diff --git a/[refs] b/[refs]
index da0cbeb6d6c6..8e12573e704a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 66af83ddf7b5a4ea94e79cbeadaa0aeed4def5f7
+refs/heads/master: 4c647338267e14c93892f6f125f17ea2419eea51
diff --git a/trunk/drivers/usb/musb/musb_host.c b/trunk/drivers/usb/musb/musb_host.c
index 877d20b1dff9..9e65c47cc98b 100644
--- a/trunk/drivers/usb/musb/musb_host.c
+++ b/trunk/drivers/usb/musb/musb_host.c
@@ -660,6 +660,12 @@ static bool musb_tx_dma_program(struct dma_controller *dma,
 
 	qh->segsize = length;
 
+	/*
+	 * Ensure the data reaches to main memory before starting
+	 * DMA transfer
+	 */
+	wmb();
+
 	if (!dma->channel_program(channel, pkt_size, mode,
 			urb->transfer_dma + offset, length)) {
 		dma->channel_release(channel);