linux-kernel - Re: [PATCH] of/device: Don't register disabled devices

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Message-ID: <20110105233535.GB8846@yookeroo>
Date:	Thu, 6 Jan 2011 10:35:35 +1100
From:	David Gibson <david@...son.dropbear.id.au>
To:	"Blanchard, Hollis" <Hollis_Blanchard@...tor.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	devicetree-discuss@...ts.ozlabs.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, Scott Wood <scottwood@...escale.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"Saxena, Deepak" <deepak_saxena@...tor.com>
Subject: Re: [PATCH] of/device: Don't register disabled devices

On Wed, Jan 05, 2011 at 02:53:27PM -0800, Blanchard, Hollis wrote:
> On 01/03/2011 03:01 PM, Grant Likely wrote:
> > Device nodes with the property status="disabled" are not usable and so
> > don't register them when parsing the device tree for devices.
> >
> This is great and all, but a fair amount of driver code explicitly 
> searches the tree, rather than registering a probe function. That's why 
> our earlier patches in this area were more comprehensive.
> 
> What are your thoughts on handling those cases?

One by one.  Trying to handle the explicit searches automagically is
just asking for trouble.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson
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