dma_buf_map_attachment9
Returns the scatterlist table of the attachment; mapped into _device_ address space. is a wrapper for map_dma_buf of the dma_buf_ops.
Usage
struct sg_table * dma_buf_map_attachment(struct dma_buf_attachment * attach, enum dma_data_direction direction);
Arguments
attach
[in] attachment whose scatterlist is to be returned
direction
[in] direction of DMA transfer
Overview
Returns sg_table containing the scatterlist to be returned; returns ERR_PTR on error.