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From: Martin Bammer <mrbm74@gmail.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: usb/host/pci-quirks: Add option for setting handoff timeout for ehci
Date: Fri, 06 Mar 2009 20:26:45 +0100	[thread overview]
Message-ID: <1236367605.16732.47.camel@localhost> (raw)
In-Reply-To: <20090306175036.GC3099@kroah.com>

Yes right. It fails faster, because the bios doesn't handoff the device.
But it's no help for the user that he always has to wait 8s because of a
buggy bios. Although the handoff fails the usb-controller works without
any problems.

> > When having a buggy BIOS which doesn't do ehci handoff correctly a 8s
> > boot delay is the result. This patch adds a kernel command line
> > parameter ehci_ho_to to be able to set an arbitrary timeout. On my
> > netbook I've set it to 50 which works without any problems. Maybe the
> > patch would be interesting for others?
> 
> I don't see how this makes anything go faster, you are just changing the
> timeout value, which should only make things fail faster, not succeed
> faster :)
> 
> thanks,
> 
> greg k-h


  reply	other threads:[~2009-03-06 19:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-06 11:52 usb/host/pci-quirks: Add option for setting handoff timeout for ehci Martin Bammer
2009-03-06 17:50 ` Greg KH
2009-03-06 19:26   ` Martin Bammer [this message]
2009-03-07  2:22     ` Greg KH

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