linux-kernel - Re: [PATCH v6 0/6] Add ChromeOS Embedded Controller support

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Message-ID: <20130320011211.GA5905@zurbaran>
Date:	Wed, 20 Mar 2013 02:12:11 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Simon Glass <sjg@...omium.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Rob Landley <rob@...dley.net>,
	Felipe Balbi <balbi@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Luigi Semenzato <semenzato@...omium.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Che-Liang Chiou <clchiou@...omium.org>,
	Jonathan Kliegman <kliegs@...omium.org>,
	linux-input@...r.kernel.org, Sourav Poddar <sourav.poddar@...com>,
	devicetree-discuss@...ts.ozlabs.org,
	Alban Bedel <alban.bedel@...onic-design.de>,
	Roland Stigge <stigge@...com.de>,
	Vincent Palatin <vpalatin@...omium.org>,
	Javier Martinez Canillas <javier@...hile0.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-doc@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Tony Lindgren <tony@...mide.com>,
	Bill Pemberton <wfp5p@...ginia.edu>
Subject: Re: [PATCH v6 0/6] Add ChromeOS Embedded Controller support

On Wed, Mar 20, 2013 at 01:56:52AM +0100, Samuel Ortiz wrote:
> Hi Simon,
> 
> On Mon, Feb 25, 2013 at 02:08:35PM -0800, Simon Glass wrote:
> > The ChromeOS Embedded Controller (EC) is an Open Source EC implementation
> > used on ARM and Intel Chromebooks. Current implementations use a Cortex-M3
> > connected on a bus (such as I2C, SPI, LPC) to the AP. A separate interrupt
> > line is used to indicate when the EC needs service.
> All 6 patches applied to my mfd-next tree, thanks a lot.
Actually, this one fails to build when CONFIG_OF is not set:

drivers/mfd/cros_ec_i2c.c:130:2: error: implicit declaration of function
‘of_device_is_available’ [-Werror=implicit-function-declaration]

If the check in cros_ec_probe_i2c() is really needed then you'll need to inline
of_device_is_available() into a NOP in include/linux/of.h.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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