Laurent, On Wed, Nov 25 2020 at 12:16, Laurent Vivier wrote: The proper subsystem prefix is: 'genirq/irqdomain:' and the first letter after the colon wants to be uppercase. > This function adds an affinity parameter to irq_create_mapping(). > This parameter is needed to pass it to irq_domain_alloc_descs(). A changelog has to explain the WHY. 'The parameter is needed' is not really useful information. Thanks, tglx