Commit a88f5401 authored by Christoph Hellwig's avatar Christoph Hellwig

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
...@@ -661,17 +661,6 @@ xen_swiotlb_dma_supported(struct device *hwdev, u64 mask) ...@@ -661,17 +661,6 @@ xen_swiotlb_dma_supported(struct device *hwdev, u64 mask)
return xen_virt_to_bus(xen_io_tlb_end - 1) <= 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. * Create userspace mapping for the DMA-coherent memory.
* This function should be called with the pages from the current domain only, * 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 = { ...@@ -734,7 +723,6 @@ const struct dma_map_ops xen_swiotlb_dma_ops = {
.map_page = xen_swiotlb_map_page, .map_page = xen_swiotlb_map_page,
.unmap_page = xen_swiotlb_unmap_page, .unmap_page = xen_swiotlb_unmap_page,
.dma_supported = xen_swiotlb_dma_supported, .dma_supported = xen_swiotlb_dma_supported,
.set_dma_mask = xen_swiotlb_set_dma_mask,
.mmap = xen_swiotlb_dma_mmap, .mmap = xen_swiotlb_dma_mmap,
.get_sgtable = xen_swiotlb_get_sgtable, .get_sgtable = xen_swiotlb_get_sgtable,
.mapping_error = xen_swiotlb_mapping_error, .mapping_error = xen_swiotlb_mapping_error,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment