linux-kernel - Re: xpad_probe: undefined reference to `led_classdev

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Message-Id: <200709261833.22226.dmitry.torokhov@gmail.com>
Date:	Wed, 26 Sep 2007 18:33:22 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	thomas@...3r.de, linux-kernel@...r.kernel.org
Subject: Re: xpad_probe: undefined reference to `led_classdev_register'

Hi,

On Wednesday 26 September 2007, Randy Dunlap wrote:
> On Wed, 26 Sep 2007 23:25:33 +0200 thomas@...3r.de wrote:
> 
> > Hi.
> > 
> > Current linus' git tree:
> > 
> > x86_64-unknown-linux-gnu-ld: BFD 2.15 assertion fail
> > /home/thomas/source/crosstool-0.43/build/x86_64-unknown-linux-gnu/gcc-3.4.5-glibc-2.3.6/binutils-2.15/bfd/linker.c:619
> > drivers/built-in.o(.text+0x20749d): In function `xpad_probe':
> > : undefined reference to `led_classdev_register'
> > drivers/built-in.o(.text+0x20756c): In function `xpad_disconnect':
> > : undefined reference to `led_classdev_unregister'
> > make: *** [.tmp_vmlinux1] Fehler 1
> > 
> > any ideas?
> 
> Please send .config file.
> 
> Ix xpad driver built-in (yes, it is) and led driver is modular?
> We can fix that...
>

I have the patch below in mytree. I guess I need to forward it to Linus
insterad of waiting for 2.6.24 as too many people hit this.

-- 
Dmitry
 
Input: xpad - fix dependancy on LEDS class

The driver can not be built-in when LEDS class is a module.

Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
---
 drivers/input/joystick/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: work/drivers/input/joystick/Kconfig
===================================================================
--- work.orig/drivers/input/joystick/Kconfig
+++ work/drivers/input/joystick/Kconfig
@@ -277,7 +277,7 @@ config JOYSTICK_XPAD_FF
 
 config JOYSTICK_XPAD_LEDS
 	bool "LED Support for Xbox360 controller 'BigX' LED"
-	depends on LEDS_CLASS && JOYSTICK_XPAD
+	depends on JOYSTICK_XPAD && (LEDS_CLASS=y || LEDS_CLASS=JOYSTICK_XPAD)
 	---help---
 	  This option enables support for the LED which surrounds the Big X on
 	  XBox 360 controller.
-
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