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authorChristoph Hellwig <hch@lst.de>2018-09-06 19:27:24 -0400
committerChristoph Hellwig <hch@lst.de>2018-10-01 07:27:00 -0700
commitc6d4381220a0087ce19dbf6984d92c451bd6b364 (patch)
tree137796a9983bcc8282410110a131c0833b659b1b /drivers/pci/controller/vmd.c
parentunicore32: remove swiotlb support (diff)
downloadlinux-dev-c6d4381220a0087ce19dbf6984d92c451bd6b364.tar.xz
linux-dev-c6d4381220a0087ce19dbf6984d92c451bd6b364.zip
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>
Diffstat (limited to 'drivers/pci/controller/vmd.c')
-rw-r--r--drivers/pci/controller/vmd.c4
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