lkpi_dma_map_phys
dma_addr_t lkpi_dma_map_phys(struct device *, vm_paddr_t, size_t,
return (lkpi_dma_map_phys(dev, page_to_phys(page) + offset, size,
return (lkpi_dma_map_phys(dev, page_to_phys(page) + offset, size,
return (lkpi_dma_map_phys(dev, paddr, size, direction, attrs));
return (lkpi_dma_map_phys(dev, vtophys(ptr), size,
return (lkpi_dma_map_phys(dev, phys, len, DMA_NONE, 0));