[PATCH v1 1/7] units: Add HZ_PER_GHZ

[Andy Shevchenko]

The is going to be a new user of the HZ_PER_GHZ definition besides
possibly existing ones. Add that one to the header.

While at it, split Hz and kHz groups of the multipliers for better
maintenance and readability.

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---
 include/linux/units.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/units.h b/include/linux/units.h
index 00e15de33eca..0c296a004e89 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -25,9 +25,12 @@
 #define MICROHZ_PER_HZ		1000000UL
 #define MILLIHZ_PER_HZ		1000UL
 
+/* Hz based multipliers */
 #define HZ_PER_KHZ		1000UL
 #define HZ_PER_MHZ		1000000UL
+#define HZ_PER_GHZ		1000000000UL
 
+/* kHz based multipliers */
 #define KHZ_PER_MHZ		1000UL
 #define KHZ_PER_GHZ		1000000UL
 
-- 
2.50.1