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path: root/drivers/input/serio
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-rw-r--r--drivers/input/serio/hp_sdc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 7b233a492ad5..aad664d5259f 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -67,6 +67,7 @@
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/time.h>
+#include <linux/semaphore.h>
#include <linux/slab.h>
#include <linux/hil.h>
#include <linux/semaphore.h>