linux-kernel - RE: Tegra I2C driver compilation failure (was: RE: [PATCH] dt: add empty of_get

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Message-ID: <74CDBE0F657A3D45AFBB94109FB122FF04A06872DF@HQMAIL01.nvidia.com>
Date:	Tue, 9 Aug 2011 10:30:21 -0700
From:	Stephen Warren <swarren@...dia.com>
To:	Ben Dooks <ben-i2c@...ff.org>
CC:	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jean Delvare <khali@...ux-fr.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	Colin Cross <ccross@...roid.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	Axel Lin <axel.lin@...il.com>,
	Rob Herring <robherring2@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	"marc.zyngier@....com" <marc.zyngier@....com>
Subject: RE: Tegra I2C driver compilation failure (was: RE: [PATCH] dt: add
 empty of_get_property for non-dt)

Stephen Warren wrote at Tuesday, August 09, 2011 10:22 AM:
> Stephen Warren wrote at Monday, August 08, 2011 1:26 PM:
> > Rob Herring wrote at Sunday, August 07, 2011 8:38 AM:
> > > On 08/05/2011 05:50 PM, Stephen Warren wrote:
> > > > The patch adds empty function of_get_property for non-dt build, so that
> > > > drivers migrating to dt can save some '#ifdef CONFIG_OF'.
> > > >
> > > > This also fixes the current Tegra compile problem in linux-next.
> > >
> > > You could just use of_property_read_u32 in the driver. It already has
> > > empty version and will simplify the driver code some.
> >
> > Yes, that would also work.
> >
> > Grant, Ben, do you have a preference for which option to choose?
> 
> Well, all three possible fixes have been posted now:
> 
> Add ifdef to i2c driver:
> http://www.spinics.net/lists/linux-tegra/msg01720.html
> 
> Implement empty of_get_property:
> http://www.spinics.net/lists/linux-tegra/msg01881.html

Grant has merged this one into a devicetree branch. Thanks!

> Switch i2c driver to use of_property_read_u32:
> http://permalink.gmane.org/gmane.linux.ports.arm.kernel/127807
> 
> Ben, please could you please pick one of the changes and apply it, so
> that linux-next compiles for Tegra? Thanks!

-- 
nvpublic

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