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-rw-r--r--sys/include/dev/timer/hpet.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/include/dev/timer/hpet.h b/sys/include/dev/timer/hpet.h
index 513444e..98ffb4a 100644
--- a/sys/include/dev/timer/hpet.h
+++ b/sys/include/dev/timer/hpet.h
@@ -33,6 +33,8 @@
#include <sys/types.h>
int hpet_init(void);
-void hpet_msleep(size_t ms);
+int hpet_msleep(size_t ms);
+int hpet_usleep(size_t us);
+int hpet_nsleep(size_t ns);
#endif /* !_TIMER_HPET_H_ */