Re: [CDC-ACM] Linux USB "Reduced" CDC-ACM driver

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2009/4/27 Oliver Neukum <oliver@xxxxxxxxxx>:
> Am Montag 27 April 2009 09:08:28 schrieb Vincent Del Medico:
>> 2009/4/26 Oliver Neukum <oliver@xxxxxxxxxx>
>
>> > This patch should make Linux support such devices without the
>> > need for quirks. Please test.
>> >
>> >        Regards
>> >                Oliver
>>
>> Thanks Oliver, but unfortunately this doesn't work.
>>
>> usb 1-1.3.2: new full speed USB device using musb_hdrc and address 5
>> usb 1-1.3.2: configuration #1 chosen from 1 choice
>> cdc_acm 1-1.3.2:1.0: This device cannot do calls on its own. It is no modem.
>> cdc_acm 1-1.3.2:1.0: No union descriptor, giving up
>
> Please try the attached additional patch.
>
>        Regards
>                Oliver
>

This creates the /dev/ttyACM0 interface but I get errors when using
any application. See below

usb 1-1.3.2: new full speed USB device using musb_hdrc and address 4
usb 1-1.3.2: configuration #1 chosen from 1 choice
cdc_acm 1-1.3.2:1.0: This device cannot do calls on its own. It is no modem.
cdc_acm 1-1.3.2:1.0: No union descriptor, testing for castrated device
drivers/usb/class/cdc-acm.c: interfaces are valid
cdc_acm 1-1.3.2:1.0: ttyACM0: USB ACM device
drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result:
 0
drivers/usb/class/cdc-acm.c: acm_control_msg: rq: 0x20 val: 0x0 len: 0x7 result:
 7
drivers/hid/usbhid/hid-core.c: usb_submit_urb(ctrl) failed
generic-usb 0003:0451:F432.0001: timeout initializing reports
generic-usb 0003:0451:F432.0001: claimed by neither input, hiddev nor hidraw
usb 1-1.3.2: New USB device found, idVendor=0451, idProduct=f432
usb 1-1.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1.3.2: Product: Texas Instruments MSP-FET430UIF
usb 1-1.3.2: Manufacturer: Texas Instruments
usb 1-1.3.2: SerialNumber: 83FF598CDEC5112C
root@arago:/#
root@arago:/# ./TI-RF2500-Demo
/dev/ttyACM0: Input/output error
root@arago:/# minicom
minicom: cannot open /dev/ttyACM0: Input/output error
root@arago:/#

Regards
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