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Date:	Mon, 27 Oct 2014 16:44:02 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Matthias Klein <matthias.klein@...ux.com>,
	linux-rpi-kernel@...ts.infradead.org, linus.walleij@...aro.org
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] pinctrl: bcm2835: Start GPIO numeration at zero

On 10/27/2014 04:09 PM, Matthias Klein wrote:
> Numerate the GPIOs from 0..53 instead of 202..255.

What's the motivation for this? The GPIO IDs should all come from DT, 
which encodes everything as an ID relative to a particular controllers, 
and hence the actual value of the base address should be irrelevant.

> diff --git a/drivers/pinctrl/pinctrl-bcm2835.c b/drivers/pinctrl/pinctrl-bcm2835.c

> @@ -382,7 +382,7 @@ static struct gpio_chip bcm2835_gpio_chip = {

> -	.base = -1,
> +	.base = 0,

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