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-rw-r--r--drivers/mfd/ucb1x00-core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 252b741..b281217 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -27,6 +27,7 @@
#include <linux/mutex.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/gpio.h>
+#include <linux/semaphore.h>
#include <mach/dma.h>
#include <mach/hardware.h>
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