regulator: pwm: Drop unneeded pwm_enable() call

Now that the PWM regulator driver implements the ->enable/disable() hooks
we can remove the pwm_enable() call from pwm_regulator_set_voltage().

Signed-off-by: Boris Brezillon <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index fafa348..ab3cc02 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -159,11 +159,6 @@
 		return ret;
 	}
 
-	ret = pwm_enable(drvdata->pwm);
-	if (ret) {
-		dev_err(&rdev->dev, "Failed to enable PWM: %d\n", ret);
-		return ret;
-	}
 	drvdata->volt_uV = min_uV;
 
 	/* Delay required by PWM regulator to settle to the new voltage */