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DMAM_ALLOC_NONCOHERE(9) | Device drivers infrastructure | DMAM_ALLOC_NONCOHERE(9) |
NAME¶
dmam_alloc_noncoherent - Managed dma_alloc_non_coherentSYNOPSIS¶
void *
dmam_alloc_noncoherent(struct device * dev,
size_t size,
dma_addr_t * dma_handle,
gfp_t gfp);
ARGUMENTS¶
devDevice to allocate non_coherent memory for
size
Size of allocation
dma_handle
Out argument for allocated DMA handle
gfp
Allocation flags
DESCRIPTION¶
Managed dma_alloc_non_coherent. Memory allocated using this function will be automatically released on driver detach.RETURN¶
Pointer to allocated memory on success, NULL on failure.COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |