Unverified Commit f23669f8 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Andi Shyti
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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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarAndi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260112134900.4142954-3-andriy.shevchenko@linux.intel.com
parent 5083dba0

drivers/i2c/busses/i2c-mlxbf.c

+2 −3
Original line number Diff line number Diff line
@@ -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.