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

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Message-ID: <CACxGe6vg8SxwCHZ8HxzLzimQOAf8Q81wd5eO=x2LavD4dv81Rw@mail.gmail.com>
Date:	Tue, 18 Nov 2014 15:18:29 +0000
From:	Grant Likely <grant.likely@...aro.org>
To:	Rob Herring <robherring2@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"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 Mon, Nov 10, 2014 at 2:06 PM, Rob Herring <robherring2@...il.com> wrote:
> 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

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.

g.
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