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Re: [PATCH] reset USB controller

From: Vladimir 'phcoder' Serbinenko
Subject: Re: [PATCH] reset USB controller
Date: Wed, 15 Jul 2009 22:53:03 +0200

On Wed, Jul 15, 2009 at 10:51 PM, Vladimir 'phcoder'
Serbinenko<address@hidden> wrote:
> Hello, some BIOSes don't conform semaphore specification about handing
> over the control on UHCI and/or EHCI controller. Most OS cope with it
> by taking ownership regardless after some timeout. This however
> increases booting time. Also some OSes don't cope with this quirk
> correctly and are unable to access some devices. Here is a module to
> forcibly remove BIOS ownership without timeout. It adds 2 commands:
> ehcireste and uhcireset. I choose to name both functions analogously
> even if actually only UHCI is really reset
> --
> Regards
> Vladimir 'phcoder' Serbinenko
> Personal git repository:

Vladimir 'phcoder' Serbinenko

Personal git repository:

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