Re: [PATCH] allow i8042 register location override

[Vojtech Pavlik]

On Mon, Sep 06, 2004 at 01:28:30PM -0500, Dmitry Torokhov wrote:
> On Monday 06 September 2004 07:22 am, Vojtech Pavlik wrote:
> > On Fri, Sep 03, 2004 at 09:41:24AM -0600, Bjorn Helgaas wrote:
> > > On Friday 03 September 2004 12:57 am, Dmitry Torokhov wrote:
> > > > What do you think about the patch below? I renamed some function/variable
> > > > names to be more in line with the rest of i8042 code, other than that
> > > > its pretty much your code.
> > > 
> > > That looks great to me, and it works fine on my DL360.
> > > 
> > > My only comment is that in an ideal world, we would not have to
> > > change any drivers if a new architecture started supporting ACPI.
> > > With the current patch, we'd have to twiddle some of the i8042-XXX.h
> > > files a bit.  But I don't think it's worth the trouble of restructuring
> > > them to fix that.
> > > 
> > > Thanks for all your help!
> > 
> > One bug that I could spot immediately is that the patch sets i8042_reset
> > on i386. This doesn't seem intentional, and is quite wrong, too, since
> > on some older machines it confuses the BIOS.
> 
> Nope it does not. It is only on IA64:
> 
> > +#if defined(__ia64__)
> > +        i8042_reset = 1;
> > +#endif
> which is in i8042-x86ia64io.h
> 
> This fragment is in i8042-io.h which is not included in by Intel-originated
> arches anymore.
> 
> > -#if !defined(__i386__) && !defined(__x86_64__)
> >          i8042_reset = 1;
> > -#endif
> 
> Did I miss something?
 
No, sorry, I did. I didn't notice the fact that i8042-io.h is not used
on i386 at all.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
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