netdev - [PATCH 2/2] net: usb: qmi_wwan: add Lonsung U8300/U9300 product Update the net usb qmi_wwan driver to support Longsung U8300/U9300.

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Date: Tue,  2 Apr 2024 00:36:27 -0700
From: Coia Prant <coiaprant@...il.com>
To: netdev@...r.kernel.org
Cc: Coia Prant <coiaprant@...il.com>,
	stable@...r.kernel.org
Subject: [PATCH 2/2] net: usb: qmi_wwan: add Lonsung U8300/U9300 product Update the net usb qmi_wwan driver to support Longsung U8300/U9300.

Enabling DTR on this modem was necessary to ensure stable operation.

ID 1c9e:9b05 OMEGA TECHNOLOGY (U8300)
ID 1c9e:9b3c OMEGA TECHNOLOGY (U9300)

U8300
 /: Bus
    |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, Driver=option, 480M (Debug)
        ID 1c9e:9b05 OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 1, Class=Vendor Specific Class, Driver=option, 480M (Modem / AT)
        ID 1c9e:9b05 OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 2, Class=Vendor Specific Class, Driver=option, 480M (AT)
        ID 1c9e:9b05 OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 3, Class=Vendor Specific Class, Driver=option, 480M (AT / Pipe / PPP)
        ID 1c9e:9b05 OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 4, Class=Vendor Specific Class, Driver=qmi_wwan, 480M (NDIS / GobiNet / QMI WWAN)
        ID 1c9e:9b05 OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 5, Class=Vendor Specific Class, Driver=, 480M (ADB)
        ID 1c9e:9b05 OMEGA TECHNOLOGY

U9300
 /: Bus
    |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 480M (ADB)
        ID 1c9e:9b3c OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 1, Class=Vendor Specific Class, Driver=option, 480M (Modem / AT)
        ID 1c9e:9b3c OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 2, Class=Vendor Specific Class, Driver=option, 480M (AT)
        ID 1c9e:9b3c OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 3, Class=Vendor Specific Class, Driver=option, 480M (AT / Pipe / PPP)
        ID 1c9e:9b3c OMEGA TECHNOLOGY
    |__ Port 1: Dev 3, If 4, Class=Vendor Specific Class, Driver=qmi_wwan, 480M (NDIS / GobiNet / QMI WWAN)
        ID 1c9e:9b3c OMEGA TECHNOLOGY

Tested successfully using Modem Manager on U9300.
Tested successfully using qmicli on U9300.

Signed-off-by: Coia Prant <coiaprant@...il.com>
Cc: stable@...r.kernel.org
---
 drivers/net/usb/qmi_wwan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e2e181378f41..3dd8a2e24837 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1380,6 +1380,8 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x1c9e, 0x9801, 3)},	/* Telewell TW-3G HSPA+ */
 	{QMI_FIXED_INTF(0x1c9e, 0x9803, 4)},	/* Telewell TW-3G HSPA+ */
 	{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)},	/* XS Stick W100-2 from 4G Systems */
+	{QMI_QUIRK_SET_DTR(0x1c9e, 0x9b05, 4)},	/* Longsung U8300 */
+	{QMI_QUIRK_SET_DTR(0x1c9e, 0x9b3c, 4)},	/* Longsung U9300 */
 	{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 */
-- 
2.39.2