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path: root/drivers/hwmon/gpio-fan.c
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Diffstat (limited to 'drivers/hwmon/gpio-fan.c')
-rw-r--r--drivers/hwmon/gpio-fan.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index befe989ca7b9..ba408942dbe7 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -37,9 +37,7 @@ struct gpio_fan_data {
int num_speed;
struct gpio_fan_speed *speed;
int speed_index;
-#ifdef CONFIG_PM_SLEEP
int resume_speed;
-#endif
bool pwm_enable;
struct gpio_desc *alarm_gpio;
struct work_struct alarm_work;
@@ -391,6 +389,9 @@ static int gpio_fan_set_cur_state(struct thermal_cooling_device *cdev,
if (!fan_data)
return -EINVAL;
+ if (state >= fan_data->num_speed)
+ return -EINVAL;
+
set_fan_speed(fan_data, state);
return 0;
}
@@ -554,7 +555,6 @@ static void gpio_fan_shutdown(struct platform_device *pdev)
set_fan_speed(fan_data, 0);
}
-#ifdef CONFIG_PM_SLEEP
static int gpio_fan_suspend(struct device *dev)
{
struct gpio_fan_data *fan_data = dev_get_drvdata(dev);
@@ -577,18 +577,14 @@ static int gpio_fan_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(gpio_fan_pm, gpio_fan_suspend, gpio_fan_resume);
-#define GPIO_FAN_PM (&gpio_fan_pm)
-#else
-#define GPIO_FAN_PM NULL
-#endif
+static DEFINE_SIMPLE_DEV_PM_OPS(gpio_fan_pm, gpio_fan_suspend, gpio_fan_resume);
static struct platform_driver gpio_fan_driver = {
.probe = gpio_fan_probe,
.shutdown = gpio_fan_shutdown,
.driver = {
.name = "gpio-fan",
- .pm = GPIO_FAN_PM,
+ .pm = pm_sleep_ptr(&gpio_fan_pm),
.of_match_table = of_match_ptr(of_gpio_fan_match),
},
};