diff options
Diffstat (limited to 'drivers/hwmon/adt7461.c')
| -rw-r--r-- | drivers/hwmon/adt7461.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/hwmon/adt7461.c b/drivers/hwmon/adt7461.c index bf71f993cd2c..10ea2eb80668 100644 --- a/drivers/hwmon/adt7461.c +++ b/drivers/hwmon/adt7461.c @@ -120,6 +120,7 @@ struct adt7461_data { u8 temp_hyst; u8 alarms; /* bitvector */ void (*alarm_fn)(bool raised); + int irq_gpio; }; /* @@ -498,11 +499,10 @@ static void adt7461_work_func(struct work_struct *work) { struct adt7461_data *data = container_of(work, struct adt7461_data, work); - int irq = data->client->irq; if (data->alarm_fn) { /* Therm2 line is active low */ - data->alarm_fn(!gpio_get_value(irq_to_gpio(irq))); + data->alarm_fn(!gpio_get_value(data->irq_gpio)); } } @@ -572,9 +572,19 @@ static int adt7461_init_client(struct i2c_client *client) if (!pdata || !pdata->supported_hwrev) return -ENODEV; - if (pdata->therm2) + data->irq_gpio = -1; + + if (pdata->therm2) { data->flags |= ADT7461_FLAG_THERM2; + if (gpio_is_valid(pdata->irq_gpio)) { + if (!IS_ERR(gpio_request(pdata->irq_gpio, "adt7461"))) { + gpio_direction_input(pdata->irq_gpio); + data->irq_gpio = pdata->irq_gpio; + } + } + } + if (pdata->ext_range) data->flags |= ADT7461_FLAG_ADT7461_EXT; @@ -708,8 +718,12 @@ static int adt7461_remove(struct i2c_client *client) { struct adt7461_data *data = i2c_get_clientdata(client); - free_irq(client->irq, data); - cancel_work_sync(&data->work); + if (data->flags & ADT7461_FLAG_THERM2) { + free_irq(client->irq, data); + cancel_work_sync(&data->work); + } + if (gpio_is_valid(data->irq_gpio)) + gpio_free(data->irq_gpio); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &adt7461_group); device_remove_file(&client->dev, |