linux-kernel - Re: [PATCH 15/15] OF: remove #ifdef from linux/of

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Date:	Sat, 01 Jun 2013 15:30:08 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	patches@...ts.linaro.org, Rob Herring <rob.herring@...xeda.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH 15/15] OF: remove #ifdef from linux/of_platform.h

On 06/01/2013 03:03 PM, Arnd Bergmann wrote:
> On Saturday 01 June 2013, Rob Herring wrote:
>> On Fri, May 31, 2013 at 5:22 PM, Arnd Bergmann <arnd@...db.de> wrote:
>>> A lot of code uses the functions from of_platform.h when built for
>>> devicetree-enabled platforms but can also be built without them.
>>> In order to avoid using #ifdef everywhere in drivers, this
>>> makes all the function declarations visible, which means we
>>> can use "if (IS_ENABLED(CONFIG_OF))" in driver code and get build
>>> coverage over the code but let the compiler drop the reference
>>> in the object code.
>>>
>>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
>>> Cc: Grant Likely <grant.likely@...aro.org>
>>> Cc: Rob Herring <rob.herring@...xeda.com>
>>
>> I've got a more complete series for 3.11 that removes OF_DEVICE and
>> of_platform_driver completely. I'm waiting on ack from Ben H.
> 
> Ok. Does your series also remove the #ifdef CONFIG_OF part from this
> header?

No, we still need empty functions. Here is what of_device.h looks like:

http://tinyurl.com/l2azz5m

BTW, it has your ack.

Rob
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