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.

Return

Pointer to allocated memory on success, NULL on failure.