linux-kernel - Re: [PATCH] of/pdt: allow DT device matching by fixing 'name' brokenness (v3)

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Message-ID: <20110223185152.7e3c29a9@queued.net>
Date:	Wed, 23 Feb 2011 18:51:52 -0800
From:	Andres Salomon <dilinger@...ued.net>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Daniel Drake <dsd@...top.org>, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	"David S. Miller" <davem@...emloft.net>, sparclinux@...r.kernel.org
Subject: Re: [PATCH] of/pdt: allow DT device matching by fixing 'name'
 brokenness (v3)

On Wed, 23 Feb 2011 19:47:08 -0700
Grant Likely <grant.likely@...retlab.ca> wrote:

> On Wed, Feb 23, 2011 at 04:34:42PM -0800, Andres Salomon wrote:
> > 
> > Commit e2f2a93b changed dp->name from using the 'name' property to
> > using package-to-path.  This fixed /proc/device-tree creation by
> > eliminating conflicts between names (the 'name' property provides
> > names like 'battery', whereas package-to-path provides names like
> > '/foo/bar/battery@0', which we stripped to 'battery@0').  However,
> > it also breaks of_device_id table matching.
> > 
> > The fix that we _really_ wanted was to keep dp->name based upon
> > the name property ('battery'), but based dp->full_name upon
> > package-to-path ('battery@0').  This patch does just that.
> > 
> > This also changes OLPC behavior to use the full result from
> > package-to-path for full_name, rather than stripping the directory
> > out.  In practice, the strings end up being exactly the same; this
> > change saves time, code, and memory.
> > 
> > v2: combine two patches and revert of_pdt_node_name to original
> > version v3: use dp->phandle instead of passing around node
> > 
> > Signed-off-by: Andres Salomon <dilinger@...ued.net>
> 
> This addresses one of my comments on v2; but it doesn't address the
> comment that the broken implementation of of_pdt_node_name for
> non-sparc still remains, or am I missing something?
> 
> g.
> 


I responded to that -
http://www.spinics.net/lists/sparclinux/msg08058.html
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