On 13.07.2023 15:36, Oleksii wrote: > On Thu, 2023-07-13 at 15:27 +0200, Jan Beulich wrote: >> I don't understand. My earlier comment was affecting all checks of >> uart->irq alike, as I'm unconvinced IRQ0 may not possibly be usable >> on some architecture / platform. IOW I don't see why the check in >> ns16550_init_postirq() would allow us any leeway. > It looks like I misunderstood you. > > Do you mean that on some architecture IRQ0 may be used for ns16550?
Yes, I don't see why this shouldn't be possible in principle. As Julien said it can't happen on Arm, so if it also can't happen on RISC-V and PPC, we could elect to continue to ignore that aspect. Jan
