On Tue, Feb 15, 2022 at 10:11:36PM -0600, Samuel Holland wrote: [ ... ] > > I don't think there is any real issue here. The two irq_desc's being locked are > always different, so there is no deadlock. This recursive irq_set_irq_wake seems > to be a reasonably common pattern in GPIO drivers, and several of them contain > code to silence lockdep. I've sent a patch adding a copy of that to the sunxi > driver: > > https://lore.kernel.org/lkml/20220216040037.22730-1-samuel@xxxxxxxxxxxx/ > > Please see if it works for you. > Yes, it does. The warning is gone with your patch applied on top of linux-next. Thanks, Guenter