net: cdc_ncm, cdc_mbim: allow user to prefer NCM for backwards compatibility

[deliverable/linux.git] / drivers / net / usb / cdc_mbim.c

diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 248d2dc765a5c06c64ab3c27c47f38d36bf14c20..16c842997291483eb12306d9ccf0a638772f18f0 100644 (file)
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -68,18 +68,9 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf)
        struct cdc_ncm_ctx *ctx;
        struct usb_driver *subdriver = ERR_PTR(-ENODEV);
        int ret = -ENODEV;
-       u8 data_altsetting = CDC_NCM_DATA_ALTSETTING_NCM;
+       u8 data_altsetting = cdc_ncm_select_altsetting(dev, intf);
        struct cdc_mbim_state *info = (void *)&dev->data;
 
-       /* see if interface supports MBIM alternate setting */
-       if (intf->num_altsetting == 2) {
-               if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
-                       usb_set_interface(dev->udev,
-                                         intf->cur_altsetting->desc.bInterfaceNumber,
-                                         CDC_NCM_COMM_ALTSETTING_MBIM);
-               data_altsetting = CDC_NCM_DATA_ALTSETTING_MBIM;
-       }
-
        /* Probably NCM, defer for cdc_ncm_bind */
        if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
                goto err;