linux-kernel - Re: [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c

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Message-ID: <20110907190752.GB24703@sirena.org.uk>
Date:	Wed, 7 Sep 2011 20:07:52 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Stephen Warren <swarren@...dia.com>,
	Jonathan Cameron <jic23@....ac.uk>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jean Delvare <khali@...ux-fr.org>,
	Ben Dooks <ben-linux@...ff.org>,
	Russell King <linux@....linux.org.uk>,
	Andrew Chew <AChew@...dia.com>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client.

On Fri, Sep 02, 2011 at 06:05:27PM +0200, Arnd Bergmann wrote:

> It would not fit well if we expect gpio numbers to be local to
> a gpio controller, with no unique global identifier for them, similar
> to how dma channels in the dma-engine subsystem are handled.

Or perhaps moving to a clk API style lookup?
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