From: Dmitry Rokosov <DDRokosov@sberdevices.ru>
To: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"andriy.shevchenko@linux.intel.com"
<andriy.shevchenko@linux.intel.com>,
"daniel.lezcano@linaro.org" <daniel.lezcano@linaro.org>,
"jic23@kernel.org" <jic23@kernel.org>,
"wsa@kernel.org" <wsa@kernel.org>,
"andy.shevchenko@gmail.com" <andy.shevchenko@gmail.com>,
"lars@metafoo.de" <lars@metafoo.de>,
"Michael.Hennerich@analog.com" <Michael.Hennerich@analog.com>,
"jbhayana@google.com" <jbhayana@google.com>
Cc: "linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
kernel <kernel@sberdevices.ru>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Dmitry Rokosov <DDRokosov@sberdevices.ru>
Subject: [PATCH v3 1/3] units: complement the set of Hz units
Date: Mon, 1 Aug 2022 14:37:25 +0000 [thread overview]
Message-ID: <20220801143811.14817-2-ddrokosov@sberdevices.ru> (raw)
In-Reply-To: <20220801143811.14817-1-ddrokosov@sberdevices.ru>
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(+)
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
--
2.36.0
next prev parent reply other threads:[~2022-08-01 14:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 14:37 [PATCH v3 0/3] " Dmitry Rokosov
2022-08-01 14:37 ` Dmitry Rokosov [this message]
2022-08-01 14:37 ` [PATCH v3 2/3] iio: accel: adxl345: use HZ macro from units.h Dmitry Rokosov
2022-08-01 14:37 ` [PATCH v3 3/3] iio: common: scmi_sensors: " Dmitry Rokosov
2022-08-28 15:47 ` [PATCH v3 0/3] units: complement the set of Hz units Jonathan Cameron
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