Lines Matching refs:unmap

418 To unmap and free such a DMA region, you call:
520 packets, map/unmap them with the DMA_TO_DEVICE direction
521 specifier.  For receive packets, just the opposite, map/unmap them
527 context.  There are two versions of each map/unmap, one which will
528 map/unmap a single memory region, and one which will map/unmap a
548 and to unmap it:
585 map/unmap interface pair akin to dma_{map,unmap}_single().  These
641 To unmap a scatterlist, just call:
684 After the last DMA transfer call one of the DMA unmap routines
788 - unmap pages that are already mapped, when mapping error occurs in the middle
821 Example 2: (if buffers are allocated in a loop, unmap all mapped buffers when
919 need the address in order to perform the unmap operation.