linux-kernel - [PATCH v1 1/7] units: Add HZ_PER

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Message-ID: <20260112134900.4142954-2-andriy.shevchenko@linux.intel.com>
Date: Mon, 12 Jan 2026 14:46:09 +0100
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andi Shyti <andi@...da.it>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Qianfeng Rong <rongqianfeng@...o.com>,
	linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Cc: Khalil Blaiech <kblaiech@...dia.com>,
	Asmaa Mnebhi <asmaa@...dia.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Qii Wang <qii.wang@...iatek.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Linus Walleij <linusw@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Patrice Chotard <patrice.chotard@...s.st.com>,
	Ard Biesheuvel <ardb@...nel.org>
Subject: [PATCH v1 1/7] units: Add HZ_PER_GHZ

The is going to be a new user of the HZ_PER_GHZ definition besides
possibly existing ones. Add that one to the header.

While at it, split Hz and kHz groups of the multipliers for better
maintenance and readability.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/units.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/units.h b/include/linux/units.h
index 00e15de33eca..0c296a004e89 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -25,9 +25,12 @@
 #define MICROHZ_PER_HZ		1000000UL
 #define MILLIHZ_PER_HZ		1000UL
 
+/* Hz based multipliers */
 #define HZ_PER_KHZ		1000UL
 #define HZ_PER_MHZ		1000000UL
+#define HZ_PER_GHZ		1000000000UL
 
+/* kHz based multipliers */
 #define KHZ_PER_MHZ		1000UL
 #define KHZ_PER_GHZ		1000000UL
 
-- 
2.50.1