I am trying to write a driver for my i2с device. But I got a dead-end problem, which I could not solve with the help of Google for several days.

In general, I simplified the code to a minimum to understand where exactly the error is.

#include <linux/i2c.h>
#include <linux/module.h>

static int my_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
    pr_info("Probe function calledn");
    // Add your probe implementation here
    return 0; // Return 0 on success
}

static int my_i2c_remove(struct i2c_client *client)
{
    pr_info("Remove function calledn");
    // Add your remove implementation here
    return 0; // Return 0 on success
}

static const struct i2c_device_id my_id_table[] = {
    { "my_i2c_device", 0 },
    { }
};
MODULE_DEVICE_TABLE(i2c, my_id_table);

static struct i2c_driver my_i2c_driver = {
    .driver = {
        .name = "my_i2c_driver",
        .owner = THIS_MODULE,
    },
    .probe = my_i2c_probe,
    .remove = my_i2c_remove,
    .id_table = my_id_table,
};

static int __init my_init(void)
{
    return i2c_add_driver(&my_i2c_driver);
}

static void __exit my_exit(void)
{
    i2c_del_driver(&my_i2c_driver);
}

module_init(my_init);
module_exit(my_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Your Name");
MODULE_DESCRIPTION("Sample I2C Driver");

The constant error I get:

sudo make 
make -C /lib/modules/6.6.37-v8+/build M=/home/pi/ForestBox/driver modules
make[1]: Entering directory '/home/pi/linux-4251c6ff2aa870ca9782abc0ecdf60eac3ba22ab'
  CC [M]  /home/pi/ForestBox/driver/RTC_PCF_Driver.o
/home/pi/ForestBox/driver/RTC_PCF_Driver.c:29:14: error: initialization of ‘int (*)(struct i2c_client *)’ from incompatible pointer type ‘int (*)(struct i2c_client *, const struct i2c_device_id *)’ [-Werror=incompatible-pointer-types]
   29 |     .probe = my_i2c_probe,
      |              ^~~~~~~~~~~~
/home/pi/ForestBox/driver/RTC_PCF_Driver.c:29:14: note: (near initialization for ‘my_i2c_driver.probe’)
/home/pi/ForestBox/driver/RTC_PCF_Driver.c:30:15: error: initialization of ‘void (*)(struct i2c_client *)’ from incompatible pointer type ‘int (*)(struct i2c_client *)’ [-Werror=incompatible-pointer-types]
   30 |     .remove = my_i2c_remove,
      |               ^~~~~~~~~~~~~
/home/pi/ForestBox/driver/RTC_PCF_Driver.c:30:15: note: (near initialization for ‘my_i2c_driver.remove’)
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:243: /home/pi/ForestBox/driver/RTC_PCF_Driver.o] Error 1
make[2]: *** [/home/pi/linux-4251c6ff2aa870ca9782abc0ecdf60eac3ba22ab/Makefile:1921: /home/pi/ForestBox/driver] Error 2
make[1]: *** [Makefile:234: __sub-make] Error 2
make[1]: Leaving directory '/home/pi/linux-4251c6ff2aa870ca9782abc0ecdf60eac3ba22ab'
make: *** [Makefile:5: all] Error 2

Here is the kernel version

pi@raspberrypi:~/ForestBox/driver $ uname -r
6.6.37-v8+

GCC version

pi@raspberrypi:~/ForestBox/driver $ gcc --version
gcc (Debian 12.2.0-14) 12.2.0
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

I understand what the error is about, and that the signatures must match. and it seems to me that they are the same.

I tried to do the same on another fresh OS but same device and got the same error

I suspect there is a bug with the versions, but how can I check?