From: Matthias Klein <matthias.klein@linux.com>
To: Stephen Warren <swarren@wwwdotorg.org>,
linux-rpi-kernel@lists.infradead.org, linus.walleij@linaro.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] pinctrl: bcm2835: Start GPIO numeration at zero
Date: Tue, 28 Oct 2014 00:05:24 +0100 [thread overview]
Message-ID: <544ECFB4.7040704@linux.com> (raw)
In-Reply-To: <544ECAB2.3060706@wwwdotorg.org>
Am 27.10.2014 um 23:44 schrieb Stephen Warren:
> 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.
- To be in sync with the GPIO numbers in the datasheet / documentation
- For userland applications which rely on these GPIO numbers
next prev parent reply other threads:[~2014-10-27 23:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-27 22:09 [PATCH v2] pinctrl: bcm2835: Start GPIO numeration at zero Matthias Klein
2014-10-27 22:44 ` Stephen Warren
2014-10-27 23:05 ` Matthias Klein [this message]
2014-10-28 0:00 ` Stephen Warren
2014-10-28 7:10 ` Matthias Klein
[not found] ` <544F3FDA.60407@linux.com>
2014-10-29 1:15 ` Stephen Warren
2014-10-31 9:49 ` Linus Walleij
2014-11-01 6:13 ` Alexandre Courbot
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