static void __dma_sync()

in kernel/dma.c [17:31]

• 15 lines of code
• 4 McCabe index (conditional complexity)

static void __dma_sync(phys_addr_t paddr, size_t size,
		enum dma_data_direction direction)
{
	switch (direction) {
	case DMA_TO_DEVICE:
	case DMA_BIDIRECTIONAL:
		flush_dcache_range(paddr, paddr + size);
		break;
	case DMA_FROM_DEVICE:
		invalidate_dcache_range(paddr, paddr + size);
		break;
	default:
		BUG();
	}
}