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

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Date:   Wed, 24 Feb 2021 15:42:11 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     rafael@...nel.org, andriy.shevchenko@...ux.intel.com
Cc:     linux-kernel@...r.kernel.org, Christian Eggers <ceggers@...i.de>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Lukasz Luba <lukasz.luba@....com>
Subject: [PATCH v2 1/9] units: Add the HZ macros

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@...aro.org>
Reviewed-by: Christian Eggers <ceggers@...i.de>
Reviewed-by: Andy Shevchenko <Andy.Shevchenko@...il.com>
---
 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