On Fri, 25 Jul 2014 10:27:13 +0200 Jiří Prchal <jiri.prchal@xxxxxxxxxxx> wrote: [...] > > > > Could you also paste the content of /sys/kernel/debug/gpio ? > The /sys/kernel/debug/ is empty. You have to enable CONFIG_DEBUG_FS in your config and then mount the debug file system: #mount -t debugfs dbg /sys/kernel/debug -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- 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