On Fri, Jul 20, 2007 at 02:07:31PM +0530, b.vigneshkumar wrote: > > > Rajendra Stalekar wrote: > > > > Hi, > > > > 1. When we probe a device, how does it find out that the device actually > > exists and is functional? > > > from the /proc interface What /proc interface? Since when does /proc show stuff for all devices in the system? > > 2. Do we probe for interrupts to check which interrupt line(s) can be > > assigned to the device in question? > > > We probe to check which irq number are free. A driver should never do this for devices that have been made in the past 10 years or so. thanks, greg k-h -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ