On Tue, Dec 01 2020 at 15:22, John Garry wrote: > /* > * There are certain limitations on when it may be used - attempts to > use it for when the kernel is configured for generic IRQ reservation > mode (in config GENERIC_IRQ_RESERVATION_MODE) will fail, as it may > conflict with managed/non-managed interrupt accounting. In addition, > attempts to use it on an interrupt which is already started or which has > already been configured as managed will also fail, as these mean invalid > init state or double init. > > ... > > Let me know if not good, if not I'll post again soon. LGTM