On Tue, Dec 15, 2020 at 09:07:47PM +0100, Christophe JAILLET wrote: > +++ b/kernel/irq/irqdomain.c > @@ -858,6 +858,15 @@ unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec) > } > EXPORT_SYMBOL_GPL(irq_create_fwspec_mapping) > +/** > + * irq_create_of_mapping() - Map an interrupt > + * @irq_data: structure of_phandle_args returned by a previous > + * of_irq_parse_xxx() call Start with upper case and use periods. Also next line should align. > + * > + * The resources allocated by this function should be freed by > + * calling irq_dispose_mapping() when the mapping if not useful > + * anymore. > + */ Maybe "mapping is not" or "if the mappign is not". There could be lot better wording formatting also but everyone would still understand. So it is ok.