linux-kernel - Re: [PATCH v3 1/9] pinctrl: mvebu: pinctrl driver core

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Message-ID: <CACRpkdYVMTbfA++eqRrq6JM0phjN-X-f3N==oXbyVxCyYUVOOA@mail.gmail.com>
Date:	Wed, 12 Sep 2012 17:50:48 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Lior Amsalem <alior@...vell.com>,
	Russell King <linux@....linux.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Ben Dooks <ben.dooks@...ethink.co.uk>,
	Rob Landley <rob@...dley.net>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 1/9] pinctrl: mvebu: pinctrl driver core

On Wed, Sep 12, 2012 at 8:54 AM, Thomas Petazzoni
<thomas.petazzoni@...e-electrons.com> wrote:

> This data structure really reflects what the datasheet says. Typically,
> for SoCs where each pin is independently muxable (AT91, i.MX23/28,
> Marvell, and probably many more), the datasheet has a big array, with
> one line per pin, and then several columns which tell for a given pin,
> what is "function 0", "function 1", "function 2", "function 3", etc.

This is a valid reason to keep it as is in my book.
Readability along with a datasheet is important, most important
is that it has a good structure for those maintaining the driver.

Is this datasheet available so I can get the picture?

Yours,
Linus Walleij
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