On Friday 09 November 2012 14:42:24 Markus Kolb wrote: > Hi, > > is it and how is it possible when using the acm_tty that > there is not sent any interrupt or control URB?
It is not possible. > My connected device has problems handling this stuff and > doesn't respond to the bulk URB which is timed somewhere > between. > > I've found e.g. > URB_NO_INTERRUPT and USBDEVFS_URB_NO_INTERRUPT in > http://code.metager.de/source/xref/linux/stable/drivers/usb/core/devio.c#1386 > but how do I set this? You don't. This is for usbfs. If your modem cannot handle status transfers it makes no sense to use cdc-acm. You better blacklist the device and use usb-serial. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
