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SubjectRe: [RFC/RFT] Remove polling timer from i8042
On 7/27/06, Vojtech Pavlik <> wrote:
> On Thu, Jul 27, 2006 at 12:29:04AM -0400, Dmitry Torokhov wrote:
> > Hi,
> >
> > OK, I had it in works for quite some time and Dave's talk in Ottawa
> > made me finish it ;)
> Good work.
> However I believe you need to test the AUX IRQ in this case before you
> use it, otherwise you'll have a lot of people with non-working keyboards
> (the input queue is shared), and probably also non-working PCI cards
> (BIOSes like to assign IRQ12 to PCI if no mouse is detected by the
> BIOS).

What do you mean by testing AUX IRQ? Use I8042_CMD_AUX_LOOP to see if
interrupt fires off? The new code releases IRQ if it can't find a
working AUX port...

> You'll see whether this test is necessary if a lot of people report
> problems without i8042.noaux.
> That can only be seen after extensive testing on a lot of machines,
> though. Fortunately 386's and 486's are more or less extinct now, and
> with them a lot of the weirder keyboard controllers.

I think I will forward the patch to Andrew and we will see how bad it
is. It works on couple of boxes here but I don't have a lot of
hardware to test on...

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