From 28f6256f44f6ffe317e29d92a72e6e95f2d34802 Mon Sep 17 00:00:00 2001
From: "Mutalik Desai, Suprasad" <suprasad.desai@intel.com>
Date: Tue, 27 Mar 2018 11:37:05 +0200
Subject: [PATCH] Merge pull request #289 in SW_PON/linux from
bugfix/UGW_SW-23106-fix-for-set-interface-failure-cdc_ncm-8.1.x_ER2 to
8.1_ER2
* commit '38a03d3f283bab31bfecfc41f4a01e1efc99f7a6':
Jira: UGW_SW-23016 - lte function enable-fix altsetting set failure for Fibcom module-8.1.x_ER2
---
drivers/net/usb/cdc_ncm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index c72beba29..a27001558 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -878,9 +878,14 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
* Some other devices do not work properly with this procedure
* that can be avoided using quirk CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE
*/
+ /* Temporary workaround for Fibocom LTE module.
+ * The Fibocom module can not activate the alternative setting
+ * in the last interface if setting data interface first.
+ */
+ /*
if (!(ctx->drvflags & CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE))
usb_set_interface(dev->udev, iface_no, data_altsetting);
-
+ */
temp = usb_set_interface(dev->udev, iface_no, 0);
if (temp) {
dev_dbg(&intf->dev, "set interface failed\n");
--
GitLab