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path: root/drivers/net/usb/qmi_wwan.c
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Diffstat (limited to 'drivers/net/usb/qmi_wwan.c')
-rw-r--r--drivers/net/usb/qmi_wwan.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index b96a3dc775a4..29568ea8a9f2 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -218,6 +218,28 @@ skip:
return 1;
}
+static ssize_t mux_id_show(struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct net_device *dev = to_net_dev(d);
+ struct qmimux_priv *priv;
+
+ priv = netdev_priv(dev);
+
+ return sysfs_emit(buf, "0x%02x\n", priv->mux_id);
+}
+
+static DEVICE_ATTR_RO(mux_id);
+
+static struct attribute *qmi_wwan_sysfs_qmimux_attrs[] = {
+ &dev_attr_mux_id.attr,
+ NULL,
+};
+
+static struct attribute_group qmi_wwan_sysfs_qmimux_attr_group = {
+ .name = "qmap",
+ .attrs = qmi_wwan_sysfs_qmimux_attrs,
+};
+
static int qmimux_register_device(struct net_device *real_dev, u8 mux_id)
{
struct net_device *new_dev;
@@ -240,6 +262,8 @@ static int qmimux_register_device(struct net_device *real_dev, u8 mux_id)
goto out_free_newdev;
}
+ new_dev->sysfs_groups[0] = &qmi_wwan_sysfs_qmimux_attr_group;
+
err = register_netdevice(new_dev);
if (err < 0)
goto out_free_newdev;