linux-kernel - Re: [PATCH] Input: twl6040-vibra: Update for device tree support

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Message-ID: <20120516193546.GA15920@core.coreip.homeip.net>
Date:	Wed, 16 May 2012 12:35:46 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, Benoit Cousson <b-cousson@...com>,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH] Input: twl6040-vibra: Update for device tree support

Hi Peter,

On Wed, May 16, 2012 at 02:19:46PM +0300, Peter Ujfalusi wrote:
> The twl6040 DT support implementation has been changed from the originally
> planned.
> None of the child devices going to have compatible_of property which means
> that the child devices of twl6040 will be created as traditional MFD devices.
> The mfd core driver will decide (based on the DT blob) to create a device
> for the twl6040-vibra or not. If the DT blob has 'vibra' section the device
> will be created without pdata.
> In this case the vibra driver will reach up to the parent node to get the
> needed properties.

So in this case why don't you have parent parse all DT data and
construct instance of pdata for vibra driver to consume?

Thanks.

-- 
Dmitry
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