09:50:07AM +0200, Marek Szyprowski wrote:

This patch consolidates dma_map_single and dma_map_page calls. This is
required to let dma-mapping framework on ARM architecture use common,
generic dma-mapping helpers.

This breaks DMA API debugging, which requires that dma_map_page and
dma_unmap_page are paired separately from dma_map_single and
dma_unmap_single().

This also breaks dmabounce when used with a highmem-enabled system -
dmabounce refuses the dma_map_page() API but allows the dma_map_single()
API.

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