linux-kernel - Re: [PATCH] <linux/of_platform.h>: fix compilation warnings with DT disabled

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Message-ID: <5195486F.1040603@cogentembedded.com>
Date:	Fri, 17 May 2013 00:58:23 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Rob Herring <robherring2@...il.com>
CC:	Simon Horman <horms@...ge.net.au>, linux-sh@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	rob.herring@...xeda.com, vladimir.barinov@...entembedded.com
Subject: Re: [PATCH] <linux/of_platform.h>: fix compilation warnings with
 DT disabled

Hello.

On 03/01/2013 05:02 PM, Rob Herring wrote:

>>>>>> Fix the following compilation warnings (in Simon Horman's
>>>>>> renesas.git repo):
>>>>>> In file included from arch/arm/mach-shmobile/setup-r8a7779.c:24:0:
>>>>>> include/linux/of_platform.h:107:13: warning: ‘struct of_device_id’
>>>>>> declared
>>>>>> inside parameter list [enabled by default]
>>>>>> include/linux/of_platform.h:107:13: warning: its scope is only this
>>>>>> definition
>>>>>> or declaration, which is probably not what you want [enabled by
>>>>>> default]
>>>>>> include/linux/of_platform.h:107:13: warning: ‘struct device_node’
>>>>>> declared
>>>>>> inside parameter list [enabled by default]
>>>>>> <linux/of_platform.h> only #include's headers with definitions of
>>>>>> the above
>>>>>> mentioned structures if CONFIG_OF_DEVICE=y but uses them even if
>>>>>> not. One
>>>>>> solution is to move some #include's out of #ifdef CONFIG_OF_DEVICE
>>>>>> and use
>>>>>> incomplete declarations for the rest of the structures where the
>>>>>> #ifdef move
>>>>>> doesn't help...
>>>>>> Reported-by: Vladimir Barinov <vladimir.barinov@...entembedded.com>
>>>>>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
>>>>> Reviewed-by: Simon Horman <horms+renesas@...ge.net.au>
>>>>> Grant, could you consider taking this patch?
>>>> Yes, I can, but I don't seem to have the original patch. Can you send it
>>>> again.
>>> Nevermind. Found it. I'll apply it.
>>     Will you drop 'struct device_node' declaration then or should I
>> resend? In fact, I think I should better resend it with the changelog
>> somewhat edited.
> No, I plan to leave it as is and not rely on device.h by chance
> declaring device_node.

     I hoped to see this fix in 3.10-rc1. Is there any hope to see it in 
3.10-rc's?
The code it fixes the warnings in is already in Linus tree.

>
>>> Rob

WBR, Sergei

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