Am Mittwoch, den 08.03.2017, 17:30 -0500 schrieb Balazs Harmath:
> Hi guys,
>
> I’w working with a Quectel EC21 modem and i ran into an issue that
> the qcserial driver is not getting installed for it.
> Previously i was working with the Quectel EC20 which was working
> properly but the cell carrier requested LTE Cat 1 modem so that’s why
> the switch to EC21.
>
> Can you add the product ID for the Quectel EC21 in the qcserial.c ?
>
> Thanks,
> Bali
>
> Below info for Quectel EC21
>
> root@raspberrypi:~# uname -a
> Linux raspberrypi 4.9.13-v7+ #974 SMP Wed Mar 1 20:09:48 GMT 2017
> armv7l GNU/Linux
>
>
> output for dmesg:
>
> [ 7.575835] usb 1-1.4: new high-speed USB device number 7 using
> dwc_otg
> [ 7.715808] usb 1-1.4: New USB device found, idVendor=2c7c,
> idProduct=0121
> [ 7.715819] usb 1-1.4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 7.715824] usb 1-1.4: Product: Android
> [ 7.715827] usb 1-1.4: Manufacturer: Android
> [ 7.728580] usbcore: registered new interface driver cdc_wdm
> [ 7.735897] qmi_wwan 1-1.4:1.4: cdc-wdm0: USB WDM device
> [ 7.737829] qmi_wwan 1-1.4:1.4 wwan0: register 'qmi_wwan' at usb-
> 3f980000.usb-1.4, WWAN/QMI device, ce:db:66:0e:df:26
>
> output for lsusb -t:
>
> root@raspberrypi:~# lsusb -t
> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
> |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
> |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/3p, 480M
> |__ Port 1: Dev 5, If 0, Class=Vendor Specific Class,
> Driver=smsc95xx, 480M
> |__ Port 2: Dev 4, If 0, Class=Vendor Specific Class,
> Driver=ftdi_sio, 12M
> |__ Port 3: Dev 6, If 0, Class=Mass Storage, Driver=usb-
> storage, 480M
> |__ Port 4: Dev 7, If 1, Class=Vendor Specific Class,
> Driver=, 480M
> |__ Port 4: Dev 7, If 4, Class=Vendor Specific Class,
> Driver=qmi_wwan, 480M
qmi_wwan is binding to this interface.
> |__ Port 4: Dev 7, If 2, Class=Vendor Specific Class,
> Driver=, 480M
> |__ Port 4: Dev 7, If 0, Class=Vendor Specific Class,
> Driver=, 480M
> |__ Port 4: Dev 7, If 3, Class=Vendor Specific Class,
> Driver=, 480M
Do you need qcserial for these interfaces?
Regards
Oliver
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