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linux/drivers/net/usb/qmi_wwan.c
Kristian Evensen e439bd4a4f net: qmi_wwan: Add WeTelecom-WPD600N 
The WeTelecom-WPD600N is an LTE module that, in addition to supporting most
"normal" bands, also supports LTE over 450MHz. Manual testing showed that
only interface number three replies to QMI messages.

Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:50:00 -05:00

863 lines
33 KiB
C
Raw Blame History

/*
* Copyright (c) 2012 Bjørn Mork <bjorn@mork.no>
*
* The probing code is heavily inspired by cdc_ether, which is:
* Copyright (C) 2003-2005 by David Brownell
* Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/usb/cdc.h>
#include <linux/usb/usbnet.h>
#include <linux/usb/cdc-wdm.h>
/* This driver supports wwan (3G/LTE/?) devices using a vendor
* specific management protocol called Qualcomm MSM Interface (QMI) -
* in addition to the more common AT commands over serial interface
* management
*
* QMI is wrapped in CDC, using CDC encapsulated commands on the
* control ("master") interface of a two-interface CDC Union
* resembling standard CDC ECM. The devices do not use the control
* interface for any other CDC messages. Most likely because the
* management protocol is used in place of the standard CDC
* notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE
*
* Alternatively, control and data functions can be combined in a
* single USB interface.
*
* Handling a protocol like QMI is out of the scope for any driver.
* It is exported as a character device using the cdc-wdm driver as
* a subdriver, enabling userspace applications ("modem managers") to
* handle it.
*
* These devices may alternatively/additionally be configured using AT
* commands on a serial interface
*/
/* driver specific data */
struct qmi_wwan_state {
struct usb_driver *subdriver;
atomic_t pmcount;
unsigned long unused;
struct usb_interface *control;
struct usb_interface *data;
};
/* default ethernet address used by the modem */
static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};
/* Make up an ethernet header if the packet doesn't have one.
*
* A firmware bug common among several devices cause them to send raw
* IP packets under some circumstances. There is no way for the
* driver/host to know when this will happen. And even when the bug
* hits, some packets will still arrive with an intact header.
*
* The supported devices are only capably of sending IPv4, IPv6 and
* ARP packets on a point-to-point link. Any packet with an ethernet
* header will have either our address or a broadcast/multicast
* address as destination. ARP packets will always have a header.
*
* This means that this function will reliably add the appropriate
* header iff necessary, provided our hardware address does not start
* with 4 or 6.
*
* Another common firmware bug results in all packets being addressed
* to 00:a0:c6:00:00:00 despite the host address being different.
* This function will also fixup such packets.
*/
static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
__be16 proto;
/* This check is no longer done by usbnet */
if (skb->len < dev->net->hard_header_len)
return 0;
switch (skb->data[0] & 0xf0) {
case 0x40:
proto = htons(ETH_P_IP);
break;
case 0x60:
proto = htons(ETH_P_IPV6);
break;
case 0x00:
if (is_multicast_ether_addr(skb->data))
return 1;
/* possibly bogus destination - rewrite just in case */
skb_reset_mac_header(skb);
goto fix_dest;
default:
/* pass along other packets without modifications */
return 1;
}
if (skb_headroom(skb) < ETH_HLEN)
return 0;
skb_push(skb, ETH_HLEN);
skb_reset_mac_header(skb);
eth_hdr(skb)->h_proto = proto;
eth_zero_addr(eth_hdr(skb)->h_source);
fix_dest:
memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);
return 1;
}
/* very simplistic detection of IPv4 or IPv6 headers */
static bool possibly_iphdr(const char *data)
{
return (data[0] & 0xd0) == 0x40;
}
/* disallow addresses which may be confused with IP headers */
static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
{
int ret;
struct sockaddr *addr = p;
ret = eth_prepare_mac_addr_change(dev, p);
if (ret < 0)
return ret;
if (possibly_iphdr(addr->sa_data))
return -EADDRNOTAVAIL;
eth_commit_mac_addr_change(dev, p);
return 0;
}
static const struct net_device_ops qmi_wwan_netdev_ops = {
.ndo_open = usbnet_open,
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
.ndo_change_mtu = usbnet_change_mtu,
.ndo_set_mac_address = qmi_wwan_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
/* using a counter to merge subdriver requests with our own into a
* combined state
*/
static int qmi_wwan_manage_power(struct usbnet *dev, int on)
{
struct qmi_wwan_state *info = (void *)&dev->data;
int rv;
dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__,
atomic_read(&info->pmcount), on);
if ((on && atomic_add_return(1, &info->pmcount) == 1) ||
(!on && atomic_dec_and_test(&info->pmcount))) {
/* need autopm_get/put here to ensure the usbcore sees
* the new value
*/
rv = usb_autopm_get_interface(dev->intf);
dev->intf->needs_remote_wakeup = on;
if (!rv)
usb_autopm_put_interface(dev->intf);
}
return 0;
}
static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on)
{
struct usbnet *dev = usb_get_intfdata(intf);
/* can be called while disconnecting */
if (!dev)
return 0;
return qmi_wwan_manage_power(dev, on);
}
/* collect all three endpoints and register subdriver */
static int qmi_wwan_register_subdriver(struct usbnet *dev)
{
int rv;
struct usb_driver *subdriver = NULL;
struct qmi_wwan_state *info = (void *)&dev->data;
/* collect bulk endpoints */
rv = usbnet_get_endpoints(dev, info->data);
if (rv < 0)
goto err;
/* update status endpoint if separate control interface */
if (info->control != info->data)
dev->status = &info->control->cur_altsetting->endpoint[0];
/* require interrupt endpoint for subdriver */
if (!dev->status) {
rv = -EINVAL;
goto err;
}
/* for subdriver power management */
atomic_set(&info->pmcount, 0);
/* register subdriver */
subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc,
4096, &qmi_wwan_cdc_wdm_manage_power);
if (IS_ERR(subdriver)) {
dev_err(&info->control->dev, "subdriver registration failed\n");
rv = PTR_ERR(subdriver);
goto err;
}
/* prevent usbnet from using status endpoint */
dev->status = NULL;
/* save subdriver struct for suspend/resume wrappers */
info->subdriver = subdriver;
err:
return rv;
}
static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
{
int status = -1;
u8 *buf = intf->cur_altsetting->extra;
int len = intf->cur_altsetting->extralen;
struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
struct usb_cdc_union_desc *cdc_union;
struct usb_cdc_ether_desc *cdc_ether;
struct usb_driver *driver = driver_of(intf);
struct qmi_wwan_state *info = (void *)&dev->data;
struct usb_cdc_parsed_header hdr;
BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) <
sizeof(struct qmi_wwan_state)));
/* set up initial state */
info->control = intf;
info->data = intf;
/* and a number of CDC descriptors */
cdc_parse_cdc_header(&hdr, intf, buf, len);
cdc_union = hdr.usb_cdc_union_desc;
cdc_ether = hdr.usb_cdc_ether_desc;
/* Use separate control and data interfaces if we found a CDC Union */
if (cdc_union) {
info->data = usb_ifnum_to_if(dev->udev,
cdc_union->bSlaveInterface0);
if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 ||
!info->data) {
dev_err(&intf->dev,
"bogus CDC Union: master=%u, slave=%u\n",
cdc_union->bMasterInterface0,
cdc_union->bSlaveInterface0);
goto err;
}
}
/* errors aren't fatal - we can live with the dynamic address */
if (cdc_ether) {
dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize);
usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress);
}
/* claim data interface and set it up */
if (info->control != info->data) {
status = usb_driver_claim_interface(driver, info->data, dev);
if (status < 0)
goto err;
}
status = qmi_wwan_register_subdriver(dev);
if (status < 0 && info->control != info->data) {
usb_set_intfdata(info->data, NULL);
usb_driver_release_interface(driver, info->data);
}
/* Never use the same address on both ends of the link, even if the
* buggy firmware told us to. Or, if device is assigned the well-known
* buggy firmware MAC address, replace it with a random address,
*/
if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) ||
ether_addr_equal(dev->net->dev_addr, buggy_fw_addr))
eth_hw_addr_random(dev->net);
/* make MAC addr easily distinguishable from an IP header */
if (possibly_iphdr(dev->net->dev_addr)) {
dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */
dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */
}
dev->net->netdev_ops = &qmi_wwan_netdev_ops;
err:
return status;
}
static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct qmi_wwan_state *info = (void *)&dev->data;
struct usb_driver *driver = driver_of(intf);
struct usb_interface *other;
if (info->subdriver && info->subdriver->disconnect)
info->subdriver->disconnect(info->control);
/* allow user to unbind using either control or data */
if (intf == info->control)
other = info->data;
else
other = info->control;
/* only if not shared */
if (other && intf != other) {
usb_set_intfdata(other, NULL);
usb_driver_release_interface(driver, other);
}
info->subdriver = NULL;
info->data = NULL;
info->control = NULL;
}
/* suspend/resume wrappers calling both usbnet and the cdc-wdm
* subdriver if present.
*
* NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide
* wrappers for those without adding usbnet reset support first.
*/
static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct qmi_wwan_state *info = (void *)&dev->data;
int ret;
/* Both usbnet_suspend() and subdriver->suspend() MUST return 0
* in system sleep context, otherwise, the resume callback has
* to recover device from previous suspend failure.
*/
ret = usbnet_suspend(intf, message);
if (ret < 0)
goto err;
if (intf == info->control && info->subdriver &&
info->subdriver->suspend)
ret = info->subdriver->suspend(intf, message);
if (ret < 0)
usbnet_resume(intf);
err:
return ret;
}
static int qmi_wwan_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct qmi_wwan_state *info = (void *)&dev->data;
int ret = 0;
bool callsub = (intf == info->control && info->subdriver &&
info->subdriver->resume);
if (callsub)
ret = info->subdriver->resume(intf);
if (ret < 0)
goto err;
ret = usbnet_resume(intf);
if (ret < 0 && callsub)
info->subdriver->suspend(intf, PMSG_SUSPEND);
err:
return ret;
}
static const struct driver_info qmi_wwan_info = {
.description = "WWAN/QMI device",
.flags = FLAG_WWAN,
.bind = qmi_wwan_bind,
.unbind = qmi_wwan_unbind,
.manage_power = qmi_wwan_manage_power,
.rx_fixup = qmi_wwan_rx_fixup,
};
#define HUAWEI_VENDOR_ID 0x12D1
/* map QMI/wwan function by a fixed interface number */
#define QMI_FIXED_INTF(vend, prod, num) \
USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \
.driver_info = (unsigned long)&qmi_wwan_info
/* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */
#define QMI_GOBI1K_DEVICE(vend, prod) \
QMI_FIXED_INTF(vend, prod, 3)
/* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */
#define QMI_GOBI_DEVICE(vend, prod) \
QMI_FIXED_INTF(vend, prod, 0)
static const struct usb_device_id products[] = {
/* 1. CDC ECM like devices match on the control interface */
{ /* Huawei E392, E398 and possibly others sharing both device id and more... */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69),
.driver_info = (unsigned long)&qmi_wwan_info,
},
/* 2. Combined interface devices matching on class+protocol */
{ /* Huawei E367 and possibly others in "Windows mode" */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Huawei E392, E398 and possibly others in "Windows mode" */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Pantech UML290, P4200 and more */
USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Pantech UML290 - newer firmware */
USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Novatel USB551L and MC551 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Novatel E362 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Novatel Expedite E371 */
USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Dell Wireless 5800 (Novatel E362) */
USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Dell Wireless 5800 V2 (Novatel E362) */
USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* Dell Wireless 5804 (Novatel E371) */
USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* ADU960S */
USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a,
USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
{ /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
.driver_info = (unsigned long)&qmi_wwan_info,
},
/* 3. Combined interface devices matching on interface number */
{QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
{QMI_FIXED_INTF(0x05c6, 0x7000, 0)},
{QMI_FIXED_INTF(0x05c6, 0x7001, 1)},
{QMI_FIXED_INTF(0x05c6, 0x7002, 1)},
{QMI_FIXED_INTF(0x05c6, 0x7101, 1)},
{QMI_FIXED_INTF(0x05c6, 0x7101, 2)},
{QMI_FIXED_INTF(0x05c6, 0x7101, 3)},
{QMI_FIXED_INTF(0x05c6, 0x7102, 1)},
{QMI_FIXED_INTF(0x05c6, 0x7102, 2)},
{QMI_FIXED_INTF(0x05c6, 0x7102, 3)},
{QMI_FIXED_INTF(0x05c6, 0x8000, 7)},
{QMI_FIXED_INTF(0x05c6, 0x8001, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9000, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9003, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9005, 2)},
{QMI_FIXED_INTF(0x05c6, 0x900a, 4)},
{QMI_FIXED_INTF(0x05c6, 0x900b, 2)},
{QMI_FIXED_INTF(0x05c6, 0x900c, 4)},
{QMI_FIXED_INTF(0x05c6, 0x900c, 5)},
{QMI_FIXED_INTF(0x05c6, 0x900c, 6)},
{QMI_FIXED_INTF(0x05c6, 0x900d, 5)},
{QMI_FIXED_INTF(0x05c6, 0x900f, 3)},
{QMI_FIXED_INTF(0x05c6, 0x900f, 4)},
{QMI_FIXED_INTF(0x05c6, 0x900f, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9010, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9010, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9011, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9011, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9021, 1)},
{QMI_FIXED_INTF(0x05c6, 0x9022, 2)},
{QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */
{QMI_FIXED_INTF(0x05c6, 0x9026, 3)},
{QMI_FIXED_INTF(0x05c6, 0x902e, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9031, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9032, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9033, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9033, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9033, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9033, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9034, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9034, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9034, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9034, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9034, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9035, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9036, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9037, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9038, 4)},
{QMI_FIXED_INTF(0x05c6, 0x903b, 7)},
{QMI_FIXED_INTF(0x05c6, 0x903c, 6)},
{QMI_FIXED_INTF(0x05c6, 0x903d, 6)},
{QMI_FIXED_INTF(0x05c6, 0x903e, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9043, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9046, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9046, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9046, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9047, 2)},
{QMI_FIXED_INTF(0x05c6, 0x9047, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9047, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9048, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9048, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9048, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9048, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9048, 8)},
{QMI_FIXED_INTF(0x05c6, 0x904c, 5)},
{QMI_FIXED_INTF(0x05c6, 0x904c, 6)},
{QMI_FIXED_INTF(0x05c6, 0x904c, 7)},
{QMI_FIXED_INTF(0x05c6, 0x904c, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9050, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9052, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9053, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9053, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9054, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9054, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9055, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9055, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9055, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9055, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9055, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9056, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 2)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9062, 9)},
{QMI_FIXED_INTF(0x05c6, 0x9064, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9065, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9065, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9066, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9066, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9067, 1)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 2)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9068, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9069, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9069, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9069, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9069, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9070, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9070, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9075, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9076, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9076, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9076, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9076, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9076, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9077, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9077, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9077, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9077, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9078, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9079, 4)},
{QMI_FIXED_INTF(0x05c6, 0x9079, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9079, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9079, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9079, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9080, 5)},
{QMI_FIXED_INTF(0x05c6, 0x9080, 6)},
{QMI_FIXED_INTF(0x05c6, 0x9080, 7)},
{QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
{QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */
{QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */
{QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */
{QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */
{QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */
{QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */
{QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */
{QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */
{QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */
{QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */
{QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */
{QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */
{QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */
{QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */
{QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */
{QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */
{QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */
{QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */
{QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
{QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
{QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
{QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */
{QMI_FIXED_INTF(0x19d2, 0x0021, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0025, 1)},
{QMI_FIXED_INTF(0x19d2, 0x0031, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0042, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0049, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0052, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */
{QMI_FIXED_INTF(0x19d2, 0x0058, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */
{QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */
{QMI_FIXED_INTF(0x19d2, 0x0113, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0118, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0121, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0123, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0124, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0125, 6)},
{QMI_FIXED_INTF(0x19d2, 0x0126, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0130, 1)},
{QMI_FIXED_INTF(0x19d2, 0x0133, 3)},
{QMI_FIXED_INTF(0x19d2, 0x0141, 5)},
{QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */
{QMI_FIXED_INTF(0x19d2, 0x0158, 3)},
{QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */
{QMI_FIXED_INTF(0x19d2, 0x0168, 4)},
{QMI_FIXED_INTF(0x19d2, 0x0176, 3)},
{QMI_FIXED_INTF(0x19d2, 0x0178, 3)},
{QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */
{QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */
{QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
{QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */
{QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */
{QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */
{QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */
{QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */
{QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */
{QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */
{QMI_FIXED_INTF(0x19d2, 0x1012, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */
{QMI_FIXED_INTF(0x19d2, 0x1021, 2)},
{QMI_FIXED_INTF(0x19d2, 0x1245, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1247, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1252, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1254, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1255, 3)},
{QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
{QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */
{QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
{QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */
{QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
{QMI_FIXED_INTF(0x19d2, 0x1425, 2)},
{QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
{QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */
{QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */
{QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */
{QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */
{QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */
{QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */
{QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */
{QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */
{QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */
{QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */
{QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */
{QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */
{QMI_FIXED_INTF(0x1199, 0x9057, 8)},
{QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */
{QMI_FIXED_INTF(0x1199, 0x9070, 8)}, /* Sierra Wireless MC74xx/EM74xx */
{QMI_FIXED_INTF(0x1199, 0x9070, 10)}, /* Sierra Wireless MC74xx/EM74xx */
{QMI_FIXED_INTF(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx/EM74xx */
{QMI_FIXED_INTF(0x1199, 0x9071, 10)}, /* Sierra Wireless MC74xx/EM74xx */
{QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
{QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */
{QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
{QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */
{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
{QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */
{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */
{QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */
{QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */
{QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */
{QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */
{QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */
{QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */
{QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */
{QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */
{QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */
{QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
{QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
{QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
{QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
/* 5. Gobi 2000 and 3000 devices */
{QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
{QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
{QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
{QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
{QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
{QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
{QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
{QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
{QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
{QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
{QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
{QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */
{QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
{QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
{QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
{QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
{QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
{QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
{QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */
{QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
{QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
{QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
{QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */
{QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */
{ } /* END */
};
MODULE_DEVICE_TABLE(usb, products);
static bool quectel_ec20_detected(struct usb_interface *intf)
{
struct usb_device *dev = interface_to_usbdev(intf);
if (dev->actconfig &&
le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
dev->actconfig->desc.bNumInterfaces == 5)
return true;
return false;
}
static int qmi_wwan_probe(struct usb_interface *intf,
const struct usb_device_id *prod)
{
struct usb_device_id *id = (struct usb_device_id *)prod;
struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
/* Workaround to enable dynamic IDs. This disables usbnet
* blacklisting functionality. Which, if required, can be
* reimplemented here by using a magic "blacklist" value
* instead of 0 in the static device id table
*/
if (!id->driver_info) {
dev_dbg(&intf->dev, "setting defaults for dynamic device id\n");
id->driver_info = (unsigned long)&qmi_wwan_info;
}
/* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
return -ENODEV;
}
return usbnet_probe(intf, id);
}
static struct usb_driver qmi_wwan_driver = {
.name = "qmi_wwan",
.id_table = products,
.probe = qmi_wwan_probe,
.disconnect = usbnet_disconnect,
.suspend = qmi_wwan_suspend,
.resume = qmi_wwan_resume,
.reset_resume = qmi_wwan_resume,
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};
module_usb_driver(qmi_wwan_driver);
MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>");
MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver");
MODULE_LICENSE("GPL");
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