void arch_setup_dma_ops()

in mm/dma.c [93:106]

• 8 lines of code
• 5 McCabe index (conditional complexity)

void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
			const struct iommu_ops *iommu, bool coherent)
{
	/*
	 * IOC hardware snoops all DMA traffic keeping the caches consistent
	 * with memory - eliding need for any explicit cache maintenance of
	 * DMA buffers.
	 */
	if (is_isa_arcv2() && ioc_enable && coherent)
		dev->dma_coherent = true;

	dev_info(dev, "use %scoherent DMA ops\n",
		 dev->dma_coherent ? "" : "non");
}