From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757938AbaHHUrA (ORCPT ); Fri, 8 Aug 2014 16:47:00 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:40462 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756925AbaHHUqu (ORCPT ); Fri, 8 Aug 2014 16:46:50 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Enrico Mioso , =?UTF-8?q?Bj=C3=B8rn=20Mork?= , "David S. Miller" , Kamal Mostafa Subject: [PATCH 3.13 256/259] net: huawei_cdc_ncm: add "subclass 3" devices Date: Fri, 8 Aug 2014 13:41:19 -0700 Message-Id: <1407530482-4483-257-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1407530482-4483-1-git-send-email-kamal@canonical.com> References: <1407530482-4483-1-git-send-email-kamal@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Extended-Stable: 3.13 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.13.11.6 -stable review patch. If anyone has any objections, please let me know. ------------------ From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= [ Upstream commit c2a6c7813f1ffae636e369b5d7011c9f518d3cd9 ] Huawei's usage of the subclass and protocol fields is not 100% clear to us, but there appears to be a very strict system. A device with the "shared" device ID 12d1:1506 and this NCM function was recently reported (showing only default altsetting): Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 3 bInterfaceProtocol 22 iInterface 8 CDC Network Control Model (NCM) ** UNRECOGNIZED: 05 24 00 10 01 ** UNRECOGNIZED: 06 24 1a 00 01 1f ** UNRECOGNIZED: 0c 24 1b 00 01 00 04 10 14 dc 05 20 ** UNRECOGNIZED: 0d 24 0f 0a 0f 00 00 00 ea 05 03 00 01 ** UNRECOGNIZED: 05 24 06 01 01 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 9 Cc: Enrico Mioso Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller Signed-off-by: Kamal Mostafa --- drivers/net/usb/huawei_cdc_ncm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 75d9ee4..a014625 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -207,6 +207,9 @@ static const struct usb_device_id huawei_cdc_ncm_devs[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x76), .driver_info = (unsigned long)&huawei_cdc_ncm_info, }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x03, 0x16), + .driver_info = (unsigned long)&huawei_cdc_ncm_info, + }, /* Terminating entry */ { -- 1.9.1