On Wed, Mar 03, 2021 at 02:11:22PM +0100, Marc Kleine-Budde wrote: > > I see, thanks. Forgive my ignorance, but how long should a threaded ISR > > reasonably block for? > > It's a IRQ thread, so it's subject to scheduling and priorities can be > configured. The IRQ thread of the mcp251xfd driver runs until all IRQs > are handled. > > > Was there ever a good reason for the quota to be 1 here? > > Don't know. OK, thanks for the insight. I'll discard this patch and rework the peripheral interrupt handling logic. -- Regards, Torin Cooper-Bennun Software Engineer | maxiluxsystems.com