at91 usbserial issue

Grégory Hermant gregory.hermant at calao-systems.com
Tue Oct 7 05:03:18 PDT 2014


Hi Sacha,
Thanks for your feedback.
Greg

On 06/10/2014 07:52, Sascha Hauer wrote:
> Hi Greg,
> 
> On Fri, Oct 03, 2014 at 09:05:17AM +0200, Grégory Hermant wrote:
>> Hi all,
>> The usbserial seems to be broken for board equipped with an Atmel sam9260/9g20 Soc.
>> I ran the lastest version of barebox (v2014.10.0) on a USB_A9G20_LPW.
>> Below the trace
>> udc0: registering UDC driver [g_serial]
>> g_serial usbgadget: acm/23ba9538: can't bind, err -19
>> g_serial udc0: failed to start g_serial: -19
>> usbserial: No such device
>> I didn't yet investigate this issue but i was wondering if someone noticed the problem.
> 
> There have been quite some changes in the USB gadget stuff. I know
> USB serial currently works with i.MX and MUSB. Does v2014.08.0 still
> work? That was before the changes. If yes, I think bisecting it is
> the fastest way to find the culprit.
> 
> Sascha
> 



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