Re: [PATCH] acpi: fix acpi/video.h error and warning when PM isnot enabled

From: Zhang Rui
Date: Tue Nov 16 2010 - 20:27:29 EST


On Wed, 2010-11-17 at 08:59 +0800, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>

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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