i2c驱动架构简析(mini2440&at2408)

                /********    i2c-s3c2410.c ********/
platform_driver_register(&s3c24xx_i2c_driver);
    .id_table = s3c24xx_driver_ids, ----> .name          = "s3c2410-i2c", <-------
        .probe     = s3c24xx_i2c_probe, ----> i2c_add_numbered_adapter(&i2c->adap)
                  |
                 | i2c-core.c
                     V
     i2c_register_adapter(adap) ---> i2c_scan_static_board_info(adap) --->
        list_for_each_entry(devinfo, &__i2c_board_list, list)
        i2c_new_device(adapter,&devinfo->board_info) ---> device_register(&client->dev)


             /********    mach-mini2440.c ********/
s3c_i2c0_set_platdata(NULL);
    s3c_device_i2c0.dev.platform_data = npd;
    npd->cfg_gpio = s3c_i2c0_cfg_gpio; --->
            s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA);
            s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL);


i2c_register_board_info(0,i2c_devs,ARRAY_SIZE(i2c_devs));---> list_add_tail(&devinfo->list
                                                     , &__i2c_board_list); --*-->i2c-core.c
    static struct i2c_board_info i2c_devs[ ] __initdata = {                          |
        { I2C_BOARD_INFO("24c08", 0x50), }, <------                                       V
    };                                                         device_register(&client->dev)


platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices))
    platform_device_register(devs[i])
        &s3c_device_i2c0,
         | dev-i2c0.c
                 V
        .name         = "s3c2410-i2c", <-------

                /************* at24.c ************/
i2c_add_driver(&at24_driver); ---> i2c_register_driver(THIS_MODULE, driver);
    static struct i2c_driver at24_driver = {
        .probe = at24_probe,
        .id_table = at24_ids, ---> { "24c08", AT24_DEVICE_MAGIC(8192 / 8, 0) }, <------
    };