diff --git a/[refs] b/[refs]
index 876a7bb1befd..c8927877e9f6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3d9ea9e3af048ab6b8dced15248384e548ba05ea
+refs/heads/master: 21b764e075e74f8af90da9f623aa3e2167484687
diff --git a/trunk/drivers/dma/ioat/dma_v2.c b/trunk/drivers/dma/ioat/dma_v2.c
index cb8864d45601..143cb1b3cb26 100644
--- a/trunk/drivers/dma/ioat/dma_v2.c
+++ b/trunk/drivers/dma/ioat/dma_v2.c
@@ -575,9 +575,9 @@ bool reshape_ring(struct ioat2_dma_chan *ioat, int order)
 	 */
 	struct ioat_chan_common *chan = &ioat->base;
 	struct dma_chan *c = &chan->common;
-	const u16 curr_size = ioat2_ring_size(ioat);
+	const u32 curr_size = ioat2_ring_size(ioat);
 	const u16 active = ioat2_ring_active(ioat);
-	const u16 new_size = 1 << order;
+	const u32 new_size = 1 << order;
 	struct ioat_ring_ent **ring;
 	u16 i;
 
diff --git a/trunk/drivers/dma/ioat/dma_v2.h b/trunk/drivers/dma/ioat/dma_v2.h
index a2c413b2b8d8..be2a55b95c23 100644
--- a/trunk/drivers/dma/ioat/dma_v2.h
+++ b/trunk/drivers/dma/ioat/dma_v2.h
@@ -74,7 +74,7 @@ static inline struct ioat2_dma_chan *to_ioat2_chan(struct dma_chan *c)
 	return container_of(chan, struct ioat2_dma_chan, base);
 }
 
-static inline u16 ioat2_ring_size(struct ioat2_dma_chan *ioat)
+static inline u32 ioat2_ring_size(struct ioat2_dma_chan *ioat)
 {
 	return 1 << ioat->alloc_order;
 }
@@ -91,7 +91,7 @@ static inline u16 ioat2_ring_pending(struct ioat2_dma_chan *ioat)
 	return CIRC_CNT(ioat->head, ioat->issued, ioat2_ring_size(ioat));
 }
 
-static inline u16 ioat2_ring_space(struct ioat2_dma_chan *ioat)
+static inline u32 ioat2_ring_space(struct ioat2_dma_chan *ioat)
 {
 	return ioat2_ring_size(ioat) - ioat2_ring_active(ioat);
 }