Re: Intel D2500CC motherboard and strange RS232/UART behavior

From: Adrian Chadd <adrian_at_freebsd.org>
Date: Sun, 7 Apr 2013 10:42:32 -0700
On 7 April 2013 10:35, Poul-Henning Kamp <phk_at_phk.freebsd.dk> wrote:
>
> I think if you configure no irq at all, it will automatically
> go to polled mode.
>
> Not sure if uart(4) can actually do that, sio(4) could.

Yup, it does. No IRQ hint == polled mode. It'll say as much in the dmesg.



Adrian
Received on Sun Apr 07 2013 - 15:42:35 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:36 UTC