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hwmon: (gpio-fan) move fan_alarm_init after devm_hwmon_device_register_with_groups

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This makes it possible to use the hwmon_dev in fan_alarm_notify(). Otherwise
it would be possible, that a interupt arrives and fan_alarm_notify() is
executed, before hwmon_dev is initialized.

Signed-off-by: Christian Schneider <cschneider@radiodata.biz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Christian Schneider 2019-07-02 15:23:37 +02:00 committed by Guenter Roeck
parent 7a1d220ccb
commit f2173fa224
1 changed files with 7 additions and 7 deletions
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14
drivers/hwmon/gpio-fan.c
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@ -510,13 +510,6 @@ static int gpio_fan_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, fan_data);
mutex_init(&fan_data->lock);
/* Configure alarm GPIO if available. */
if (fan_data->alarm_gpio) {
err = fan_alarm_init(fan_data);
if (err)
return err;
}
/* Configure control GPIOs if available. */
if (fan_data->gpios && fan_data->num_gpios > 0) {
if (!fan_data->speed || fan_data->num_speed <= 1)
@ -537,6 +530,13 @@ static int gpio_fan_probe(struct platform_device *pdev)
if (IS_ERR(fan_data->hwmon_dev))
return PTR_ERR(fan_data->hwmon_dev);
/* Configure alarm GPIO if available. */
if (fan_data->alarm_gpio) {
err = fan_alarm_init(fan_data);
if (err)
return err;
}
/* Optional cooling device register for Device tree platforms */
fan_data->cdev = devm_thermal_of_cooling_device_register(dev, np,
"gpio-fan", fan_data, &gpio_fan_cool_ops);