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[X4] Update sysfs drivers for PSU and FAN #47

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Merged
mlok-nokia merged 1 commit into from
Apr 10, 2026
Merged

[X4] Update sysfs drivers for PSU and FAN #47

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2 changes: 1 addition & 1 deletion ixr7250x4/modules/Makefile
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
obj-m := psu_x3b.o psu_eeprom.o fan_eeprom.o fan_led.o max31790_wd.o
obj-m := psu_verm.o psu_verm_eeprom.o fan_verm_eeprom.o fan_verm_led.o max31790_wd.o
57 changes: 28 additions & 29 deletions ixr7250x4/modules/fan_eeprom.c → ixr7250x4/modules/fan_verm_eeprom.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
#include <linux/mutex.h>
#include <linux/delay.h>

#define EEPROM_NAME "fan_eeprom"
#define EEPROM_NAME "fan_verm_eeprom"
#define EEPROM_LEN 128
#define FIELD_LEN_MAX 16

Expand Down Expand Up @@ -74,64 +74,64 @@ static int decode_eeprom(struct i2c_client *client)
{
struct menuee_data *ee_data = i2c_get_clientdata(client);
int i = 0;
int len;
int cpylen;
u8 len = 0;
int cpylen = 0;

while (i < EEPROM_LEN) {
switch (ee_data->eeprom[i]) {
case kEeCleiCode:
i++;
len = ee_data->eeprom[i++];
if (len <= FIELD_LEN_MAX)
if (len < FIELD_LEN_MAX)
cpylen = len;
else
cpylen = FIELD_LEN_MAX;
else
cpylen = FIELD_LEN_MAX - 1;
memcpy(&ee_data->clei[0], &ee_data->eeprom[i], cpylen);
ee_data->clei[len] = 0;
ee_data->clei[cpylen] = 0;
i += len;
break;
case kMfgDate:
i++;
len = ee_data->eeprom[i++];
if (len <= FIELD_LEN_MAX)
if (len < FIELD_LEN_MAX)
cpylen = len;
else
cpylen = FIELD_LEN_MAX;
else
cpylen = FIELD_LEN_MAX - 1;
memcpy(&ee_data->mfg_date[0], &ee_data->eeprom[i], cpylen);
ee_data->mfg_date[len] = 0;
ee_data->mfg_date[cpylen] = 0;
i += len;
break;
case kMfgSerialNum:
i++;
len = ee_data->eeprom[i++];
if (len <= FIELD_LEN_MAX)
if (len < FIELD_LEN_MAX)
cpylen = len;
else
cpylen = FIELD_LEN_MAX;
else
cpylen = FIELD_LEN_MAX - 1;
memcpy(&ee_data->serial_number[0], &ee_data->eeprom[i], cpylen);
ee_data->serial_number[len] = 0;
ee_data->serial_number[cpylen] = 0;
i += len;
break;
case kMfgPartNum:
i++;
len = ee_data->eeprom[i++];
if (len <= FIELD_LEN_MAX)
if (len < FIELD_LEN_MAX)
cpylen = len;
else
cpylen = FIELD_LEN_MAX;
else
cpylen = FIELD_LEN_MAX - 1;
memcpy(&ee_data->part_number[0], &ee_data->eeprom[i], cpylen);
ee_data->part_number[len] = 0;
ee_data->part_number[cpylen] = 0;
i += len;
break;
case kMfgAssemblyNum:
i++;
len = ee_data->eeprom[i++];
if (len <= FIELD_LEN_MAX)
if (len < FIELD_LEN_MAX)
cpylen = len;
else
cpylen = FIELD_LEN_MAX;
else
cpylen = FIELD_LEN_MAX - 1;
memcpy(&ee_data->assembly_num[0], &ee_data->eeprom[i], cpylen);
ee_data->assembly_num[len] = 0;
ee_data->assembly_num[cpylen] = 0;
i += len;
break;
case kHwDirectives:
Expand Down Expand Up @@ -171,7 +171,7 @@ static ssize_t eeprom_show(struct device *dev, struct device_attribute *devattr,
{
struct menuee_data *data = dev_get_drvdata(dev);
int i = 0;
int len;
int len = 0;
for (i = 0; i < EEPROM_LEN; i++) {
if (data->eeprom[i] == 0)
len += sprintf(buf + len, ".");
Expand Down Expand Up @@ -272,7 +272,6 @@ static int eeprom_probe(struct i2c_client *client)
return -ENOMEM;
}

//data->client = client;
i2c_set_clientdata(client, data);
mutex_init(&data->lock);

Expand Down Expand Up @@ -314,12 +313,12 @@ static struct i2c_driver eeprom_driver = {
.address_list = normal_i2c,
};

static int __init fan_eeprom_init(void)
static int __init fan_verm_eeprom_init(void)
{
return i2c_add_driver(&eeprom_driver);
}

static void __exit fan_eeprom_exit(void)
static void __exit fan_verm_eeprom_exit(void)
{
i2c_del_driver(&eeprom_driver);
}
Expand All @@ -328,5 +327,5 @@ MODULE_DESCRIPTION("FAN eeprom sysfs driver");
MODULE_AUTHOR("Nokia");
MODULE_LICENSE("GPL");

module_init(fan_eeprom_init);
module_exit(fan_eeprom_exit);
module_init(fan_verm_eeprom_init);
module_exit(fan_verm_eeprom_exit);
24 changes: 13 additions & 11 deletions ixr7250x4/modules/fan_led.c → ixr7250x4/modules/fan_verm_led.c
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Nokia 7250-IXR X Fan LED Driver
*
* Copyright (C) 2024 Nokia
*
*/
*
* Copyright (C) 2024 Nokia
*
*/

#include <linux/module.h>
#include <linux/init.h>
Expand All @@ -14,7 +14,7 @@
#include <linux/device.h>
#include <linux/mutex.h>

#define DRIVER_NAME "fan_led"
#define DRIVER_NAME "fan_verm_led"

// REGISTERS ADDRESS MAP
#define REG_MODE1 0x0
Expand Down Expand Up @@ -127,7 +127,7 @@ static int fan_led_probe(struct i2c_client *client)
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&client->dev, "Fan_LED PROBE ERROR: i2c_check_functionality failed (0x%x)\n", client->addr);
status = -EIO;
goto exit;
goto exit;
}

dev_info(&client->dev, "Nokia Fan_LED driver found.\n");
Expand All @@ -146,7 +146,7 @@ static int fan_led_probe(struct i2c_client *client)
status = sysfs_create_group(&client->dev.kobj, &fan_led_group);
if (status) {
dev_err(&client->dev, "Fan_LED INIT ERROR: Cannot create sysfs\n");
goto exit;
goto exit_sysfs_create_group;
}

set_mode(data);
Expand All @@ -160,6 +160,8 @@ static int fan_led_probe(struct i2c_client *client)

return 0;

exit_sysfs_create_group:
kfree(data);
exit:
return status;
}
Expand Down Expand Up @@ -187,12 +189,12 @@ static struct i2c_driver fan_led_driver = {
.address_list = led_address_list,
};

static int __init fan_led_init(void)
static int __init fan_verm_led_init(void)
{
return i2c_add_driver(&fan_led_driver);
}

static void __exit fan_led_exit(void)
static void __exit fan_verm_led_exit(void)
{
i2c_del_driver(&fan_led_driver);
}
Expand All @@ -201,5 +203,5 @@ MODULE_AUTHOR("Nokia");
MODULE_DESCRIPTION("NOKIA Fan LED driver");
MODULE_LICENSE("GPL");

module_init(fan_led_init);
module_exit(fan_led_exit);
module_init(fan_verm_led_init);
module_exit(fan_verm_led_exit);
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