[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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: http://repo.or.cz/w/grub2/phcoder.git
>
--
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git
usbreset.diff
Description: Text document