diff --git a/include/asm-ppc/dma-mapping.h b/include/asm-ppc/dma-mapping.h
index 6f74f59938d4970d72ac74943f223baacf362669..92b8ee78dcc21b6a959219ec9ef8da7872fb26a7 100644
--- a/include/asm-ppc/dma-mapping.h
+++ b/include/asm-ppc/dma-mapping.h
@@ -60,7 +60,8 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 }
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-				       dma_addr_t * dma_handle, int gfp)
+				       dma_addr_t * dma_handle,
+				       unsigned int __nocast gfp)
 {
 #ifdef CONFIG_NOT_COHERENT_CACHE
 	return __dma_alloc_coherent(size, dma_handle, gfp);