[PATCH] ARM: at91: at91sam9x5: sets NPCS0 (PA14) back to GPIO

Boris BREZILLON boris.brezillon at free-electrons.com
Fri Jul 25 01:45:53 PDT 2014

On Fri, 25 Jul 2014 10:27:13 +0200
Jiří Prchal <jiri.prchal at aksignal.cz> 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

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