regulator: pwm-regulator: Remove superfluous is_enabled check

The core framework already takes care of this.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/pwm-regulator.c

@@ -23,7 +23,6 @@
 struct pwm_regulator_data {
 	struct pwm_voltages *duty_cycle_table;
 	struct pwm_device *pwm;
-	bool enabled;
 	int state;
 };
 
@@ -60,14 +59,11 @@ static int pwm_regulator_set_voltage_sel(struct regulator_dev *dev,
 
 	drvdata->state = selector;
 
-	if (!drvdata->enabled) {
 	ret = pwm_enable(drvdata->pwm);
 	if (ret) {
 		dev_err(&dev->dev, "Failed to enable PWM\n");
 		return ret;
 	}
-		drvdata->enabled = true;
-	}
 
 	return 0;
 }