From: Erik Slagter <erik-KW7PGP3XNp7a5EbDDlwbIw@public.gmane.org>
To: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
Cc: Carl-Daniel Hailfinger
<c-d.hailfinger.devel.2005-hi6Y0CQ0nG0@public.gmane.org>,
acpi-devel
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
USB development list
<linux-usb-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3
Date: Thu, 18 Aug 2005 11:34:27 +0200 [thread overview]
Message-ID: <1124357667.12771.2.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0508161148570.18302-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
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On Tue, 2005-08-16 at 11:52 -0400, Alan Stern wrote:
> > > The uhci-hcd driver _does_ restore the config space for its devices
> > > properly.
> >
> > Apparently something is sort of wrong though, because I need to rmmod
> > uhci_hcd and hci_usb before suspending, otherwise nasty things happen.
>
> Can you be more specific? Start with the kernel version you're using.
> What happens if you rmmod hci_usb and leave uhci_hcd alone? What shows up
> in dmesg? What shows up if you set CONFIG_USB_DEBUG?
Hmm, it DOES seem to work with UHCI_HCD (in other words, it works if I
only have USB1.1 devices connected).
Then probably I've had problems with USB2.0 devices connected, so maybe
the EHCI_HCD driver is not suspend-safe? I will try that when at home.
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next prev parent reply other threads:[~2005-08-18 9:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-16 12:43 PCI quirks not handled and config space differences on resume from S3 Carl-Daniel Hailfinger
2005-08-16 15:37 ` [linux-usb-devel] " Alan Stern
2005-08-16 15:42 ` Erik Slagter
[not found] ` <1124206957.19419.12.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-08-16 15:52 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0508161148570.18302-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2005-08-18 9:34 ` Erik Slagter [this message]
2005-08-19 8:18 ` Erik Slagter
2005-08-16 15:44 ` Carl-Daniel Hailfinger
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