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Diffstat (limited to 'cpukit/libcsupport/include/clockdrv.h')
-rw-r--r--cpukit/libcsupport/include/clockdrv.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/cpukit/libcsupport/include/clockdrv.h b/cpukit/libcsupport/include/clockdrv.h
index d7cacab806..d0eb55e9f6 100644
--- a/cpukit/libcsupport/include/clockdrv.h
+++ b/cpukit/libcsupport/include/clockdrv.h
@@ -19,6 +19,8 @@
#ifndef _RTEMS_CLOCKDRV_H
#define _RTEMS_CLOCKDRV_H
+#include <rtems/io.h> /* rtems_device_driver */
+
#ifdef __cplusplus
extern "C" {
#endif