powerpc: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>
diff --git a/arch/powerpc/mm/dma-noncoherent.c b/arch/powerpc/mm/dma-noncoherent.c
index 329be36..6747eec 100644
--- a/arch/powerpc/mm/dma-noncoherent.c
+++ b/arch/powerpc/mm/dma-noncoherent.c
@@ -365,12 +365,11 @@
 	local_irq_save(flags);
 
 	do {
-		start = (unsigned long)kmap_atomic(page + seg_nr,
-				KM_PPC_SYNC_PAGE) + seg_offset;
+		start = (unsigned long)kmap_atomic(page + seg_nr) + seg_offset;
 
 		/* Sync this buffer segment */
 		__dma_sync((void *)start, seg_size, direction);
-		kunmap_atomic((void *)start, KM_PPC_SYNC_PAGE);
+		kunmap_atomic((void *)start);
 		seg_nr++;
 
 		/* Calculate next buffer segment size */