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Date:	Mon, 23 Jul 2007 13:05:22 -0400
From:	Chris Lalancette <clalance@...hat.com>
To:	linux-kernel@...r.kernel.org
CC:	dmitry.torokhov@...il.com, linux-input@...ey.karlin.mff.cuni.cz
Subject: [PATCH]: Add command-line option to i8042 to completely disable it

(I tried to send this patch to linux-input@, but it seems to be currently having
some problems, so I'm going directly to LKML).

Certain (broken) pieces of South Bridge hardware will respond to
i8042_read_status() on boot with 0x0, despite there not being a real i8042
controller hooked up in the south bridge.  This can cause the detection for the
i8042 to return a "phantom" device, which hangs up later initialization.  Note
that using "i8042.nokbd" and/or "i8042.noaux" do not help with this, since this
shows up during i8042_controller_check() (before either of those options are
checked).  This patch adds a command-line option "i8042.disable", which just
completely disables any checking for the i8042 controller.

Signed-off-by: Chris Lalancette <clalance@...hat.com>




View attachment "linux-2.6-i8042-serio-disable.patch" of type "text/x-patch" (874 bytes)

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