Input: constify of_device_id arrays

of_device_id is always used as const argument (See driver.of_match_table
and open firmware functions).
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/palmas-pwrbutton.c

@@ -304,7 +304,7 @@ static SIMPLE_DEV_PM_OPS(palmas_pwron_pm,
 			 palmas_pwron_suspend, palmas_pwron_resume);
 
 #ifdef CONFIG_OF
-static struct of_device_id of_palmas_pwr_match[] = {
+static const struct of_device_id of_palmas_pwr_match[] = {
 	{ .compatible = "ti,palmas-pwrbutton" },
 	{ },
 };

drivers/input/misc/regulator-haptic.c

@@ -245,7 +245,7 @@ static int __maybe_unused regulator_haptic_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(regulator_haptic_pm_ops,
 		regulator_haptic_suspend, regulator_haptic_resume);
 
-static struct of_device_id regulator_haptic_dt_match[] = {
+static const struct of_device_id regulator_haptic_dt_match[] = {
 	{ .compatible = "regulator-haptic" },
 	{ /* sentinel */ },
 };

drivers/input/misc/tps65218-pwrbutton.c

@@ -106,7 +106,7 @@ static int tps65218_pwron_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id of_tps65218_pwr_match[] = {
+static const struct of_device_id of_tps65218_pwr_match[] = {
 	{ .compatible = "ti,tps65218-pwrbutton" },
 	{ },
 };

drivers/input/touchscreen/ar1021_i2c.c

@@ -157,7 +157,7 @@ static const struct i2c_device_id ar1021_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, ar1021_i2c_id);
 
-static struct of_device_id ar1021_i2c_of_match[] = {
+static const struct of_device_id ar1021_i2c_of_match[] = {
 	{ .compatible = "microchip,ar1021-i2c", },
 	{ }
 };