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

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Message-ID: <20111024134930.GD26033@opensource.wolfsonmicro.com>
Date:	Mon, 24 Oct 2011 15:49:30 +0200
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Shawn Guo <shawn.guo@...escale.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Rajendra Nayak <rnayak@...com>, 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 Mon, Oct 24, 2011 at 09:40:26PM +0800, Shawn Guo wrote:

> +++ b/drivers/regulator/core.c
> @@ -2673,7 +2673,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
>         BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
> 
>         /* find device_node and attach it */
> -       rdev->dev.of_node = of_find_node_by_name(NULL, regulator_desc->name);
> +       rdev->dev.of_node = of_find_node_by_name(dev->parent->of_node,
> +                                                regulator_desc->name);
> 

Is that going to do the right thing if you've got a MFD which does
register each regulator as a separate device?  Might be best to just
search within dev and get drivers to pass the "real" device in when
registering the regulator rather than the virtual device.
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