On Wednesday, March 20, 2013 4:46 AM, Ian Abbott wrote: > On 2013-03-20 01:07, H Hartley Sweeten wrote: >> Each comedi_subdevice uses one of the minors allocated to the >> comedi subsystem. The devices used with this driver need a minimum >> of 2 and a maximum of 5 subdevices. >> >> Only allocate and initialize the number of subdevices actually needed >> by the device. > > This will break user-space code using one of these devices that assume > the previous subdevice numbers are still valid. Fair enough. I'll drop this piece. But, it seems like a waste to allocate the space for the unused subdevices and waste the minors. I'm not sure how much space each struct comedi_subevice takes but they probably add up. Regards, Hartley _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel