Re: [PATCH v6 1/2] ns16550: use poll mode if INTERRUPT_LINE is 0xff

2022-05-20 Thread Marek Marczykowski-Górecki
On Fri, May 20, 2022 at 11:47:02AM +0200, Jan Beulich wrote: > On 20.05.2022 10:53, Marek Marczykowski-Górecki wrote: > > Intel LPSS has INTERRUPT_LINE set to 0xff by default, that is declared > > by the PCI Local Bus Specification Revision 3.0 (from 2004) as > > "unknown"/"no connection". Fallback

Re: [PATCH v6 1/2] ns16550: use poll mode if INTERRUPT_LINE is 0xff

2022-05-20 Thread Jan Beulich
On 20.05.2022 10:53, Marek Marczykowski-Górecki wrote: > Intel LPSS has INTERRUPT_LINE set to 0xff by default, that is declared > by the PCI Local Bus Specification Revision 3.0 (from 2004) as > "unknown"/"no connection". Fallback to poll mode in this case. > The 0xff handling is x86-specific, the