linux下驱动的probe到底是在哪里被调用的？

1. 以RTC的probe过程为例
2. linux内核版本5.9.0
3. 执行路径如下

rtc@51 {
    compatible = "nxp,pcf2129";
    reg = <0x51>;
    interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
}

module_init(pcf2127_init), drivers/rtc/rtc-pcf2127.c
    ->  pcf2127_init(), drivers/rtc/rtc-pcf2127.c
        -> pcf2127_i2c_register_driver(), drivers/rtc/rtc-pcf2127.c
            -> i2c_add_driver(&pcf2127_i2c_driver); drivers/rtc/rtc-pcf2127.c
                -> i2c_register_driver(), include/linux/i2c.h
                    -> driver->driver.bus = &i2c_bus_type; drivers/i2c/i2c-core-base.c
                         -> struct bus_type i2c_bus_type = {..., .probe          = i2c_device_probe,...}
                    -> driver_register(), drivers/base/driver.c
                        -> driver_find(), drivers/base/driver.c
                        -> bus_add_driver(), drivers/base/bus.c
                            -> driver_attach(), drivers/base/dd.c
                                -> __driver_attach(), drivers/base/dd.c
                                    -> driver_match_device(), 
                                        -> drv->bus->match(), drivers/base/base.h
                                    ->  device_driver_attach(),  drivers/base/dd.c
                                        -> driver_probe_device(), drivers/base/dd.c  
                                            -> really_probe(), drivers/base/dd.c
                                                -> dev->bus->probe(), drivers/base/dd.c
                                                    -> i2c_device_probe(), drivers/i2c/i2c-core-base.c
                                                        -> client->irq = client->init_irq; drivers/i2c/i2c-core-base.c
                                                        -> of_irq_get(), drivers/of/irq.c
                                                            -> of_property_read_u32_index(device, "interrupts",...), drivers/of/irq.c
                                                        -> client->irq = irq; drivers/i2c/i2c-core-base.c
                                                        -> driver->probe(), drivers/i2c/i2c-core-base.c

        #define module_init(initfn) 
               static inline initcall_t __maybe_unused __inittest(void) 
               { return initfn; } 
               int init_module(void) __copy(initfn) __attribute__((alias(#initfn)));

        #define i2c_add_driver(driver) 
            i2c_register_driver(THIS_MODULE, driver)