linux-kernel - Re: [RFC] Add of_path property for all devices with a node

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Message-ID: <1416363953.5704.19.camel@kernel.crashing.org>
Date:	Wed, 19 Nov 2014 13:25:53 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	Rob Herring <robherring2@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Subject: Re: [RFC] Add of_path property for all devices with a node

On Tue, 2014-11-18 at 15:18 +0000, Grant Likely wrote:
> >> So not much reactions here .. a bit more on IRC, where Olof
> suggested
> >> that rather than a file containing a path, we could use a symlink
> since
> >> the devtree is now in sysfs, so we can do relative links.
> >
> > +1 on this. That was part of the motivation to move DT into sysfs.
> >
> > Rob
> 
> I had a patch that did exactly that. I wonder what happened to it...
> 
> But regardless, as Frank said in his reply, this data is already in
> the uevent file for every device.

I sent a patch doing the symlink days ago.... I think it's still
valuable, the patch is triviall and the symlink is a lot easier to deal
with than parsing the uevent file.

Cheers,
Ben.


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