Hi Geert, On Fri, Mar 22, 2019, Geert Uytterhoeven wrote: > > Yeah, I've seen that code. Not fit for upstream ;-) > > The proper way is to use that standard heartbeat LED trigger > CONFIG_LEDS_TRIGGER_HEARTBEAT=y, configurable from > sysfs. > > For your sample DTS: you can even specify an LED trigger from DT, cfr. > Documentation/devicetree/bindings/leds/common.txt: > > linux,default-trigger = "heartbeat" Wow, I am such a hack when it comes to Linux! I'm going to add this to my TODO list along with your other suggestion of the irqchip driver for the interrupt pins. Thanks, Chris