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

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Message-ID: <4EA4FF6B.2080906@ti.com>
Date:	Mon, 24 Oct 2011 11:32:19 +0530
From:	Rajendra Nayak <rnayak@...com>
To:	Shawn Guo <shawn.guo@...escale.com>
CC:	broonie@...nsource.wolfsonmicro.com, grant.likely@...retlab.ca,
	patches@...aro.org, tony@...mide.com,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, lrg@...com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/5] regulator: helper routine to extract regulator_init_data

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);
>>
>> so would this do a complete dt search for every regulator?
>
> Yes, with the first param being NULL, tthe entire device tree will be
> searched.
>
>> we would also need the driver names and dt names to match for this to
>> work, right?
>>
> Driver name does not matter.  The key for this search to work is having
> regulator's name (regulator_desc->name) match device tree node's name,
> case ignored.

Mark, whats your take on this? I am somehow not quite sure if we should
have this limitation put in to match DT node names with whats in the
driver structs (regulator_desc).

>
>> The approach otherwise looks fine to me and should work for both cases
>> of one device per regulator and one device for all regulators.
>>
>

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