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

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Date:	Mon, 10 Nov 2014 08:06:35 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	"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>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: [RFC] Add of_path property for all devices with a node

Adding Grant.

On Sun, Nov 9, 2014 at 11:17 PM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
> On Fri, 2014-11-07 at 17:35 +1100, Benjamin Herrenschmidt wrote:
>> On Fri, 2014-11-07 at 17:33 +1100, Benjamin Herrenschmidt wrote:
>>
>> > So I came up with this patch,
>>
>> And here is the actual patch, which might help :-) It's pretty trivial
>> and small...
>
> 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

> That means keeping the legacy "devspec" files in the few places where
> they exist, possibly behind a deprecated-default-y config option (though
> we might never be able to deprecate them...), but there aren't many.
>
> Any preference either way ?
>
> Cheers,
> Ben.
>
>
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