linux-kernel - Re: [PATCH] pinctrl: update GPIO range doc

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Message-Id: <1371446435.2776.122@driftwood>
Date:	Mon, 17 Jun 2013 00:20:35 -0500
From:	Rob Landley <rob@...dley.net>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Stephen Warren <swarren@...dia.com>,
	Anmar Oueja <anmar.oueja@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Christian Ruppert <christian.ruppert@...lis.com>
Subject: Re: [PATCH] pinctrl: update GPIO range doc

On 06/16/2013 05:18:29 AM, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij@...aro.org>
> 
> This updates the GPIO range documentation with the API changes
> for sparse/random/arbitrary pin-to-GPIO mappings.

Acked-by: Rob Landley <rob@...dley.net>

Why isn't this part of the pinctrl series you posted right afterwards?  
(It should go in through that maintainer...)

>  For all functionalities dealing with pin biasing, pin muxing etc,  
> the pin
> -controller subsystem will subtract the range's .base offset from the  
> passed
> -in gpio number, and add the ranges's .pin_base offset to retrive a  
> pin number.
> -After that, the subsystem passes it on to the pin control driver, so  
> the driver
> +controller subsystem will look up the corresponding pin number from  
> the passed
> +in gpio number, and use the ranges internals to retrive a pin  
> number. After

Range's perhaps?

Rob--
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