On 02/24/2016 04:37 PM, Sekhar Nori wrote: > I don't see the error interrupt count in /proc/interrupts go up although > the code is returning IRQ_NONE when this happens. I initially thought > that must be because of the interrupt being IRQF_SHARED. But getting rid > of IRQF_SHARED still does not lead to error count going up. I need to > spend some more time to see what is going on. that error counter goes up if the interrupt controller can not find an interrupt number. That means a HW interrupt was raised but after checking the interrupt source (by the GIC) there is none. In this case we have one: the UART. > Regards, > Sekhar Sebastian -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html