diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_smem.c
index 057528e23d3ab36c024a9cd286679ca33a81cb4d..892f2b92a4d854d5122887f21591184e18973b0f 100644
--- a/drivers/rpmsg/qcom_glink_smem.c
+++ b/drivers/rpmsg/qcom_glink_smem.c
@@ -183,6 +183,9 @@ static void glink_smem_tx_write(struct qcom_glink_pipe *glink_pipe,
 	if (head >= pipe->native.length)
 		head -= pipe->native.length;
 
+	/* Ensure ordering of fifo and head update */
+	wmb();
+
 	*pipe->head = cpu_to_le32(head);
 }