On Mon, Jul 25, 2016 at 07:36:15PM +0200, Max Staudt wrote: > Some serial ports may not emit IRQs properly, or there may be a defect > in their routing on the motherboard. > > This patch allows these ports to be used anyway (or until a better > workaround is known for a specific platform), though with no guarantees. > > If you have such a buggy UART, boot Linux with 8250.force_polling=1 .
Ick, don't add new module parameters if at all possible. > It is essentially the kernel level version of: > > setserial /dev/ttySn irq 0 Why can't you just do this instead? thanks, greg k-h
