linux-kernel - [PATCH 1/2] units: Add the HZ_PER

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Date:   Tue, 23 Feb 2021 21:30:01 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     rafael@...nel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lukasz Luba <lukasz.luba@....com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] units: Add the HZ_PER_KHZ macro

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@...aro.org>
---
 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