powerpc/iommu: Rename iommu_[un]map_sg functions

The IOMMU-API gained support for a new iommu_map_sg
function. This causes compile failures on powerpc because
the function name is already globally used there.
This patch renames adds a ppc_ prefix to these functions to
solve the compile problem.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 54d0116256f7..4c68bfe4108a 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -60,16 +60,16 @@ static int dma_iommu_map_sg(struct device *dev, struct scatterlist *sglist,
                             int nelems, enum dma_data_direction direction,
                             struct dma_attrs *attrs)
 {
-        return iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
-                            device_to_mask(dev), direction, attrs);
+        return ppc_iommu_map_sg(dev, get_iommu_table_base(dev), sglist, nelems,
+                                device_to_mask(dev), direction, attrs);
 }
 
 static void dma_iommu_unmap_sg(struct device *dev, struct scatterlist *sglist,
                 int nelems, enum dma_data_direction direction,
                 struct dma_attrs *attrs)
 {
-        iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems, direction,
-                       attrs);
+        ppc_iommu_unmap_sg(get_iommu_table_base(dev), sglist, nelems,
+                           direction, attrs);
 }
 
 /* We support DMA to/from any memory page via the iommu */