linux-kernel - [PATCH 4.14 51/71] USB: serial: option: Add support for ZTE MF871A

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Date:   Thu, 22 Aug 2019 10:19:26 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Hiroyuki Yamamoto <hyamamo@...ied-telesis.co.jp>,
        Yoshiaki Okamoto <yokamoto@...ied-telesis.co.jp>,
        Johan Hovold <johan@...nel.org>
Subject: [PATCH 4.14 51/71] USB: serial: option: Add support for ZTE MF871A

From: Yoshiaki Okamoto <yokamoto@...ied-telesis.co.jp>

commit 7e7ae38bf928c5cfa6dd6e9a2cf8b42c84a27c92 upstream.

This patch adds support for MF871A USB modem (aka Speed USB STICK U03)
to option driver. This modem is manufactured by ZTE corporation, and
sold by KDDI.

Interface layout:
0: AT
1: MODEM

usb-devices output:
T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  9 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=19d2 ProdID=1481 Rev=52.87
S:  Manufacturer=ZTE,Incorporated
S:  Product=ZTE Technologies MSM
S:  SerialNumber=1234567890ABCDEF
C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option

Co-developed-by: Hiroyuki Yamamoto <hyamamo@...ied-telesis.co.jp>
Signed-off-by: Hiroyuki Yamamoto <hyamamo@...ied-telesis.co.jp>
Signed-off-by: Yoshiaki Okamoto <yokamoto@...ied-telesis.co.jp>
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/option.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1552,6 +1552,7 @@ static const struct usb_device_id option
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff),  /* Telewell TW-LTE 4G v2 */
 	  .driver_info = RSVD(2) },
 	{ USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) },	/* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0x00, 0x00) }, /* ZTE MF871A */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },