4g /5g

hc

2024-08-13 755336cb89d9507a85518c0bbb55ed1db039c2fa

 kernel/drivers/usb/serial/option.c
..
..
@@ -248,18 +248,31 @@
248
248
 #define QUECTEL_VENDOR_ID			0x2c7c
249
249
 /* These Quectel products use Quectel's vendor ID */
250
250
 #define QUECTEL_PRODUCT_EC21			0x0121
251
+#define QUECTEL_PRODUCT_EM061K_LTA		0x0123
252
+#define QUECTEL_PRODUCT_EM061K_LMS		0x0124
251
253
 #define QUECTEL_PRODUCT_EC25			0x0125
254
+#define QUECTEL_PRODUCT_EM060K_128		0x0128
252
255
 #define QUECTEL_PRODUCT_EG91			0x0191
253
256
 #define QUECTEL_PRODUCT_EG95			0x0195
254
257
 #define QUECTEL_PRODUCT_BG96			0x0296
255
258
 #define QUECTEL_PRODUCT_EP06			0x0306
256
259
 #define QUECTEL_PRODUCT_EM05G			0x030a
257
260
 #define QUECTEL_PRODUCT_EM060K			0x030b
261
+#define QUECTEL_PRODUCT_EM05G_CS		0x030c
262
+#define QUECTEL_PRODUCT_EM05GV2			0x030e
263
+#define QUECTEL_PRODUCT_EM05CN_SG		0x0310
258
264
 #define QUECTEL_PRODUCT_EM05G_SG		0x0311
265
+#define QUECTEL_PRODUCT_EM05CN			0x0312
266
+#define QUECTEL_PRODUCT_EM05G_GR		0x0313
267
+#define QUECTEL_PRODUCT_EM05G_RS		0x0314
259
268
 #define QUECTEL_PRODUCT_EM12			0x0512
260
269
 #define QUECTEL_PRODUCT_RM500Q			0x0800
261
270
 #define QUECTEL_PRODUCT_RM520N			0x0801
271
+#define QUECTEL_PRODUCT_EC200U			0x0901
262
272
 #define QUECTEL_PRODUCT_EC200S_CN		0x6002
273
+#define QUECTEL_PRODUCT_EC200A			0x6005
274
+#define QUECTEL_PRODUCT_EM061K_LWW		0x6008
275
+#define QUECTEL_PRODUCT_EM061K_LCN		0x6009
263
276
 #define QUECTEL_PRODUCT_EC200T			0x6026
264
277
 #define QUECTEL_PRODUCT_RM500K			0x7001
265
278
 
..
..
@@ -396,6 +409,8 @@
396
409
 #define LONGCHEER_VENDOR_ID			0x1c9e
397
410
 
398
411
 /* 4G Systems products */
412
+/* This one was sold as the VW and Skoda "Carstick LTE" */
413
+#define FOUR_G_SYSTEMS_PRODUCT_CARSTICK_LTE	0x7605
399
414
 /* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
400
415
  * It seems to contain a Qualcomm QSC6240/6290 chipset            */
401
416
 #define FOUR_G_SYSTEMS_PRODUCT_W14		0x9603
..
..
@@ -586,6 +601,11 @@
586
601
 /* Sierra Wireless products */
587
602
 #define SIERRA_VENDOR_ID			0x1199
588
603
 #define SIERRA_PRODUCT_EM9191			0x90d3
604
+
605
+/* UNISOC (Spreadtrum) products */
606
+#define UNISOC_VENDOR_ID			0x1782
607
+/* TOZED LT70-C based on UNISOC SL8563 uses UNISOC's vendor ID */
608
+#define TOZED_PRODUCT_LT70C			0x4055
589
609
 
590
610
 /* Device flags */
591
611
 
..
..
@@ -1077,6 +1097,35 @@
1077
1097
 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1078
1098
 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1079
1099
 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1100
+
1101
+	#if 1 //Added by Quectel
1102
+	{ USB_DEVICE(0x05C6, 0x9090) }, /* Quectel UC15 */
1103
+	{ USB_DEVICE(0x05C6, 0x9003) }, /* Quectel UC20 */
1104
+	{ USB_DEVICE(0x05C6, 0x9215) }, /* Quectel EC20(MDM9215) */
1105
+	{ USB_DEVICE(0x2C7C, 0x0125) }, /* Quectel EC20(MDM9x07)/EC25/EG25 */
1106
+	{ USB_DEVICE(0x2C7C, 0x0121) }, /* Quectel EC21 */
1107
+	{ USB_DEVICE(0x2C7C, 0x0191) }, /* Quectel EG91 */
1108
+	{ USB_DEVICE(0x2C7C, 0x0195) }, /* Quectel EG95 */
1109
+	{ USB_DEVICE(0x2C7C, 0x0306) }, /* Quectel EG06/EP06/EM06 */
1110
+	{ USB_DEVICE(0x2C7C, 0x030B) }, /* Quectel EG065K/EG060K */
1111
+	{ USB_DEVICE(0x2C7C, 0x0514) }, /* Quectel BL EG060K RNDIS Only */
1112
+	{ USB_DEVICE(0x2C7C, 0x0512) }, /* Quectel EG12/EP12/EM12/EG16/EG18 */
1113
+	{ USB_DEVICE(0x2C7C, 0x0296) }, /* Quectel BG96 */
1114
+	{ USB_DEVICE(0x2C7C, 0x0700) }, /* Quectel BG95/BG77/BG600L-M3/BC69 */
1115
+	{ USB_DEVICE(0x2C7C, 0x0435) }, /* Quectel AG35 */
1116
+	{ USB_DEVICE(0x2C7C, 0x0415) }, /* Quectel AG15 */
1117
+	{ USB_DEVICE(0x2C7C, 0x0452) }, /* Quectel AG520 */
1118
+	{ USB_DEVICE(0x2C7C, 0x0455) }, /* Quectel AG550 */
1119
+	{ USB_DEVICE(0x2C7C, 0x0620) }, /* Quectel EG20 */
1120
+	{ USB_DEVICE(0x2C7C, 0x0800) }, /* Quectel RG500/RM500/RG510/RM510 */
1121
+	{ USB_DEVICE(0x2C7C, 0x0900) }, /* Quectel RG500/RM500/RG510/RM510 */
1122
+	{ USB_DEVICE(0x2C7C, 0x0801) }, /* Quectel RG520/RM520/SG520 */
1123
+	{ USB_DEVICE(0x2C7C, 0x6026) }, /* Quectel EC200 */
1124
+	{ USB_DEVICE(0x2C7C, 0x6120) }, /* Quectel UC200 */
1125
+	{ USB_DEVICE(0x2C7C, 0x6000) }, /* Quectel EC200/UC200 */
1126
+	{ .match_flags = USB_DEVICE_ID_MATCH_VENDOR, .idVendor = 0x2C7C }, /* Match All Quectel Modules */
1127
+	#endif
1128
+
1080
1129
 	{ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) },
1081
1130
 	{ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) },
1082
1131
 	{ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5804_MINICARD_ATT, 0xff, 0xff, 0xff) },
..
..
@@ -1134,6 +1183,10 @@
1134
1183
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x90fa),
1135
1184
 	  .driver_info = RSVD(3) },
1136
1185
 	/* u-blox products */
1186
+	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1311) },	/* u-blox LARA-R6 01B */
1187
+	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1312),		/* u-blox LARA-R6 01B (RMNET) */
1188
+	  .driver_info = RSVD(4) },
1189
+	{ USB_DEVICE_INTERFACE_CLASS(UBLOX_VENDOR_ID, 0x1313, 0xff) },	/* u-blox LARA-R6 01B (ECM) */
1137
1190
 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1341) },	/* u-blox LARA-L6 */
1138
1191
 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1342),		/* u-blox LARA-L6 (RMNET) */
1139
1192
 	  .driver_info = RSVD(4) },
..
..
@@ -1159,13 +1212,40 @@
1159
1212
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
1160
1213
 	  .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
1161
1214
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
1215
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05CN, 0xff),
1216
+	  .driver_info = RSVD(6) | ZLP },
1217
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05CN_SG, 0xff),
1218
+	  .driver_info = RSVD(6) | ZLP },
1162
1219
 	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G, 0xff),
1220
+	  .driver_info = RSVD(6) | ZLP },
1221
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_GR, 0xff),
1222
+	  .driver_info = RSVD(6) | ZLP },
1223
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05GV2, 0xff),
1224
+	  .driver_info = RSVD(4) | ZLP },
1225
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_CS, 0xff),
1226
+	  .driver_info = RSVD(6) | ZLP },
1227
+	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_RS, 0xff),
1163
1228
 	  .driver_info = RSVD(6) | ZLP },
1164
1229
 	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G_SG, 0xff),
1165
1230
 	  .driver_info = RSVD(6) | ZLP },
1166
1231
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0x00, 0x40) },
1167
1232
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0xff, 0x30) },
1168
1233
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K, 0xff, 0xff, 0x40) },
1234
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x30) },
1235
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0x00, 0x40) },
1236
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x40) },
1237
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x30) },
1238
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0x00, 0x40) },
1239
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x40) },
1240
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0xff, 0x30) },
1241
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0x00, 0x40) },
1242
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LMS, 0xff, 0xff, 0x40) },
1243
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0xff, 0x30) },
1244
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0x00, 0x40) },
1245
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LTA, 0xff, 0xff, 0x40) },
1246
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0xff, 0x30) },
1247
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0x00, 0x40) },
1248
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LWW, 0xff, 0xff, 0x40) },
1169
1249
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff),
1170
1250
 	  .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
1171
1251
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) },
..
..
@@ -1180,6 +1260,10 @@
1180
1260
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0xff, 0x30) },
1181
1261
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0, 0x40) },
1182
1262
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM520N, 0xff, 0, 0) },
1263
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0900, 0xff, 0, 0), /* RM500U-CN */
1264
+	  .driver_info = ZLP },
1265
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200A, 0xff, 0, 0) },
1266
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200U, 0xff, 0, 0) },
1183
1267
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) },
1184
1268
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) },
1185
1269
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) },
..
..
@@ -1281,6 +1365,14 @@
1281
1365
 	  .driver_info = NCTRL(0) | RSVD(1) },
1282
1366
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff),	/* Telit FN990 (PCIe) */
1283
1367
 	  .driver_info = RSVD(0) },
1368
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1080, 0xff),	/* Telit FE990 (rmnet) */
1369
+	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
1370
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1081, 0xff),	/* Telit FE990 (MBIM) */
1371
+	  .driver_info = NCTRL(0) | RSVD(1) },
1372
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1082, 0xff),	/* Telit FE990 (RNDIS) */
1373
+	  .driver_info = NCTRL(2) | RSVD(3) },
1374
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1083, 0xff),	/* Telit FE990 (ECM) */
1375
+	  .driver_info = NCTRL(0) | RSVD(1) },
1284
1376
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
1285
1377
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
1286
1378
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
..
..
@@ -1959,6 +2051,8 @@
1959
2051
 	  .driver_info = RSVD(2) },
1960
2052
 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
1961
2053
 	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
2054
+	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_CARSTICK_LTE),
2055
+	  .driver_info = RSVD(0) },
1962
2056
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
1963
2057
 	  .driver_info = NCTRL(0) | NCTRL(1) },
1964
2058
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100),
..
..
@@ -2170,6 +2264,10 @@
2170
2264
 	  .driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
2171
2265
 	{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff),			/* Foxconn T99W265 MBIM */
2172
2266
 	  .driver_info = RSVD(3) },
2267
+	{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0ee, 0xff),			/* Foxconn T99W368 MBIM */
2268
+	  .driver_info = RSVD(3) },
2269
+	{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0f0, 0xff),			/* Foxconn T99W373 MBIM */
2270
+	  .driver_info = RSVD(3) },
2173
2271
 	{ USB_DEVICE(0x1508, 0x1001),						/* Fibocom NL668 (IOT version) */
2174
2272
 	  .driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
2175
2273
 	{ USB_DEVICE(0x1782, 0x4d10) },						/* Fibocom L610 (AT mode) */
..
..
@@ -2194,6 +2292,7 @@
2194
2292
 	{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
2195
2293
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
2196
2294
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
2295
+	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
2197
2296
 	{ } /* Terminating entry */
2198
2297
 };
2199
2298
 MODULE_DEVICE_TABLE(usb, option_ids);
..
..
@@ -2202,7 +2301,28 @@
2202
2301
  * recognizes separately, thus num_port=1.
2203
2302
  */
2204
2303
 
2304
+
2305
+	
2306
+#if 1 //Added by Quectel
2307
+static void cfmakeraw(struct ktermios *t)
2308
+{
2309
+	t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
2310
+	t->c_oflag &= ~OPOST;
2311
+	t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
2312
+	t->c_cflag &= ~(CSIZE|PARENB);
2313
+	t->c_cflag |= CS8;
2314
+	t->c_cc[VMIN] = 1;
2315
+	t->c_cc[VTIME] = 0;
2316
+}
2317
+
2318
+static void option_init_termios(struct tty_struct *tty)
2319
+{
2320
+	cfmakeraw(&tty->termios);
2321
+}
2322
+#endif
2323
+
2205
2324
 static struct usb_serial_driver option_1port_device = {
2325
+	.init_termios  = option_init_termios,
2206
2326
 	.driver = {
2207
2327
 		.owner =	THIS_MODULE,
2208
2328
 		.name =		"option1",
..
..
@@ -2229,6 +2349,7 @@
2229
2349
 #ifdef CONFIG_PM
2230
2350
 	.suspend           = usb_wwan_suspend,
2231
2351
 	.resume            = usb_wwan_resume,
2352
+	.reset_resume = usb_wwan_resume,
2232
2353
 #endif
2233
2354
 };
2234
2355
 
..
..
@@ -2252,6 +2373,57 @@
2252
2373
 	struct usb_interface_descriptor *iface_desc =
2253
2374
 				&serial->interface->cur_altsetting->desc;
2254
2375
 	unsigned long device_flags = id->driver_info;
2376
+if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003)
2377
+	&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
2378
+	return -ENODEV;
2379
+	
2380
+//Quectel EC20(MDM9215)'s interface 4 can be used as USB Network device	
2381
+if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215)
2382
+	&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
2383
+	return -ENODEV;
2384
+
2385
+if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) {	
2386
+	__u16 idProduct = le16_to_cpu(serial->dev->descriptor.idProduct);
2387
+	struct usb_interface_descriptor *intf = &serial->interface->cur_altsetting->desc;
2388
+	if (intf->bInterfaceClass != 0xFF || intf->bInterfaceSubClass == 0x42) {
2389
+		//ECM, RNDIS, NCM, MBIM, ACM, UAC, ADB
2390
+		return -ENODEV;
2391
+	}
2392
+	
2393
+if ((idProduct&0xF000) == 0x0000) {	
2394
+		//MDM interface 4 is QMI	
2395
+		if (intf->bInterfaceNumber == 4 && intf->bNumEndpoints == 3
2396
+			&& intf->bInterfaceSubClass == 0xFF && intf->bInterfaceProtocol == 0xFF)
2397
+			return -ENODEV;
2398
+	}
2399
+}
2400
+#if 1 //Added by Quectel
2401
+		//Quectel UC20's interface 4 can be used as USB Network device	
2402
+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003)
2403
+			&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
2404
+			return -ENODEV;
2405
+			
2406
+		//Quectel EC20(MDM9215)'s interface 4 can be used as USB Network device	
2407
+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215)
2408
+			&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
2409
+			return -ENODEV;
2410
+		
2411
+		if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) {	
2412
+			__u16 idProduct = le16_to_cpu(serial->dev->descriptor.idProduct);
2413
+			struct usb_interface_descriptor *intf = &serial->interface->cur_altsetting->desc;
2414
+			if (intf->bInterfaceClass != 0xFF || intf->bInterfaceSubClass == 0x42) {
2415
+				//ECM, RNDIS, NCM, MBIM, ACM, UAC, ADB
2416
+				return -ENODEV;
2417
+			}
2418
+			
2419
+		if ((idProduct&0xF000) == 0x0000) {	
2420
+				//MDM interface 4 is QMI	
2421
+				if (intf->bInterfaceNumber == 4 && intf->bNumEndpoints == 3
2422
+					&& intf->bInterfaceSubClass == 0xFF && intf->bInterfaceProtocol == 0xFF)
2423
+					return -ENODEV;
2424
+			}
2425
+		}
2426
+	#endif
2255
2427
 
2256
2428
 	/* Never bind to the CD-Rom emulation interface	*/
2257
2429
 	if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE)