Re: Flash Back -- kernel 2.1.111

Vojtech Pavlik
2002-02-24T20:54:57Z

On Sun, Feb 24, 2002 at 02:29:03PM -0600, Troy Benjegerdes wrote:

> On Sun, Feb 24, 2002 at 01:18:33PM +0100, Martin Dalecki wrote:
> > > Ummm, how does this work if I have two PCI ide cards, one on a 66mhz PCI
> > > bus, and one on a 33mhz PCI bus?
> > >
> > > Or am I missing something?
> >
> > You are missing the fact that it didn't work before.
>
> What hardware, chipsets, situations, etc did the previous code not work
> on?
>
> There is no avoiding the fact you need some kind of per-IDE controller
> data for the clock for that particular PCI device.

No. You don't need it. The base clock and multiplier are enough and you
have the multiplier from PCI config.

> I believe there are systems with 33mhz pci and 50mhz pci. Trying to find a
> 'common' base clock just seems to be an excercise in confusion. The only
> thing that really makes sense is 'how fast is said PCI device clocked'.

Show me one.

--
Vojtech Pavlik
SuSE Labs