Re: [PATCH 2.6.11-rc3] IBM Trackpoint support

From: Dmitry Torokhov
Date: Fri Feb 04 2005 - 09:17:04 EST


On Fri, 4 Feb 2005 14:45:28 +0100, Vojtech Pavlik <vojtech@xxxxxxx> wrote:
> On Fri, Feb 04, 2005 at 08:17:43AM -0500, Stephen Evanchik wrote:
> > On Fri, 4 Feb 2005 07:35:20 +0100, Vojtech Pavlik <vojtech@xxxxxxx> wrote:
> > > Indeed. IIRC this patch killed wheel mouse detection in ubuntu.
> >
> > Earlier versions of the patch didn't disable the device while probing
> > so events could be interpreted as the magic ID of a TrackPoint. It now
> > resets and disables the PS/2 device before detection but not after a
> > detect failure.
>
> Since we fixed libps2, this shouldn't happen anymore, as long as the
> BIOS doesn't inject an endless stream of data from an USB mouse.
>

I don't think changes in libps2 affect this problem in any way -
psmouse does PSMOUSE_CMD_RESET_DIS before trying to do any protocol
probing so there should be no events from the mouse during detection
phase.

--
Dmitry
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