linux-kernel - Re: [PATCH] of: match the compatible in the order set by the dts file

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Message-ID: <20130709075124.GR516@pengutronix.de>
Date:	Tue, 9 Jul 2013 09:51:24 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Huang Shijie <b32955@...escale.com>
Cc:	grant.likely@...aro.org, devicetree-discuss@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org, rob.herring@...xeda.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] of: match the compatible in the order set by the dts file

On Tue, Jul 09, 2013 at 03:46:34PM +0800, Huang Shijie wrote:
> 于 2013年07月09日 15:05, Sascha Hauer 写道:
> >Why don't you set the matching order in the driver the way you want it
> >to be, i.e.:
> >
> >	{ .compatible = "fsl,imx6q-uart", ... },
> >	{ .compatible = "fsl,imx21-uart", ... },
> >	{ .compatible = "fsl,imx1-uart", ... },
> >
> yes. i can set it like this.
> 
> but this method looks like a ugly workaround.

If a driver has different ways of supporting a single device, then
putting the preferred or most feature rich on top doesn't look very ugly
to me.

Sascha

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