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. Regards, Michael -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html