From 2638b4dbe768aba023a06acd8e7eba708bb76ee6 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 25 Sep 2008 21:38:41 +0100 Subject: [ARM] dma: Reduce to one dma_sync_sg_* implementation Signed-off-by: Russell King --- arch/arm/mm/dma-mapping.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/arm/mm/dma-mapping.c') diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index c9c1206e358c..0e28cf33f7dd 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -571,7 +571,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, } EXPORT_SYMBOL(dma_unmap_sg); -#ifndef CONFIG_DMABOUNCE /** * dma_sync_sg_for_cpu * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices @@ -586,6 +585,10 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) { + if (!dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0, + sg_dma_len(s), dir)) + continue; + if (!arch_is_coherent()) dma_cache_maint(sg_virt(s), s->length, dir); } @@ -606,9 +609,12 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) { + if (!dmabounce_sync_for_device(dev, sg_dma_address(s), 0, + sg_dma_len(s), dir)) + continue; + if (!arch_is_coherent()) dma_cache_maint(sg_virt(s), s->length, dir); } } EXPORT_SYMBOL(dma_sync_sg_for_device); -#endif -- cgit v1.2.3