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From: Richard Purdie <rpurdie@rpsys.net>
To: Adrian Bunk <bunk@stusta.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: BACKLIGHT_CLASS_DEVICE=y, SYSFS=n compile error
Date: Tue, 20 Feb 2007 12:38:40 +0000	[thread overview]
Message-ID: <1171975120.5884.13.camel@localhost.localdomain> (raw)
In-Reply-To: <20070220000829.GO13958@stusta.de>

On Tue, 2007-02-20 at 01:08 +0100, Adrian Bunk wrote:
> CONFIG_BACKLIGHT_CLASS_DEVICE=y, CONFIG_SYSFS=n results int he 
> following compile error:
> ...
>   LD      .tmp_vmlinux1
> drivers/built-in.o: In function `nvidia_bl_exit':
> (.text+0x27d01): undefined reference to `backlight_device_unregister'
> drivers/built-in.o: In function `nvidia_bl_init':
> (.text+0x27e3c): undefined reference to `backlight_device_register'

I've added the patch below to the git backlight tree to resolve this.

Cheers,

Richard


backlight: Remove bogus SYSFS dependency

Remove a bogus SYSFS dependency from the backlight class

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index cd2ef0a..f8bc43c 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -4,9 +4,7 @@
 
 menu "Graphics support"
 
-if SYSFS
-	source "drivers/video/backlight/Kconfig"
-endif
+source "drivers/video/backlight/Kconfig"
 
 config FB
 	tristate "Support for frame buffer devices"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 6801edf..1b79a6f 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -12,7 +12,7 @@ fb-objs                           := $(fb-y)
 
 obj-$(CONFIG_VT)		  += console/
 obj-$(CONFIG_LOGO)		  += logo/
-obj-$(CONFIG_SYSFS)		  += backlight/
+obj-y				  += backlight/
 
 obj-$(CONFIG_FB_CFB_FILLRECT)  += cfbfillrect.o
 obj-$(CONFIG_FB_CFB_COPYAREA)  += cfbcopyarea.o






  reply	other threads:[~2007-02-20 12:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-20  0:08 BACKLIGHT_CLASS_DEVICE=y, SYSFS=n compile error Adrian Bunk
2007-02-20 12:38 ` Richard Purdie [this message]
2007-02-20 13:19   ` Adrian Bunk

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