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

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Message-ID: <CAPnjgZ1=w5GyfGrSFG63SFTErTQQUQQiBmgC8BVMzy4kLVkPDg@mail.gmail.com>
Date:	Tue, 19 Mar 2013 19:01:42 -0700
From:	Simon Glass <sjg@...omium.org>
To:	Samuel Ortiz <sameo@...ux.intel.com>
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" <linux-input@...r.kernel.org>,
	Sourav Poddar <sourav.poddar@...com>,
	Devicetree Discuss <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" <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

Hi Samuel,

On Tue, Mar 19, 2013 at 6:12 PM, Samuel Ortiz <sameo@...ux.intel.com> wrote:
> 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.

Actually I suppose that call is not really needed. Would you like to
remove it, or shall I send a new patch?

Regards,
Simon

>
> Cheers,
> Samuel.
>
> --
> Intel Open Source Technology Centre
> http://oss.intel.com/
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