[PATCH 1/2] units: Add the HZ_PER_KHZ macro

[Daniel Lezcano]

The macro for the unit conversion for frequency is duplicated in
different places.

Provide this macro in the 'units' header, so it can be reused.

Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
 include/linux/units.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/units.h b/include/linux/units.h
index dcc30a53fa93..218ec0d314b6 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -4,6 +4,10 @@
 
 #include <linux/math.h>
 
+#define HZ_PER_KHZ		1000L
+#define KHZ_PER_MHZ		1000L
+#define HZ_PER_MHZ		1000000L
+
 #define MILLIWATT_PER_WATT	1000L
 #define MICROWATT_PER_MILLIWATT	1000L
 #define MICROWATT_PER_WATT	1000000L
-- 
2.17.1