diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 2ba086b..59e7586 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -1514,7 +1514,7 @@
 
 	entry->type		= dma_debug_resource;
 	entry->dev		= dev;
-	entry->pfn		= __phys_to_pfn(addr);
+	entry->pfn		= PHYS_PFN(addr);
 	entry->offset		= offset_in_page(addr);
 	entry->size		= size;
 	entry->dev_addr		= dma_addr;