mfd: Fix ucb1x00 build failure for collie_defconfig
This patch fixes a build failure[1], by adding the missing semaphore.h include
References:
[1] http://kisskb.ellerman.id.au/kisskb/buildresult/2234322/
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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>
diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h
index aa9c378..4321f04 100644
--- a/include/linux/mfd/ucb1x00.h
+++ b/include/linux/mfd/ucb1x00.h
@@ -12,6 +12,7 @@
#include <linux/mfd/mcp.h>
#include <linux/gpio.h>
+#include <linux/semaphore.h>
#define UCB_IO_DATA 0x00
#define UCB_IO_DIR 0x01
