Documentation/core-api/dma-api.rst

68 size and dma_handle must all be the same as those passed into
227 transfer memory ownership.  Returns %false if those calls can be skipped.
328 must be identical to those passed in (and returned) by the mapping
421 must be the same as those and passed in to the scatter/gather mapping
451 as those passed into the sg mapping API. With the sync_single API,
453 those passed into the single mapping API to do a partial sync.
500 is identical to those of the corresponding function
578 dev, size, dma_handle and dir must all be the same as those passed into
588 dev and size must be the same as those passed into dma_alloc_pages().
608 dev, size, dma_handle and dir must all be the same as those passed into
650 and dir must all be the same as those passed into dma_alloc_noncontiguous().
660 dma_alloc_noncontiguous().  dev and size must be the same as those passed into
686 space.  dev and size must be the same as those passed into
713 do not violate those constraints. In the worst case such a violation can
717 be compiled into the kernel which will tell the developer about those