linux-kernel - Re: [PATCH 3/6] mfd: add bcm59056 pmu driver

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Message-ID: <20140204165906.GC22609@sirena.org.uk>
Date:	Tue, 4 Feb 2014 16:59:06 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Matt Porter <mporter@...aro.org>
Cc:	Lee Jones <lee.jones@...aro.org>, Wolfram Sang <wsa@...-dreams.de>,
	Tim Kryger <tim.kryger@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Christian Daudt <bcm@...thebug.org>,
	Devicetree List <devicetree@...r.kernel.org>,
	Linux I2C List <linux-i2c@...r.kernel.org>,
	Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/6] mfd: add bcm59056 pmu driver

On Tue, Feb 04, 2014 at 09:31:19AM -0500, Matt Porter wrote:
> On Tue, Feb 04, 2014 at 01:29:51PM +0000, Lee Jones wrote:

> > > +static struct i2c_driver bcm59056_i2c_driver = {
> > > +	.driver = {
> > > +		   .name = "bcm59056",
> > > +		   .owner = THIS_MODULE,
> > > +		   .of_match_table = of_match_ptr(bcm59056_of_match),

> > No need to use of_match_ptr() here.

> Will remove.

What using of_match_ptr() should do is allow the compiler to figure out
that the table isn't used when DT is disabled and discard it without
ifdefs.  Not sure if that actually works yet but that's the idea.

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