diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index af3ab48..3d75f4a 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -233,7 +233,7 @@
 	return pwmchip_remove(&pc->chip);
 }
 
-static struct of_device_id tegra_pwm_of_match[] = {
+static const struct of_device_id tegra_pwm_of_match[] = {
 	{ .compatible = "nvidia,tegra20-pwm" },
 	{ .compatible = "nvidia,tegra30-pwm" },
 	{ }