u mean u can't know ur interrupt handler run? your driver register_irq right? request_irq success? if u can't control the custom 's driver ,how do u debug? OR u may be debug in kernel IRQ routine do_IRQ function, find the device irq number and debug if receive this interrupt. 2008/12/15 Greg KH <greg@xxxxxxxxx>: > On Sun, Dec 14, 2008 at 06:58:49PM -0600, Asim wrote: >> Thanks Greg for your reply. >> >> I just want to know if the ISR lowered the interrupt atleast once >> after entering the ISR. I want to find this out without reading the >> device's register. I realize the problem that there still may be a >> pending interrupt when I do this check which can cause some problems. >> >> I have a custom device which does not respond properly, if there is an >> interface for this it would help me grately since I have no control to >> change the device. > > Sounds like a very broken device, if you can't read form the device, how > are you supposed to know? > > I really don't know how to do this, sorry, good luck. > > 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 > > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
