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-rw-r--r--include/linux/timex.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 9910e3b..e6967d1 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -280,6 +280,9 @@ extern int do_adjtimex(struct timex *);
int read_current_timer(unsigned long *timer_val);
+/* The clock frequency of the i8253/i8254 PIT */
+#define PIT_TICK_RATE 1193182ul
+
#endif /* KERNEL */
#endif /* LINUX_TIMEX_H */
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