On 01/09/16 14:52, Zubair Lutfullah Kakakhel wrote: > Hi, [...] >> But that still doesn't address the case I had in mind, which is when you >> have *two* AXI-intc, one cascaded into the other. Is that something that >> could be built? You should at least make sure that there is a big fat >> warning if you don't want to support that case, because that will be >> hell to debug. > > Oo. I didn't think of that one. tbh, I'm not sure if that is currently supported > because this driver came out of arch/microblaze. And it didn't have any code that > looked supportive of chained interrupt handling. > > 'Technically', it should be possible to synthesize two daisy chained axi interrupt > controllers on an FPGA. But I don't see it being supported before. > > A warning would be nice. Any suggestions on the most suitable way? Check if you've already allocated a xintc_irqc. If so, abort the probing early... Thanks, M. -- Jazz is not dead. It just smells funny...