+From f81700b6bb2eda3756247bce472d8eaf6f466f61 Mon Sep 17 00:00:00 2001
+From: OpenWrt community <openwrt-devel@lists.openwrt.org>
+Date: Wed, 13 Jul 2022 13:49:26 +0200
+Subject: [PATCH] net/usb/qmi_wwan: add MeigLink modem support
+
+---
+ drivers/net/usb/qmi_wwan.c | 1 +
+ drivers/usb/serial/option.c | 7 +++++++
+ 2 files changed, 8 insertions(+)
+
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
-@@ -1085,6 +1085,7 @@ static const struct usb_device_id produc
+@@ -1080,12 +1080,18 @@ static const struct usb_device_id produc
+ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
+ .driver_info = (unsigned long)&qmi_wwan_info,
+ },
++ { /* Meiglink SGM828 */
++ USB_DEVICE_AND_INTERFACE_INFO(0x2dee, 0x4d49, USB_CLASS_VENDOR_SPEC, 0x10, 0x05),
++ .driver_info = (unsigned long)&qmi_wwan_info,
++ },
++
+ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
+ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */
{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */
-+ {QMI_MATCH_FF_FF_FF(0x05c6, 0xf601)}, /* MeigLink SLM750 */
+ {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0801)}, /* Quectel RM520N */
++ {QMI_MATCH_FF_FF_FF(0x05c6, 0xf601)}, /* MeigLink SLM750 */
/* 3. Combined interface devices matching on interface number */
{QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
-@@ -243,6 +243,8 @@ static void option_instat_callback(struc
- #define UBLOX_PRODUCT_R6XX 0x90fa
+@@ -247,6 +247,11 @@ static void option_instat_callback(struc
+ #define UBLOX_PRODUCT_R410M 0x90b2
/* These Yuga products use Qualcomm's vendor ID */
#define YUGA_PRODUCT_CLM920_NC5 0x9625
+/* These MeigLink products use Qualcomm's vendor ID */
+#define MEIGLINK_PRODUCT_SLM750 0xf601
++
++#define MEIGLINK_VENDOR_ID 0x2dee
++#define MEIGLINK_PRODUCT_SLM828 0x4d49
#define QUECTEL_VENDOR_ID 0x2c7c
/* These Quectel products use Quectel's vendor ID */
-@@ -1129,6 +1131,11 @@ static const struct usb_device_id option
- { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95, 0xff, 0, 0) },
+@@ -1146,6 +1151,11 @@ static const struct usb_device_id option
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */
+ .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) },
++ /* MeiG */
++ { USB_DEVICE_AND_INTERFACE_INFO(MEIGLINK_VENDOR_ID, MEIGLINK_PRODUCT_SLM828, USB_CLASS_VENDOR_SPEC, 0x10, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEIGLINK_VENDOR_ID, MEIGLINK_PRODUCT_SLM828, USB_CLASS_VENDOR_SPEC, 0x10, 0x02) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEIGLINK_VENDOR_ID, MEIGLINK_PRODUCT_SLM828, USB_CLASS_VENDOR_SPEC, 0x10, 0x03) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEIGLINK_VENDOR_ID, MEIGLINK_PRODUCT_SLM828, USB_CLASS_VENDOR_SPEC, 0x10, 0x04) },
+ /* Quectel products using Qualcomm vendor ID */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)},
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20),
+@@ -1187,6 +1197,11 @@ static const struct usb_device_id option
+ .driver_info = ZLP },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
.driver_info = RSVD(4) },
+ /* Meiglink products using Qualcomm vendor ID */