[PATCH v2 1/9] units: Add the HZ macros

[Daniel Lezcano]

The macros for the unit conversion for frequency are duplicated in
different places.

Provide these macros in the 'units' header, so they can be reused.

Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Reviewed-by: Christian Eggers <ceggers@xxxxxxx>
Reviewed-by: Andy Shevchenko <Andy.Shevchenko@xxxxxxxxx>
---
 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