bus_find_device_by_acpi_dev
dev = bus_find_device_by_acpi_dev(&platform_bus_type, adev);
KUNIT_EXPECT_PTR_EQ(test, bus_find_device_by_acpi_dev(&platform_bus_type, NULL), NULL);
csi_dev = bus_find_device_by_acpi_dev(&i2c_bus_type, adev);
return bus_find_device_by_acpi_dev(&platform_bus_type, adev);
dev = bus_find_device_by_acpi_dev(&spi_bus_type, adev);