On Fri, May 24, 2002 at 01:03:26PM +0200, Martin Dalecki wrote:
> Użytkownik Vojtech Pavlik napisał:
>
> >
> >>Hmm thinking again about it... It occurrs to me
> >>that actually there should be a mechanism which tells the
> >>host chip drivers whatever there are only just one or
> >>two drivers connected. I will have to look in to it.
> >
> >
> > There is no such mechanism (except for probing the drives). IDE has
> > quite nonsensical "split" termination - the termination resistors are
> > always present even on the middle device. This is to "simplify" things
> > ...
> >
>
> Yes there is the host chip timer setting is basically
> changing the termination properties on the hsot chips part
> of the connection. This is the reason I was thinking
> that making the driver for it know how many drivers
> are attached to it could make some sense.
Hmm, interesting. Is it on all chips or just some? I don't know about
anything like that on Intel, VIA, nVidia, AMD, SiS and Artop controllers ...
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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