diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 957b42198328f74809cf944ef33a023cb5745b41..8e11fb2831cd20cb9e4b95415aee05041bb7813b 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -704,8 +704,6 @@ ccio_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt)
  * ccio_dma_supported - Verify the IOMMU supports the DMA address range.
  * @dev: The PCI device.
  * @mask: A bit mask describing the DMA address range of the device.
- *
- * This function implements the pci_dma_supported function.
  */
 static int 
 ccio_dma_supported(struct device *dev, u64 mask)
diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index c110843fc53b3f80174496148df8798c866db1b5..eafce7b6f052384c549a1c10f20f09b5356a6f04 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -6,12 +6,6 @@
 
 #include <linux/dma-mapping.h>
 
-static inline int
-pci_dma_supported(struct pci_dev *hwdev, u64 mask)
-{
-	return dma_supported(hwdev == NULL ? NULL : &hwdev->dev, mask);
-}
-
 static inline void *
 pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
 		     dma_addr_t *dma_handle)