netdev - [PATCH] qmi_wwan: Added support for Telit LN940 series

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Message-ID: <20181213170035.000070c1@gmail.com>
Date:   Thu, 13 Dec 2018 17:00:35 +0100
From:   Jörgen Storvist <jorgen.storvist@...il.com>
To:     netdev@...r.kernel.org, bjorn@...k.no
Subject: [PATCH] qmi_wwan: Added support for Telit LN940 series

Added support for the Telit LN940 series cellular modules QMI interface.
QMI_QUIRK_SET_DTR quirk requied for Qualcomm MDM9x40 chipset.

Signed-off-by: Jörgen Storvist <jorgen.storvist@...il.com>
---

usb-devices output
T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 21 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1bc7 ProdID=1900 Rev=03.10
S:  Manufacturer=Telit
S:  Product=Telit LN940 Mobile Broadband
S:  SerialNumber=0123456789ABCDEF
C:  #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I:  If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:  If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option

qmicli -d /dev/cdc-wdm0 -p --dms-get-manufacturer 
[/dev/cdc-wdm0] Device manufacturer retrieved:
	Manufacturer: 'Telit'
qmicli -d /dev/cdc-wdm0 -p --dms-get-model 
[/dev/cdc-wdm0] Device model retrieved:
	Model: 'Telit LN940 Mobile Broadband'

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index dada68f..c8872dd 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1230,6 +1230,7 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)},	/* Telit ME910 dual modem */
 	{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},	/* Telit LE920 */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)},	/* Telit LE920, LE920A4 */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)},	/* Telit LN940 series */
 	{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 */