Moore, Robert wrote: > The acpi_evaluate_object_typed interface automatically handles the two error cases you check for: > > 1) Checks for the case where no object is returned > 2) Checks for the correct return object type (buffer in this case) > > Use of this interface would simplify and shrink the code. > Sounds good to me, but I have a question. The acpi_evaluate_object_typed() function seems to be compiled only when ACPI_FUTURE_USAGE is defined. And it seems that there is no prototype declaration. I don't know about ACPI_FUTURE_USAGE at all. Could you please tell me what I should do to use acpi_evaluate_object_typed()? Thanks, Kenji Kaneshige -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html