linux-kernel - Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init

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Message-ID: <20111024092306.GC1755@S2100-06.ap.freescale.net>
Date:	Mon, 24 Oct 2011 17:23:06 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	Rajendra Nayak <rnayak@...com>
CC:	Grant Likely <grant.likely@...retlab.ca>, <patches@...aro.org>,
	<tony@...mide.com>, <devicetree-discuss@...ts.ozlabs.org>,
	<broonie@...nsource.wolfsonmicro.com>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <lrg@...com>
Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract
 regulator_init_data

On Mon, Oct 24, 2011 at 02:23:50PM +0530, Rajendra Nayak wrote:
> On Monday 24 October 2011 01:47 PM, Grant Likely wrote:
> >On Mon, Oct 24, 2011 at 11:32:19AM +0530, Rajendra Nayak wrote:
> >>On Friday 21 October 2011 05:28 PM, Shawn Guo wrote:
> >>>On Fri, Oct 21, 2011 at 02:11:55PM +0530, Rajendra Nayak wrote:
> >>>[...]
> >>>>>+       /* find device_node and attach it */
> >>>>>+       rdev->dev.of_node = of_find_node_by_name(NULL, regulator_desc->name);
> 
> Shawn/Mark,
> 
> How about the driver passing the of_node to be associated with the
> regulator, as part of regulator_desc, to the regulator core,
> instead of this complete DT search and the restriction of having
> to match DT node names with names in regulator_desc.
> 
If you agree that we should try to get DT core from creating
'struct dev' for each regulator, the of_node is not being attached
to any 'struct dev' in regulator driver either, so there is no
difference between finding the of_node in regulator driver and in
regulator core.

-- 
Regards,
Shawn

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