Commit 64273a61 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

arm: implement ->dma_supported instead of ->set_dma_mask 



Same behavior, less code duplication.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 69f07be6

arch/arm/common/dmabounce.c

+3 −4
Original line number Diff line number Diff line
@@ -445,12 +445,12 @@ static void dmabounce_sync_for_device(struct device *dev, 
	arm_dma_ops.sync_single_for_device(dev, handle, size, dir);

}



static int dmabounce_set_mask(struct device *dev, u64 dma_mask)

static int dmabounce_dma_supported(struct device *dev, u64 dma_mask)

{

	if (dev->archdata.dmabounce)

		return 0;



	return arm_dma_ops.set_dma_mask(dev, dma_mask);

	return arm_dma_ops.dma_supported(dev, dma_mask);

}



static int dmabounce_mapping_error(struct device *dev, dma_addr_t dma_addr)
@@ -471,9 +471,8 @@ static const struct dma_map_ops dmabounce_ops = { 
	.unmap_sg		= arm_dma_unmap_sg,

	.sync_sg_for_cpu	= arm_dma_sync_sg_for_cpu,

	.sync_sg_for_device	= arm_dma_sync_sg_for_device,

	.set_dma_mask		= dmabounce_set_mask,

	.dma_supported		= dmabounce_dma_supported,

	.mapping_error		= dmabounce_mapping_error,

	.dma_supported		= arm_dma_supported,

};



static int dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev,