On Fri, Apr 24, 2020 at 02:54:06PM +0800, Shengjiu Wang wrote: > Remove tasklet for it may cause the reset operation > can't be handled immediately, then there will be > endless xrun interrupt. The reset routine is really long and expensive, so not sure if it'd be good to do it completely inside HW ISR. Have you tried to clear xEIE bits to disable xrun interrupts, before scheduling the tasklet? If that does not solve the problem, we may go for this change.
