From: "Robert P. J. Day" <rpjday-L09J2beyid0N/H6P543EQg@public.gmane.org>
To: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: is there any value in unreferenced <linux,phandle> assignments?
Date: Tue, 24 May 2016 07:08:23 -0400 (EDT) [thread overview]
Message-ID: <alpine.LFD.2.20.1605240707160.32028@localhost.localdomain> (raw)
In-Reply-To: <20160524105731.GA25374@leverpostej>
On Tue, 24 May 2016, Mark Rutland wrote:
> On Tue, May 24, 2016 at 06:49:40AM -0400, Robert P. J. Day wrote:
> >
> > apologies for what i'm sure is a trivial question, but is there
> > any point in a .dts file having "linux,phandle" assignments that
> > are unreferenced from anywhere in the final source file?
> >
> > i ask only because i've been handed a .dts file that admittedly
> > works just fine, but it contains a number of lines of the form:
> >
> > linux,phandle = <some-number>;
> >
> > where none of those numeric phandles are referenced from anywhere
> > else in the source file (even after processing any .dtsi files).
> >
> > one possibility is that those are leftovers before someone
> > started adding labels to nodes, and referring to them like that,
> > but in my case, the nodes defining those phandles don't even have
> > labels, so that seems fairly pointless.
> >
> > is there any other explanation for them? thanks.
>
> It sounds like the dts file has been decompiled from a DTB, ...
ah, suddenly it makes perfect sense, thanks.
rday
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2016-05-24 11:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 10:49 is there any value in unreferenced <linux,phandle> assignments? Robert P. J. Day
[not found] ` <alpine.LFD.2.20.1605240643210.31752-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2016-05-24 10:57 ` Mark Rutland
2016-05-24 11:08 ` Robert P. J. Day [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.LFD.2.20.1605240707160.32028@localhost.localdomain \
--to=rpjday-l09j2beyid0n/h6p543eqg@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=mark.rutland-5wv7dgnIgG8@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.