Name
dma_release_from_coherent —
try to free the memory allocated from per-device coherent memory pool
Synopsis
int dma_release_from_coherent ( | struct device * dev, |
| | int order, |
| | void * vaddr); |
Arguments
dev
device from which the memory was allocated
order
the order of pages allocated
vaddr
virtual address of allocated pages
Description
This checks whether the memory was allocated from the per-device
coherent memory pool and if so, releases that memory.
Returns 1 if we correctly released the memory, or 0 if
dma_release_coherent should proceed with releasing memory from
generic pools.