Le Fri, 17 Jan 2014 16:54:07 +0100,
Michael Grzeschik <mgr@xxxxxxxxxxxxxx> a écrit :
> Hi Peter,
>
> we recently see a lot of warnings with the chipidea udc.
> The driver is running as g_ether gadget.
>
> cat drivers/usb/chipidea/udc.c
> ...
>
> if (i != 0) {
> dev_warn(ci->dev, "ctrl traffic at endpoint %d\n", i);
> continue;
> }
> ...
>
>
> Do you know if this condition is correct anyway? It checks
> for fifonumbers different to zero. As I know fifo zero is
> ep0out. The core has the ep0in fifo on position 8, that
> should also handle ctrl traffic IMHO.
>
How many fifo have your controller (hw_ep_max) ?
When you say fifo on position 8, you mean in software (in ci_hw_ep
array), but not in hardware (ENDPTCTRLx) ?
Matthieu
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