linux-kernel - [PATCH v1 2/7] i2c: mlxbf: Use HZ_PER_GHZ constant instead of custom one

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Message-ID: <20260112134900.4142954-3-andriy.shevchenko@linux.intel.com>
Date: Mon, 12 Jan 2026 14:46:10 +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 2/7] i2c: mlxbf: Use HZ_PER_GHZ constant instead of custom one

Use HZ_PER_GHZ constant instead of custom one. No functional changes.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/i2c/busses/i2c-mlxbf.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c
index 8345f7e6385d..746f65989138 100644
--- a/drivers/i2c/busses/i2c-mlxbf.c
+++ b/drivers/i2c/busses/i2c-mlxbf.c
@@ -20,6 +20,7 @@
 #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/string_choices.h>
+#include <linux/units.h>
 
 /* Defines what functionality is present. */
 #define MLXBF_I2C_FUNC_SMBUS_BLOCK \
@@ -72,8 +73,6 @@
 /* Constant used to determine the PLL frequency. */
 #define MLNXBF_I2C_COREPLL_CONST    16384ULL
 
-#define MLXBF_I2C_FREQUENCY_1GHZ  1000000000ULL
-
 /* PLL registers. */
 #define MLXBF_I2C_CORE_PLL_REG1         0x4
 #define MLXBF_I2C_CORE_PLL_REG2         0x8
@@ -1083,7 +1082,7 @@ static u32 mlxbf_i2c_get_ticks(struct mlxbf_i2c_priv *priv, u64 nanoseconds,
 	 *         Frequency
 	 */
 	frequency = priv->frequency;
-	ticks = div_u64(nanoseconds * frequency, MLXBF_I2C_FREQUENCY_1GHZ);
+	ticks = div_u64(nanoseconds * frequency, HZ_PER_GHZ);
 	/*
 	 * The number of ticks is rounded down and if minimum is equal to 1
 	 * then add one tick.
-- 
2.50.1