linux-kernel - RE: [RFC PATCH v2 11/13] arm/tegra: Add device tree support to pinmux driver

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Date:	Tue, 23 Aug 2011 16:35:52 -0700
From:	Stephen Warren <swarren@...dia.com>
To:	Shawn Guo <shawn.guo@...escale.com>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	Colin Cross <ccross@...roid.com>,
	Erik Gilling <konkers@...roid.com>,
	Olof Johansson <olof@...om.net>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Belisko Marek <marek.belisko@...il.com>,
	Jamie Iles <jamie@...ieiles.com>,
	Sergei Shtylyov <sshtylyov@...sta.com>
Subject: RE: [RFC PATCH v2 11/13] arm/tegra: Add device tree support to
 pinmux driver

Shawn Guo wrote at Monday, August 15, 2011 9:45 PM:
> On Mon, Aug 15, 2011 at 02:28:18PM -0600, Stephen Warren wrote:
> > Signed-off-by: Stephen Warren <swarren@...dia.com>
> > ---
> >  arch/arm/mach-tegra/pinmux.c |  249 ++++++++++++++++++++++++++++++++++++++++++
> >  1 files changed, 249 insertions(+), 0 deletions(-)
> >
> Same question here, since we are moving over to device tree anyway,
> is it necessarily to keep these "#ifdef CONFIG_OF" all over the files?
> Can we manage to get rid of them, since we have a suite of empty OF API
> created for this?

Yes, the ifdefs can all be eliminated. I'll need to add a couple other
empty functions to <linux/of.h>. I also folded the foo_probe_dt()
functions into foo_probe(), since the need for the ifdefs is gone.

-- 
nvpublic

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