Hi Manu, Manu Abraham wrote: > * register independant virtual buses for each device, on device > access, the relevant control word is appended to the BIU device > register. this solution is easy to implement and does not require the frontend driver to know about its underlying bus. Just protect your master_xfer function with a mutex, grab it, configure the bus control unit, transfer the message and release the mutex before returning. Regards, Andreas _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb