[PATCH v4 1/2] ACPI: APD: Convert fixed clock rates to use HZ_PER_MHZ

From: clarke.li

Date: Thu Aug 13 2026 - 02:31:33 EST


From: Hongnan Li <clarke.li@xxxxxxxxxxxx>

Use HZ_PER_MHZ multiplier for fixed_clk_rate values to
improve readability.

Signed-off-by: Hongnan Li <clarke.li@xxxxxxxxxxxx>
---
drivers/acpi/acpi_apd.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 008bd0552cb7..275027ebd01f 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/platform_data/clk-fch.h>
#include <linux/platform_device.h>
+#include <linux/units.h>

#include "internal.h"

@@ -110,17 +111,17 @@ static int fch_misc_setup(struct apd_private_data *pdata)

static const struct apd_device_desc cz_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 133000000,
+ .fixed_clk_rate = 133 * HZ_PER_MHZ,
};

static const struct apd_device_desc wt_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 150000000,
+ .fixed_clk_rate = 150 * HZ_PER_MHZ,
};

static const struct apd_device_desc wt_i3c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 125000000,
+ .fixed_clk_rate = 125 * HZ_PER_MHZ,
};

static struct property_entry uart_properties[] = {
@@ -132,7 +133,7 @@ static struct property_entry uart_properties[] = {

static const struct apd_device_desc cz_uart_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 48000000,
+ .fixed_clk_rate = 48 * HZ_PER_MHZ,
.properties = uart_properties,
};

@@ -144,52 +145,52 @@ static const struct apd_device_desc fch_misc_desc = {
#ifdef CONFIG_ARM64
static const struct apd_device_desc xgene_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 100000000,
+ .fixed_clk_rate = 100 * HZ_PER_MHZ,
};

static const struct apd_device_desc vulcan_spi_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 133000000,
+ .fixed_clk_rate = 133 * HZ_PER_MHZ,
};

static const struct apd_device_desc hip07_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 200000000,
+ .fixed_clk_rate = 200 * HZ_PER_MHZ,
};

static const struct apd_device_desc hip08_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 250000000,
+ .fixed_clk_rate = 250 * HZ_PER_MHZ,
};

static const struct apd_device_desc hip08_lite_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 125000000,
+ .fixed_clk_rate = 125 * HZ_PER_MHZ,
};

static const struct apd_device_desc thunderx2_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 125000000,
+ .fixed_clk_rate = 125 * HZ_PER_MHZ,
};

static const struct apd_device_desc nxp_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 350000000,
+ .fixed_clk_rate = 350 * HZ_PER_MHZ,
};

static const struct apd_device_desc hip08_spi_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 250000000,
+ .fixed_clk_rate = 250 * HZ_PER_MHZ,
};

static const struct apd_device_desc leca_spi_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 400000000,
+ .fixed_clk_rate = 400 * HZ_PER_MHZ,
};

static const struct apd_device_desc leca_i2c_desc = {
.setup = acpi_apd_setup,
- .fixed_clk_rate = 250000000,
+ .fixed_clk_rate = 250 * HZ_PER_MHZ,
};

#endif /* CONFIG_ARM64 */
--
2.55.0