Re: [patch] VIA 4.2x driver for 2.2 kernels

[Vojtech Pavlik]

On Wed, Feb 21, 2001 at 11:05:33AM -0300, Rogerio Brito wrote:
> On Feb 21 2001, Vojtech Pavlik wrote:
> > On Tue, Feb 20, 2001 at 11:15:02PM -0800, Shane Wegner wrote:
> > > Ok, can I still use -u1 -k1 -c1 on the drives or is it even
> > > necessary anymore.
> > 
> > If you enable automatic DMA in the kernel config, it isn't necessary
> > at all. The VIA driver sets up everything.
> 
> 	Ok. Please disregard my last message (this one contains
> 	exactly what I was looking for).
> 
> > 4) But VIA is still set to PIO mode
> 
> 	Why does this happen?
> 
> 	And what about the other options to hdparm (-u1 -k1 -c1)? Are
> 	they potentially dangerous also?

Well, I checked today and my fears were *not* confirmed. Actually the
VIA driver will set up the chipset for UDMA even when UDMA won't be
later used, so it's all OK.

-- 
Vojtech Pavlik
SuSE Labs