Hi, > I'm sure this has been working in the past, but now I get -38 > (-ENOSYS) returned from my call to request_irq. I can't for > the life of me figure out why, although I've dug a bit and > found that this is being returned by the following lines in > kernel/irq/manage.c: > > 404: if (desc->chip == &no_irq_chip) > 405: return -ENOSYS; > > I think this is telling me that the kernel doesn't know how > to handle IRQs that my card signals, because the IRQ handling > hardware isn't supported. Am I wrong? Right. Basically this tells you that no interrupt controller in the system has specified that it will be sending IRQ num "X" to the CPU. What did you change since it was last known to be working? Thanks, Rajat -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
