On 7/26/2021 10:57 PM, Bing Fan wrote: > hello, > > Thanks very much for analysis. And i have get the cause of the problem. > > I will add pl011_allocate_multi_irqs/pl011_release_multi_irqs functions for amba drivers, > > and call them in pl011_startup/pl011_shutdown respectively. > > > Reserved pl011_allocate_irq/pl011_release_irq functions for platform drivers. > > Please help to confirm, is this ok? Bing, are you still working on this? It is getting annoying that this commit will also cause the whole serial console useless and the system unable to login. I am happy to help if needed.