diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 94c0f3f7df699c1c58b83b2573e7e2d2c4cfa7ed..fc56c70677321fdccea9ccd95e9ace4f697f8504 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -198,7 +198,7 @@ static const struct file_operations pmu_battery_proc_fops;
 static const struct file_operations pmu_options_proc_fops;
 
 #ifdef CONFIG_ADB
-struct adb_driver via_pmu_driver = {
+const struct adb_driver via_pmu_driver = {
 	"PMU",
 	pmu_probe,
 	pmu_init,