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Subject: RE: forcing PS/2 USB emulation off
Date: Thu, 21 Oct 2004 13:47:21 -0700
Message-ID: <5F106036E3D97448B673ED7AA8B2B6B3017FC495@scl-exch2k.phoenix.com>
Thread-Topic: forcing PS/2 USB emulation off
Thread-Index: AcS3Wg8NSJJ2Hs1CQUurUGCb7aZvYwAVN47A
From: "Aleksey Gorelov" <Aleksey_Gorelov@Phoenix.com>
To: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Cc: "Greg KH" <greg@kroah.com>, "Alexandre Oliva" <aoliva@redhat.com>,
       "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       "Vojtech Pavlik" <vojtech@suse.cz>,
       "Dmitry Torokhov" <dtor_core@ameritech.net>
Sender: linux-kernel-owner@vger.kernel.org
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>-----Original Message-----
>From: Alan Cox [mailto:alan@lxorguk.ukuu.org.uk] 
>Sent: Thursday, October 21, 2004 2:35 AM
>To: Aleksey Gorelov
>Cc: Greg KH; Alexandre Oliva; Linux Kernel Mailing List; 
>Vojtech Pavlik; Dmitry Torokhov
>Subject: RE: forcing PS/2 USB emulation off
>
>On Iau, 2004-10-21 at 00:22, Aleksey Gorelov wrote:
>> Isn't this interrupt disabled at that point, and status are cleared
>> right
>> after handoff ? Have you actually been able to see a problem 
>with such 
>> an interrupt with this patch applied ?
>
>I've seen one Nvidia case where flipping the USB over caused an
>immediate IRQ on that line.
>

I expect it to be disabled at controller level at the time patch works.
Probably, something enabled it before quirk in Nvidia case...

Aleks.
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