mips/loongson64: implement ->dma_supported instead of ->set_dma_mask (69f07be6) · Commits · 戴 / test

arch/mips/loongson64/common/dma-swiotlb.c

+5 −14

Original line number	Diff line number	Diff line
		@@ -75,19 +75,11 @@ static void loongson_dma_sync_sg_for_device(struct device *dev,
		mb();
		}

		static int loongson_dma_set_mask(struct device *dev, u64 mask)
		static int loongson_dma_supported(struct device *dev, u64 mask)
		{
		if (!dev->dma_mask \|\| !dma_supported(dev, mask))
		return -EIO;

		if (mask > DMA_BIT_MASK(loongson_sysconf.dma_mask_bits)) {
		*dev->dma_mask = DMA_BIT_MASK(loongson_sysconf.dma_mask_bits);
		return -EIO;
		}

		*dev->dma_mask = mask;

		if (mask > DMA_BIT_MASK(loongson_sysconf.dma_mask_bits))
		return 0;
		return swiotlb_dma_supported(dev, mask);
		}

		dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
		@@ -126,8 +118,7 @@ static const struct dma_map_ops loongson_dma_map_ops = {
		.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
		.sync_sg_for_device = loongson_dma_sync_sg_for_device,
		.mapping_error = swiotlb_dma_mapping_error,
		.dma_supported = swiotlb_dma_supported,
		.set_dma_mask = loongson_dma_set_mask
		.dma_supported = loongson_dma_supported,
		};

		void __init plat_swiotlb_setup(void)