Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 16 Oct 2009 08:09:22 +0300
From:      Andriy Gapon <avg@freebsd.org>
To:        src-committers@freebsd.org
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org
Subject:   Re: svn commit: r198151 - in head/sys/dev: pci usb/controller
Message-ID:  <4AD80002.6000704@freebsd.org>
In-Reply-To: <200910152007.n9FK78cG083259@svn.freebsd.org>
References:  <200910152007.n9FK78cG083259@svn.freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
on 15/10/2009 23:07 Andrew Thompson said the following:
> Author: thompsa
> Date: Thu Oct 15 20:07:08 2009
> New Revision: 198151
> URL: http://svn.freebsd.org/changeset/base/198151
> 
> Log:
>   Workaround buggy BIOS code in USB regard. By doing the BIOS to OS handover for
>   all host controllers at the same time, we avoid problems where the BIOS will
>   actually write to the USB registers of all the USB host controllers every time
>   we handover one of them, and consequently reset the OS programmed values.

This should fix the boot-time problems with AMD SB600/SB7xx controllers.
Many thanks to Hans for a lot of help.

-- 
Andriy Gapon



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4AD80002.6000704>