linux-kernel - Re: [PATCH 1/4 resend] [x86] Add generic GPIO support to x86

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Date:	Thu, 25 Oct 2007 14:30:02 +0200
From:	Florian Fainelli <florian.fainelli@...ecomint.eu>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andres Salomon <dilinger@...ued.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4 resend] [x86] Add generic GPIO support to x86

Hi,

Le jeudi 25 octobre 2007, Thomas Gleixner a écrit :
> It might be useful for everyone to check, whether the existing GPIO
> functionality can be extended, reworked to match the needs of Geode as
> well. Extending / reworking an existing interface is definitely
> better than adding a new incompatible one.

Of course. Just because Geode is the only x86 potential user of such an API 
does not mean it should impose its design. Remember that this patch is part 
of a serie to add support for the RDC R-321x SoC, which becomes another 
x86-family user.

Looking at what Geode can do, and what RDC can do, I guess there are only few 
functions that are generic, all the drain, multiplexing, direction things are 
only available on the Geode board.
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