diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index c044fba..62cf8a9 100644
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -28,7 +28,7 @@ static const struct ci_hdrc_platform_data ci_default_pdata = {
 	.flags		= CI_HDRC_DISABLE_STREAMING,
 };
 
-static struct ci_hdrc_platform_data ci_zynq_pdata = {
+static const struct ci_hdrc_platform_data ci_zynq_pdata = {
 	.capoffset	= DEF_CAPOFFSET,
 };