static inline void __dma_single_cpu_to_dev(const void *kaddr, size_t size,
	enum dma_data_direction dir)
{
	extern void ___dma_single_cpu_to_dev(const void *, size_t,
		enum dma_data_direction);

	if (!arch_is_coherent())
		___dma_single_cpu_to_dev(kaddr, size, dir);
}

static inline void __dma_single_dev_to_cpu(const void *kaddr, size_t size,
	enum dma_data_direction dir)
{
	extern void ___dma_single_dev_to_cpu(const void *, size_t,
		enum dma_data_direction);

	if (!arch_is_coherent())
		___dma_single_dev_to_cpu(kaddr, size, dir);
}

static inline void __dma_page_cpu_to_dev(struct page *page, unsigned long off,
	size_t size, enum dma_data_direction dir)
{
	extern void ___dma_page_cpu_to_dev(struct page *, unsigned long,
		size_t, enum dma_data_direction);

	if (!arch_is_coherent())
		___dma_page_cpu_to_dev(page, off, size, dir);
}

static inline void __dma_page_dev_to_cpu(struct page *page, unsigned long off,
	size_t size, enum dma_data_direction dir)
{
	extern void ___dma_page_dev_to_cpu(struct page *, unsigned long,
		size_t, enum dma_data_direction);

	if (!arch_is_coherent())
		___dma_page_dev_to_cpu(page, off, size, dir);
}