On Wednesday 06 October 2021 00:45:31 Marek Behún wrote: > PS: Btw, looking at the code, why do we use these PCIBIOS_* macros? And > then sometimes convert them to error codes with pcibios_err_to_errno()? > Is this some legacy thing? Should this be converted to errno? Hello! I would like to remind this Marek's PS. Do you know why config read and write functions return these PCIBIOS_* macros and not standard linux errno codes?