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Date: Thu, 03 Mar 2011 20:26:44 +0100
From: Roland Stigge <stigge@antcom.de>
Organization: ANTCOM IT Research & Development
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To: Grant Likely <grant.likely@secretlab.ca>
CC: linux-kernel@vger.kernel.org, info@pengutronix.de
Subject: Re: [PATCH] max730x: Added setup/teardown hooks
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On 03/03/2011 07:59 PM, Grant Likely wrote:
> On Fri, Feb 11, 2011 at 5:00 AM,  <stigge@antcom.de> wrote:
>> max730x: Added setup/teardown hooks
>>
>> This patch adds setup and teardown hooks for configuration of GPIO lines via
>> platform_data, similar to the pca953x driver.
> 
> Why?  What actions are these hooks going to perform?

In board configurations, ARM systems are set up with GPIO lines
configured as Input or Output etc. See also arch/arm/*/*. See usage of
pca953x - how it is already done there.

Thanks,

Roland