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Subject: Re: Totally broken PCI PM calls
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Brownell <david-b@pacbell.net>
Cc: Pavel Machek <pavel@ucw.cz>, ncunningham@linuxmail.org,
       Paul Mackerras <paulus@samba.org>, Linus Torvalds <torvalds@osdl.org>,
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On Wed, 2004-10-13 at 04:52, David Brownell wrote:

> Drivers that don't reset the controller in resume()
> will need special handling for those BIOS cases.
> That means USB HCDs, and maybe not a lot else
> yet in Linux.

Usually, at least for OHCI, you can read the controller
status and know if it got reset or is still in suspend state,
at least that how we did so far (and how apple does as well
afaik) and seems to work. I don't know about EHCI.

Ben.