2 files changed, 19 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index bf06926f677d..f5c4628698b9 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -69,6 +69,22 @@ struct dma_mapping_ops *get_pci_dma_ops(void)
 }
 EXPORT_SYMBOL(get_pci_dma_ops);
 
+
+int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+        return dma_set_mask(&dev->dev, mask);
+}
+
+int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+        int rc;
+
+        rc = dma_set_mask(&dev->dev, mask);
+        dev->dev.coherent_dma_mask = dev->dma_mask;
+
+        return rc;
+}
+
 static void fixup_broken_pcnet32(struct pci_dev* dev)
 {
         if ((dev->class>>8 == PCI_CLASS_NETWORK_ETHERNET)) {
diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h
index ff52013c0e2d..e974876e18d2 100644
--- a/include/asm-powerpc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -87,6 +87,9 @@ static inline int dma_supported(struct device *dev, u64 mask)
         return dma_ops->dma_supported(dev, mask);
 }
 
+/* We have our own implementation of pci_set_dma_mask() */
+#define HAVE_ARCH_PCI_SET_DMA_MASK
+
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
         struct dma_mapping_ops *dma_ops = get_dma_ops(dev);