dma-mapping: make the get_required_mask method available unconditionally

This save some duplication for ia64, and makes the interface more
general.  In the long run we want each dma_map_ops instance to fill this
out, but this will take a little more prep work.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index fd2dbd7eed7b..f31ed62d518c 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -404,12 +404,10 @@ static int vmd_dma_supported(struct device *dev, u64 mask)
         return vmd_dma_ops(dev)->dma_supported(to_vmd_dev(dev), mask);
 }
 
-#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
 static u64 vmd_get_required_mask(struct device *dev)
 {
         return vmd_dma_ops(dev)->get_required_mask(to_vmd_dev(dev));
 }
-#endif
 
 static void vmd_teardown_dma_ops(struct vmd_dev *vmd)
 {
@@ -450,9 +448,7 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd)
         ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_device);
         ASSIGN_VMD_DMA_OPS(source, dest, mapping_error);
         ASSIGN_VMD_DMA_OPS(source, dest, dma_supported);
-#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
         ASSIGN_VMD_DMA_OPS(source, dest, get_required_mask);
-#endif
         add_dma_domain(domain);
 }
 #undef ASSIGN_VMD_DMA_OPS