Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip

[Andrey Borzenkov]

On Wednesday 06 June 2007, Bjorn Helgaas wrote:
> On Tuesday 05 June 2007 09:29:11 pm Andrey Borzenkov wrote:
> > On Wednesday 06 June 2007, Bjorn Helgaas wrote:
> > > Something's wrong with this strategy.  The BIOS is telling us that an
> > > SMCf010 device is present, active, and responds at io ports 0x100-0x107
> > > and 0x2e8-0x2ef.  The fact that it happens to be on the other side of
> > > an ISA or LPC bridge should be immaterial to the OS driver.
> >
> > I thought this as well.
>
> If this is really true, it also means we shouldn't twiddle with the
> bridge.  If the BIOS left us a working setup, the preconfiguration
> is certainly going to change it to something incompatible with the
> PNP info.
>
> What if we try the following patch, which keeps the FIR/SIR swap and
> just removes the preconfiguration?
>

I already tried different patch but with similar effect (switch off 
preconfiguration) - it does not work. I am beginning to doubt whether drier 
works on my system at all (i.e. before PnP change); have to find time to 
test.

-andrey

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