On Thursday 13 November 2014 11:52:48 Alexander Stein wrote: > On Thursday 13 November 2014 11:47:13, Arnd Bergmann wrote: > > Regarding your initial use case of testing interrupt polarity, would > > you have been able to do the same thing by looking at the interrupt > > count in /proc/interrupts? > > This is only possible if some driver actually requests this interrupt, no? Yes, I think that is correct, at least with sparseirq, which is now the default. For interrupts that are mapped by the irqchip, you can look up the number of spurious interrupts in /proc/irq/<nr>/spurious. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html