diff options
Diffstat (limited to 'drivers/net/wwan')
| -rw-r--r-- | drivers/net/wwan/wwan_core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c index 92a8a6ffc567..6e8f19c71a9e 100644 --- a/drivers/net/wwan/wwan_core.c +++ b/drivers/net/wwan/wwan_core.c @@ -63,6 +63,20 @@ struct wwan_port { wait_queue_head_t waitqueue; }; +static ssize_t index_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct wwan_device *wwan = to_wwan_dev(dev); + + return sprintf(buf, "%d\n", wwan->id); +} +static DEVICE_ATTR_RO(index); + +static struct attribute *wwan_dev_attrs[] = { + &dev_attr_index.attr, + NULL, +}; +ATTRIBUTE_GROUPS(wwan_dev); + static void wwan_dev_destroy(struct device *dev) { struct wwan_device *wwandev = to_wwan_dev(dev); @@ -74,6 +88,7 @@ static void wwan_dev_destroy(struct device *dev) static const struct device_type wwan_dev_type = { .name = "wwan_dev", .release = wwan_dev_destroy, + .groups = wwan_dev_groups, }; static int wwan_dev_parent_match(struct device *dev, const void *parent) |