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sh: Add dma-mapping support for dma_alloc/free_coherent() overrides.

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This moves the current dma_alloc/free_coherent() calls to a generic
variant and plugs them in for the nommu default. Other variants can
override the defaults in the dma mapping ops directly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2009-10-26 09:50:51 +09:00
parent 73c926bee0
commit f32154c9b5
3 changed files with 47 additions and 25 deletions
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2
arch/sh/kernel/dma-nommu.c
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@@ -61,6 +61,8 @@ static void nommu_sync_sg(struct device *dev, struct scatterlist *sg,
}
struct dma_map_ops nommu_dma_ops = {
.alloc_coherent = dma_generic_alloc_coherent,
.free_coherent = dma_generic_free_coherent,
.map_page = nommu_map_page,
.map_sg = nommu_map_sg,
.sync_single_for_device = nommu_sync_single,