diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-gpio.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index d13b622419df..4c0b05852cb6 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -49,13 +49,13 @@ static void gpio_led_set(struct led_classdev *led_cdev, if (led_dat->active_low) level = !level; - /* setting GPIOs with I2C/etc requires a preemptible task context */ + /* Setting GPIOs with I2C/etc requires a task context, and we don't + * seem to have a reliable way to know if we're already in one; so + * let's just assume the worst. + */ if (led_dat->can_sleep) { - if (preempt_count()) { - led_dat->new_level = level; - schedule_work(&led_dat->work); - } else - gpio_set_value_cansleep(led_dat->gpio, level); + led_dat->new_level = level; + schedule_work(&led_dat->work); } else gpio_set_value(led_dat->gpio, level); } |