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-rw-r--r--include/clock.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/clock.h b/include/clock.h
index 85ce40182f..54b895e318 100644
--- a/include/clock.h
+++ b/include/clock.h
@@ -27,6 +27,7 @@ int is_timeout(uint64_t start_ns, uint64_t time_offset_ns);
// void udelay(unsigned long usecs);
+void ndelay(unsigned long nsecs);
void mdelay(unsigned long msecs);
#define SECOND ((uint64_t)(1000 * 1000 * 1000))