1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 5c07a61447d3..e4ea7f6aef20 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -199,6 +199,9 @@ enum {
 #define MT7622_TS1      0
 #define MT7622_NUM_CONTROLLER           1
 
+/* The maximum number of banks */
+#define MAX_NUM_ZONES           8
+
 /* The calibration coefficient of sensor  */
 #define MT7622_CALIBRATION      165
 
@@ -249,7 +252,7 @@ struct mtk_thermal_data {
         const int num_controller;
         const int *controller_offset;
         bool need_switch_bank;
-        struct thermal_bank_cfg bank_data[];
+        struct thermal_bank_cfg bank_data[MAX_NUM_ZONES];
 };
 
 struct mtk_thermal {
@@ -268,7 +271,7 @@ struct mtk_thermal {
         s32 vts[MAX_NUM_VTS];
 
         const struct mtk_thermal_data *conf;
-        struct mtk_thermal_bank banks[];
+        struct mtk_thermal_bank banks[MAX_NUM_ZONES];
 };
 
 /* MT8183 thermal sensor data */