Re: amiserial.c in 2.3

[Geert U. <ge...@li...>]

On Tue, 20 Jun 2000, Jouko Pynnonen wrote:
> On Tue, 20 Jun 2000, Roman Zippel wrote:
> > > must still be something weird with the interrupt system. I get a lot of
> > > overruns even at 4800 bps.
> > 
> > With or without disk activities? Did you try hdparm?
> 
> Didn't try hdparm but killed the update process and there hasn't been any
> big activity while I've been trying it. And it's not just some random
> overruns now and then, it's more like constant overruns most of the time.
> For instance when using 'cu' at 9600 bps and typing "AT", it can't often
> even reply "OK" without trouble. For the same reason pppd often fails even
> before dialing.
> 
> Btw I've seen there are mb() calls after reading or writing to custom
> registers but there aren't any after r/w to cia registers... could this be
> a problem?

Yes, especially if you use CTS/RTS handshaking.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds