diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-22 11:52:17 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 15:54:50 +0200 |
| commit | a88f5401010115ae8b1a21c1609f2fb4332ea5eb (patch) | |
| tree | 59175fabb1af3ff320092944c16552da28ce9787 /drivers/xen/swiotlb-xen.c | |
| parent | arm: implement ->dma_supported instead of ->set_dma_mask (diff) | |
| download | linux-a88f5401010115ae8b1a21c1609f2fb4332ea5eb.tar.xz linux-a88f5401010115ae8b1a21c1609f2fb4332ea5eb.zip | |
xen-swiotlb: remove xen_swiotlb_set_dma_mask
This just duplicates the generic implementation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/xen/swiotlb-xen.c')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index c3a04b2d7532..82fc54f8eb77 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -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, |