dmam_alloc_coherent9
Managed dma_alloc_coherent
Usage
void * dmam_alloc_coherent(struct device * dev, size_t size, dma_addr_t * dma_handle, gfp_t gfp);
Arguments
dev
Device to allocate coherent memory for
size
Size of allocation
dma_handle
Out argument for allocated DMA handle
gfp
Allocation flags
Overview
Managed dma_alloc_coherent. Memory allocated using this function will be automatically released on driver detach.
Returns
Pointer to allocated memory on success, NULL on failure.