This is a note to let you know that I've just added the patch titled
net: huawei_cdc_ncm: add "subclass 3" devices
to the 3.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-huawei_cdc_ncm-add-subclass-3-devices.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sat Jul 26 10:16:13 PDT 2014
From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@xxxxxxx>
Date: Thu, 17 Jul 2014 13:34:09 +0200
Subject: net: huawei_cdc_ncm: add "subclass 3" devices
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From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn@xxxxxxx>
[ 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 <mrkiko.rs@xxxxxxxxx>
Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/usb/huawei_cdc_ncm.c | 3 +++
1 file changed, 3 insertions(+)
--- 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
{ 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 */
{
Patches currently in stable-queue which might be from bjorn@xxxxxxx are
queue-3.15/net-qmi_wwan-add-two-sierra-wireless-netgear-devices.patch
queue-3.15/net-huawei_cdc_ncm-add-subclass-3-devices.patch
queue-3.15/net-qmi_wwan-add-id-for-telewell-tw-lte-4g-v2.patch
queue-3.15/net-huawei_cdc_ncm-increase-command-buffer-size.patch
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