On Mon, Sep 02, 2019 at 03:19:11PM +0800, kbuild test robot wrote: > drivers/acpi/acpi_platform.c: In function 'acpi_platform_device_find_by_adev': > >> drivers/acpi/acpi_platform.c:38:8: error: implicit declaration of function 'bus_find_device_by_acpi_dev'; did you mean 'bus_find_device_by_name'? [-Werror=implicit-function-declaration] Same false positive. -- With Best Regards, Andy Shevchenko