DMAM_ALLOC_COHERENT(9) Device drivers infrastructure DMAM_ALLOC_COHERENT(9)

NAME dmam_alloc_coherent - Managed dma_alloc_coherent

SYNOPSIS 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

DESCRIPTION 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.

COPYRIGHT Kernel Hackers Manual 2.6. September 2014 DMAM_ALLOC_COHERENT(9)