linux-kernel - Re: [PATCH] acpi: fix acpi/video.h error and warning when PM is not enabled

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Message-ID: <1289957348.8148.2098.camel@rui>
Date:	Wed, 17 Nov 2010 09:29:08 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"lenb@...nel.org" <lenb@...nel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] acpi: fix acpi/video.h error and warning when PM is
 not enabled

On Wed, 2010-11-17 at 08:59 +0800, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> When CONFIG_PM is not enabled, acpi/video.h causes a build error.
> Also fix a longstanding warning.
> 
> include/acpi/video.h:22: warning: 'struct acpi_device' declared inside parameter list
> include/acpi/video.h:22: warning: its scope is only this definition or declaration, which is probably not what you want
> include/acpi/video.h: In function 'acpi_video_get_edid':
> include/acpi/video.h:24: error: 'ENODEV' undeclared (first use in this function)
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>

we already have a patch at
http://marc.info/?l=linux-kernel&m=128369371631933&w=2
Not sure if Len has applied it or not.
Anyway, thanks for the patch. :)

-rui
> ---
>  include/acpi/video.h |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> --- lnx-2637-rc2.orig/include/acpi/video.h
> +++ lnx-2637-rc2/include/acpi/video.h
> @@ -1,6 +1,10 @@
>  #ifndef __ACPI_VIDEO_H
>  #define __ACPI_VIDEO_H
>  
> +#include <linux/errno.h>
> +
> +struct acpi_device;
> +
>  #define ACPI_VIDEO_DISPLAY_CRT  1
>  #define ACPI_VIDEO_DISPLAY_TV   2
>  #define ACPI_VIDEO_DISPLAY_DVI  3
> --
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