Linux 3.14

[~andy/linux] / drivers / leds / leds-pwm.c

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index b31d8e99c41992c77610fe5ca1694211035ea592..605047428b5ad75e2d67add0edaecb912d35581a 100644 (file)
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -66,9 +66,11 @@ static void led_pwm_set(struct led_classdev *led_cdev,
        struct led_pwm_data *led_dat =
                container_of(led_cdev, struct led_pwm_data, cdev);
        unsigned int max = led_dat->cdev.max_brightness;
-       unsigned int period =  led_dat->period;
+       unsigned long long duty =  led_dat->period;
 
-       led_dat->duty = brightness * period / max;
+       duty *= brightness;
+       do_div(duty, max);
+       led_dat->duty = duty;
 
        if (led_dat->can_sleep)
                schedule_work(&led_dat->work);
@@ -85,11 +87,10 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds)
 static int led_pwm_create_of(struct platform_device *pdev,
                             struct led_pwm_priv *priv)
 {
-       struct device_node *node = pdev->dev.of_node;
        struct device_node *child;
        int ret;
 
-       for_each_child_of_node(node, child) {
+       for_each_child_of_node(pdev->dev.of_node, child) {
                struct led_pwm_data *led_dat = &priv->leds[priv->num_leds];
 
                led_dat->cdev.name = of_get_property(child, "label",