linux-kernel - Re: 2.6.21-mm2 -- Compile error: include/linux/power_supply.h:125: error: field ‘changed

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Message-ID: <20070509105019.GA20209@zarina>
Date:	Wed, 9 May 2007 14:50:20 +0400
From:	Anton Vorontsov <cbou@...l.ru>
To:	Miles Lane <miles.lane@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-mm2 -- Compile error: include/linux/power_supply.h:125: error: field ‘changed_work’ has incomplete type

On Wed, May 09, 2007 at 03:43:34AM -0700, Miles Lane wrote:
>   CC      drivers/power/power_supply_core.o
>  In file included from drivers/power/power_supply_core.c:18:
>  include/linux/power_supply.h:125: error: field 'changed_work' has
>  incomplete type
>  drivers/power/power_supply_core.c: In function 'power_supply_changed_work':
>  drivers/power/power_supply_core.c:25: warning: type defaults to 'int'
>  in declaration of '__mptr'
>  drivers/power/power_supply_core.c:25: warning: initialization from
>  incompatible pointer type
>  drivers/power/power_supply_core.c: In function 'power_supply_changed':
>  drivers/power/power_supply_core.c:57: warning: implicit declaration of
>  function 'schedule_work'
>  drivers/power/power_supply_core.c: In function 'power_supply_register':
>  drivers/power/power_supply_core.c:103: warning: implicit declaration
>  of function 'INIT_WORK'
>  drivers/power/power_supply_core.c: In function 'power_supply_unregister':
>  drivers/power/power_supply_core.c:128: warning: implicit declaration
>  of function 'flush_scheduled_work'
>  make[2]: *** [drivers/power/power_supply_core.o] Error 1

Oh oh.. yet another refactors in -mm. It compiles clean on bare
2.6.21, though. But power_supply.h is indeed wrong, it assumed that
workqueue.h included by other headers, it is not. I hope following patch
will fix it.


diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 14e617b..2f47df7 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -14,6 +14,7 @@
 #define __LINUX_POWER_SUPPLY_H__
 
 #include <linux/device.h>
+#include <linux/workqueue.h>
 #include <linux/leds.h>
 
 /*
-
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