diff options
Diffstat (limited to 'drivers/iio/industrialio-trigger.c')
| -rw-r--r-- | drivers/iio/industrialio-trigger.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index 2ef36d15ccc5..4fe0ead84213 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -51,25 +51,19 @@ static ssize_t iio_trigger_read_name(struct device *dev, static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL); -/** - * iio_trigger_register_sysfs() - create a device for this trigger - * @trig_info: the trigger - * - * Also adds any control attribute registered by the trigger driver - **/ -static int iio_trigger_register_sysfs(struct iio_trigger *trig_info) -{ - return sysfs_add_file_to_group(&trig_info->dev.kobj, - &dev_attr_name.attr, - NULL); -} +static struct attribute *iio_trig_dev_attrs[] = { + &dev_attr_name.attr, + NULL, +}; -static void iio_trigger_unregister_sysfs(struct iio_trigger *trig_info) -{ - sysfs_remove_file_from_group(&trig_info->dev.kobj, - &dev_attr_name.attr, - NULL); -} +static struct attribute_group iio_trig_attr_group = { + .attrs = iio_trig_dev_attrs, +}; + +static const struct attribute_group *iio_trig_attr_groups[] = { + &iio_trig_attr_group, + NULL +}; int iio_trigger_register(struct iio_trigger *trig_info) { @@ -88,10 +82,6 @@ int iio_trigger_register(struct iio_trigger *trig_info) if (ret) goto error_unregister_id; - ret = iio_trigger_register_sysfs(trig_info); - if (ret) - goto error_device_del; - /* Add to list of available triggers held by the IIO core */ mutex_lock(&iio_trigger_list_lock); list_add_tail(&trig_info->list, &iio_trigger_list); @@ -99,8 +89,6 @@ int iio_trigger_register(struct iio_trigger *trig_info) return 0; -error_device_del: - device_del(&trig_info->dev); error_unregister_id: ida_simple_remove(&iio_trigger_ida, trig_info->id); error_ret: @@ -114,7 +102,6 @@ void iio_trigger_unregister(struct iio_trigger *trig_info) list_del(&trig_info->list); mutex_unlock(&iio_trigger_list_lock); - iio_trigger_unregister_sysfs(trig_info); ida_simple_remove(&iio_trigger_ida, trig_info->id); /* Possible issue in here */ device_unregister(&trig_info->dev); @@ -406,6 +393,7 @@ static void iio_trig_release(struct device *device) static struct device_type iio_trig_type = { .release = iio_trig_release, + .groups = iio_trig_attr_groups, }; static void iio_trig_subirqmask(struct irq_data *d) |