DMA_BUF_UNMAP_ATTACH(9) Device drivers infrastructure DMA_BUF_UNMAP_ATTACH(9)NAMEdma_buf_unmap_attachment - unmaps and decreases usecount of the
buffer;might deallocate the scatterlist associated. Is a wrapper for
unmap_dma_buf of dma_buf_ops.
SYNOPSIS
void dma_buf_unmap_attachment(struct dma_buf_attachment * attach,
struct sg_table * sg_table,
enum dma_data_direction direction);
ARGUMENTS
attach
[in] attachment to unmap buffer from
sg_table
[in] scatterlist info of the buffer to unmap
direction
[in] direction of DMA transfer
COPYRIGHTKernel Hackers Manual 3.8. June 2014 DMA_BUF_UNMAP_ATTACH(9)