On Sat, Nov 12, 2016 at 8:13 AM, Greg <soapy-sm...@comcast.net> wrote:
> A general comment is that the Device Tree system is not robust!
> I gave up on modifying Device Trees a long time ago.  I'm using the
> "Universal IO" whenever possible:
>
> https://github.com/cdsteinkuehler/beaglebone-universal-io
>
> Avoid touching Device Tree files if you can!  AVOID
>
> I just set up the latest Debian IOT image, and Universal IO is already
> installed.
>
> Both images I tested this morning have unstable Device Trees.
> Here is the error from dmesg.  This happens after
>
> echo -4 > slots
>
> in the directory
>
> /sys/devices/platform/bone_capemgr

This has never worked  (even in 3.8.13) and will never work. ;)

Regards

-- 
Robert Nelson
https://rcn-ee.com/

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