On Mon, 23 Jul 2007 13:05:22 -0400 Chris Lalancette <[email protected]> wrote:
> (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.
That's an unfortunate fix. Is there really no way in which we
can auto-detect such a situation without requiring a manual
setting?
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