Building with the attached random configuration file,
drivers/built-in.o: In function `dmi_check_onboard_devices':
i2c-i801.c:(.text+0x126b36): undefined reference to `i2c_new_device'
drivers/built-in.o: In function `i801_remove':
i2c-i801.c:(.text+0x126b86): undefined reference to `i2c_del_adapter'
drivers/built-in.o: In function `i801_probe':
i2c-i801.c:(.text+0x127d08): undefined reference to `i2c_add_adapter'
i2c-i801.c:(.text+0x127d6e): undefined reference to `i2c_new_device'
--
Jim