dma_release_from_dev_coherent  160 include/linux/dma-mapping.h int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr);
dma_release_from_dev_coherent  328 kernel/dma/mapping.c 	if (dma_release_from_dev_coherent(dev, get_order(size), cpu_addr))