112 static bool dma_go_direct(struct device *dev, dma_addr_t mask,  in dma_go_direct()  argument
119 		return min_not_zero(mask, dev->bus_dma_limit) >=  in dma_go_direct()
717 static int dma_supported(struct device *dev, u64 mask)  in dma_supported()  argument
726 		return dma_direct_supported(dev, mask);  in dma_supported()
729 	return ops->dma_supported(dev, mask);  in dma_supported()
751 void arch_dma_set_mask(struct device *dev, u64 mask);
753 #define arch_dma_set_mask(dev, mask)	do { } while (0)  argument
756 int dma_set_mask(struct device *dev, u64 mask)  in dma_set_mask()  argument
762 	mask = (dma_addr_t)mask;  in dma_set_mask()
764 	if (!dev->dma_mask || !dma_supported(dev, mask))  in dma_set_mask()
767 	arch_dma_set_mask(dev, mask);  in dma_set_mask()
768 	*dev->dma_mask = mask;  in dma_set_mask()
773 int dma_set_coherent_mask(struct device *dev, u64 mask)  in dma_set_coherent_mask()  argument
779 	mask = (dma_addr_t)mask;  in dma_set_coherent_mask()
781 	if (!dma_supported(dev, mask))  in dma_set_coherent_mask()
784 	dev->coherent_dma_mask = mask;  in dma_set_coherent_mask()