[IA64] use common header for software IO/TLB

Remove the swiotlb prototypes from the architecture code and use the
common header file instead.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 88b6e6f..2769dbf 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -13,19 +13,12 @@
  */
 
 #include <linux/device.h>
+#include <linux/swiotlb.h>
 
 #include <asm/machvec.h>
 
 /* swiotlb declarations & definitions: */
 extern int swiotlb_late_init_with_default_size (size_t size);
-extern ia64_mv_dma_alloc_coherent	swiotlb_alloc_coherent;
-extern ia64_mv_dma_free_coherent	swiotlb_free_coherent;
-extern ia64_mv_dma_map_single_attrs	swiotlb_map_single_attrs;
-extern ia64_mv_dma_unmap_single_attrs	swiotlb_unmap_single_attrs;
-extern ia64_mv_dma_map_sg_attrs		swiotlb_map_sg_attrs;
-extern ia64_mv_dma_unmap_sg_attrs	swiotlb_unmap_sg_attrs;
-extern ia64_mv_dma_supported		swiotlb_dma_supported;
-extern ia64_mv_dma_mapping_error	swiotlb_dma_mapping_error;
 
 /* hwiommu declarations & definitions: */