dma_unmap_sg

Name:dma_unmap_sg_attrs

Proto:static inline void dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs)

Type:void

Parameter:

Type	Parameter	Name
struct device *	dev
struct scatterlist *	sg
int	nents
enum dma_data_direction	dir
unsigned long	attrs

330

ops = get_dma_ops(dev)

332

BUG_ON(!valid_dma_direction(dir))

333

debug_dma_unmap_sg(dev, sg, nents, dir)

334

If dma_is_direct(ops) Then dma_direct_unmap_sg(dev, sg, nents, dir, attrs)

336

Else if unmap_sg Then unmap_sg(dev, sg, nents, dir, attrs)

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