From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1MRTKG-0007oE-RR for mharc-grub-devel@gnu.org; Thu, 16 Jul 2009 11:56:52 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MRTKF-0007np-1S for grub-devel@gnu.org; Thu, 16 Jul 2009 11:56:51 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MRTKA-0007iT-BD for grub-devel@gnu.org; Thu, 16 Jul 2009 11:56:50 -0400 Received: from [199.232.76.173] (port=49908 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MRTKA-0007iF-8D for grub-devel@gnu.org; Thu, 16 Jul 2009 11:56:46 -0400 Received: from aybabtu.com ([69.60.117.155]:40809) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MRTK7-0001PR-Q2 for grub-devel@gnu.org; Thu, 16 Jul 2009 11:56:44 -0400 Received: from [192.168.10.10] (helo=thorin) by aybabtu.com with esmtp (Exim 4.69) (envelope-from ) id 1MRSEr-0003ZL-Vf for grub-devel@gnu.org; Thu, 16 Jul 2009 16:47:16 +0200 Received: from rmh by thorin with local (Exim 4.69) (envelope-from ) id 1MRTJv-0001rF-Lw for grub-devel@gnu.org; Thu, 16 Jul 2009 17:56:31 +0200 Date: Thu, 16 Jul 2009 17:56:31 +0200 From: Robert Millan To: The development of GRUB 2 Message-ID: <20090716155631.GE6771@thorin> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: free as in freedom X-Message-Flag: Worried about Outlook viruses? Switch to Thunderbird! www.mozilla.com/thunderbird X-Debbugs-No-Ack: true User-Agent: Mutt/1.5.18 (2008-05-17) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 1) Subject: Re: [PATCH] reset USB controller X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GRUB 2 List-Id: The development of GRUB 2 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Jul 2009 15:56:51 -0000 On Wed, Jul 15, 2009 at 10:51:55PM +0200, Vladimir 'phcoder' Serbinenko 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 Is there some way we can make this simpler without compromising on boot speed? Adding more setup burden to the user should be the last ressort IMO. -- Robert Millan The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and how) you may access your data; but nobody's threatening your freedom: we still allow you to remove your data and not access it at all."