linux-kernel - Re: [PATCH] mfd: palmas: initialise client->of

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Message-ID: <51489C0A.309@wwwdotorg.org>
Date:	Tue, 19 Mar 2013 11:10:34 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Laxman Dewangan <ldewangan@...dia.com>, sameo@...ux.intel.com,
	swarren@...dia.com, gg@...mlogic.co.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: palmas: initialise client->of_node for dummy created
 client

On 03/19/2013 10:52 AM, Mark Brown wrote:
> On Tue, Mar 19, 2013 at 09:44:24AM -0600, Stephen Warren wrote:
> 
>> It seems like part of the solution here is to modify the
>> i2c_client object itself so that it can directly support devices
>> that have multiple I2C addresses; instead of 1 i2c_client
>> representing 1 address, 1 i2c_client could represent a list of
>> addresses, that list being populated directly from the list
>> contained in the top-level node's reg property. That way, you
>> wouldn't need any dummy i2c_clients, which would avoid this
>> issue.
> 
> This does then make it more complicated for all users of I2C as
> they need to become aware of such devices.  Not sure that's a
> win...

Presumably the existing APIs would work identically, and additional
APIs would be added for the complex case?
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