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leds: pwm: Remove atomic code paths

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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>
This commit is contained in:
Thierry Reding 2017-01-04 09:37:56 +01:00
parent 0c744ea4f7
commit 247bde13b9
1 changed files with 3 additions and 13 deletions
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16
drivers/leds/leds-pwm.c
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@ -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