linux-kernel - [PATCH 1/6] ucb1x00: include linux/semaphore.h

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Date:	Fri,  7 Aug 2009 22:42:36 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Kay Sievers <kay.sievers@...y.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 1/6] ucb1x00: include linux/semaphore.h

This fixes the following error:

	  CC      drivers/mfd/ucb1x00-core.o
	drivers/mfd/ucb1x00-core.c: In function 'ucb1x00_adc_enable':
	drivers/mfd/ucb1x00-core.c:138: error: implicit declaration of function 'down'
	drivers/mfd/ucb1x00-core.c: In function 'ucb1x00_adc_disable':
	drivers/mfd/ucb1x00-core.c:196: error: implicit declaration of function 'up'
	drivers/mfd/ucb1x00-core.c: In function 'ucb1x00_probe':
	drivers/mfd/ucb1x00-core.c:500: error: implicit declaration of function 'sema_init'

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Samuel Ortiz <sameo@...ux.intel.com>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: Kay Sievers <kay.sievers@...y.org>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
Cc: linux-kernel@...r.kernel.org
---
Hello,

should this better be converted to mutex_lock/mutex_unlock?

Best regards
Uwe
---
 drivers/mfd/ucb1x00-core.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index fea9085..3c59c26 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
+#include <linux/semaphore.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>
-- 
1.6.3.3

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