leds: pwm: Remove atomic code paths

PWM devices have all been marked as "might sleep" since v4.5. It no
longer makes sense to keep the alternative code paths around because
it is effectively dead code.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index a9145aa7f36a017327f9c7b74140ec5d1a730e40..8d456dc6c5bfecb68daab1b753754d062e862193 100644 (file)
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -29,7 +29,6 @@ struct led_pwm_data {
        unsigned int            active_low;
        unsigned int            period;
        int                     duty;
-       bool                    can_sleep;
 };
 
 struct led_pwm_priv {
@@ -49,8 +48,8 @@ static void __led_pwm_set(struct led_pwm_data *led_dat)
                pwm_enable(led_dat->pwm);
 }
 
-static void led_pwm_set(struct led_classdev *led_cdev,
-       enum led_brightness brightness)
+static int led_pwm_set(struct led_classdev *led_cdev,
+                      enum led_brightness brightness)
 {
        struct led_pwm_data *led_dat =
                container_of(led_cdev, struct led_pwm_data, cdev);
@@ -66,12 +65,7 @@ static void led_pwm_set(struct led_classdev *led_cdev,
        led_dat->duty = duty;
 
        __led_pwm_set(led_dat);
-}
 
-static int led_pwm_set_blocking(struct led_classdev *led_cdev,
-       enum led_brightness brightness)
-{
-       led_pwm_set(led_cdev, brightness);
        return 0;
 }
 
@@ -112,11 +106,7 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
                return ret;
        }
 
-       led_data->can_sleep = pwm_can_sleep(led_data->pwm);
-       if (!led_data->can_sleep)
-               led_data->cdev.brightness_set = led_pwm_set;
-       else
-               led_data->cdev.brightness_set_blocking = led_pwm_set_blocking;
+       led_data->cdev.brightness_set_blocking = led_pwm_set;
 
        /*
         * FIXME: pwm_apply_args() should be removed when switching to the