From c2a6c7813f1ffae636e369b5d7011c9f518d3cd9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Bj=C3=B8rn=20Mork?= Date: Thu, 17 Jul 2014 13:34:09 +0200 Subject: [PATCH] net: huawei_cdc_ncm: add "subclass 3" devices MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- 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 5d95a13dbe2a..735f7dadb9a0 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -194,6 +194,9 @@ 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 */ { -- 2.20.1