linux-kernel - Re: [PATCH] gpio: Add generic driver for simple memory mapped controllers

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Message-ID: <20100826183850.GB24381@opensource.wolfsonmicro.com>
Date:	Thu, 26 Aug 2010 19:38:50 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Anton Vorontsov <cbouatmailru@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpio: Add generic driver for simple memory mapped
	controllers

On Wed, Aug 25, 2010 at 11:42:49PM +0400, Anton Vorontsov wrote:

> +	res_dat = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	if (!res_dat)
> +		return -EINVAL;

I'd suggest naming these resources rather than grabbing by number,
that'll make it easier to plumb the machine driver side in since you
don't have to remember which number corresponds to which function.
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