xen-swiotlb: remove xen_swiotlb_set_dma_mask (a88f5401) · Commits · 戴 / test

drivers/xen/swiotlb-xen.c

+0 −12

Original line number	Diff line number	Diff line
		@@ -661,17 +661,6 @@ xen_swiotlb_dma_supported(struct device *hwdev, u64 mask)
		return xen_virt_to_bus(xen_io_tlb_end - 1) <= mask;
		}

		static int
		xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask)
		{
		if (!dev->dma_mask \|\| !xen_swiotlb_dma_supported(dev, dma_mask))
		return -EIO;

		*dev->dma_mask = dma_mask;

		return 0;
		}

		/*
		* Create userspace mapping for the DMA-coherent memory.
		* This function should be called with the pages from the current domain only,
		@@ -734,7 +723,6 @@ const struct dma_map_ops xen_swiotlb_dma_ops = {
		.map_page = xen_swiotlb_map_page,
		.unmap_page = xen_swiotlb_unmap_page,
		.dma_supported = xen_swiotlb_dma_supported,
		.set_dma_mask = xen_swiotlb_set_dma_mask,
		.mmap = xen_swiotlb_dma_mmap,
		.get_sgtable = xen_swiotlb_get_sgtable,
		.mapping_error = xen_swiotlb_mapping_error,