1 files changed, 2 insertions, 2 deletions

diff --git a/lib/dma-noop.c b/lib/dma-noop.c
index 3d766e78fbe2..de26c8b68f34 100644
--- a/lib/dma-noop.c
+++ b/lib/dma-noop.c
@@ -1,7 +1,7 @@
 /*
  *      lib/dma-noop.c
  *
- * Simple DMA noop-ops that map 1:1 with memory
+ * DMA operations that map to physical addresses without flushing memory.
  */
 #include <linux/export.h>
 #include <linux/mm.h>
@@ -64,7 +64,7 @@ static int dma_noop_supported(struct device *dev, u64 mask)
         return 1;
 }
 
-struct dma_map_ops dma_noop_ops = {
+const struct dma_map_ops dma_noop_ops = {
         .alloc                  = dma_noop_alloc,
         .free                   = dma_noop_free,
         .map_page               = dma_noop_map_page,