[alsa-devel] [PATCHv2 0/6] Motorola Droid 4 Audio Support

[Mark Brown]

On Thu, Jul 27, 2017 at 02:39:43AM -0700, Tony Lindgren wrote:
> * Takashi Iwai <tiwai at suse.de> [170718 02:38]:

> > The problem manifests itself as an unblanaced of node reference.
> > The node is released mistakenly at of_node_put() and this is caught as
> > sleep-in-atomic, fortunately.

> > So likely either something forgot to take the node ref or it hits the
> > unreference due to the missing object by the implicit probe disorder,
> > etc, I suppose.

> Yup you're right. This is what happens, will send a fix for it shortly.

There was also a separate thread where people were trying to fix this
having run into it elsewhere.  The of_graph APIs look pretty confusing
from a user point of view sadly :(
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