Commit a88f5401 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

xen-swiotlb: remove xen_swiotlb_set_dma_mask 



This just duplicates the generic implementation.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 64273a61

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,