linux-kernel - [PATCH v3 0/3] units: complement the set of Hz units

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Date:   Mon, 1 Aug 2022 14:37:23 +0000
From:   Dmitry Rokosov <DDRokosov@...rdevices.ru>
To:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "wsa@...nel.org" <wsa@...nel.org>,
        "andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "Michael.Hennerich@...log.com" <Michael.Hennerich@...log.com>,
        "jbhayana@...gle.com" <jbhayana@...gle.com>
CC:     "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        kernel <kernel@...rdevices.ru>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Dmitry Rokosov <DDRokosov@...rdevices.ru>
Subject: [PATCH v3 0/3] units: complement the set of Hz units

During msa311 accel IIO driver development

https://lore.kernel.org/linux-iio/20220616104211.9257-1-ddrokosov@sberdevices.ru/

Andy requested to use proper units in the hz->ms calculation. Current
units.h header doesn't have milli, micro and nano HZ coefficients, so
some drivers (in the IIO subsystem) implement their own copies for that.

The current patchset resolves such a problem and intoduces general
MILLIHZ_PER_HZ, MICROHZ_PER_HZ and NANOHZ_PER_HZ definitions in the units.h,
and fixes all drivers which duplicate these units.

Changes:
* v2->v3:
    - changed UHZ_PER_HZ to MICROHZ_PER_HZ and NHZ_PER_HZ to
      NANOHZ_PER_HZ to save name consistency for all new HZ units

* v1->v2:
    - changed MHZ_PER_HZ to a different name as Andy suggested
      (suppose MILLIHZ_PER_HZ is good enough)

Dmitry Rokosov (3):
  units: complement the set of Hz units
  iio: accel: adxl345: use HZ macro from units.h
  iio: common: scmi_sensors: use HZ macro from units.h

 drivers/iio/accel/adxl345_core.c           | 7 ++++---
 drivers/iio/common/scmi_sensors/scmi_iio.c | 8 ++++----
 include/linux/units.h                      | 3 +++
 3 files changed, 11 insertions(+), 7 deletions(-)

-- 
2.36.0