diff --git a/drivers/rpmsg/qcom_smd.c b/drivers/rpmsg/qcom_smd.c
index 6437bbeebc9103479d8fa145316ac7f9137b5223..8695cb041c31078539bda321ab517c7547da28dc 100644
--- a/drivers/rpmsg/qcom_smd.c
+++ b/drivers/rpmsg/qcom_smd.c
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/sched.h>
+#include <linux/sizes.h>
 #include <linux/slab.h>
 #include <linux/soc/qcom/smem.h>
 #include <linux/wait.h>