Intel D2500CC motherboard and strange RS232/UART behavior
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun Apr 7 17:35:16 UTC 2013
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.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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