diff mbox series

[v3,1/3] units: complement the set of Hz units

Message ID 20220801143811.14817-2-ddrokosov@sberdevices.ru (mailing list archive)
State Superseded
Headers show
Series units: complement the set of Hz units | expand

Commit Message

Dmitry Rokosov Aug. 1, 2022, 2:37 p.m. UTC
Currently, Hz units do not have milli, micro and nano Hz coefficients.
Some drivers (IIO especially) use their analogues to calculate
appropriate Hz values. This patch includes them to units.h definitions,
so they can be used from different kernel places.

Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
---
 include/linux/units.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/include/linux/units.h b/include/linux/units.h
index 681fc652e3d7..2793a41e73a2 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -20,6 +20,9 @@ 
 #define PICO	1000000000000ULL
 #define FEMTO	1000000000000000ULL
 
+#define NANOHZ_PER_HZ		1000000000UL
+#define MICROHZ_PER_HZ		1000000UL
+#define MILLIHZ_PER_HZ		1000UL
 #define HZ_PER_KHZ		1000UL
 #define KHZ_PER_MHZ		1000UL
 #define HZ_PER_MHZ		1000000UL