From: Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
To: linux-hotplug@vger.kernel.org
Subject: Re: device model documentation 2/3
Date: Wed, 05 Jun 2002 21:52:33 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-102331599811728@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-102338823505348@msgid-missing>
> IIRC, USB device state won't be saved across power transitions. It will
> look like a "disconnect", and "reconnect" on resume. (Forgive me if that's
> not the right USB terminology; I'm just guessing). In that case, when the
> controller gets the SUSPEND_DISABLE call, it can shutdown all the
> devices, and you're done. Right?
IIRC some USB devices can do power saving. At least the pwc module
has a module parameter to that effect.
Regards
Oliver
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next prev parent reply other threads:[~2002-06-05 21:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-02 4:49 device model documentation 2/3 Pavel Machek
2002-06-05 12:41 ` Oliver Neukum
2002-06-05 12:51 ` Oliver Neukum
2002-06-05 19:04 ` Patrick Mochel
2002-06-05 19:11 ` Patrick Mochel
2002-06-05 21:52 ` Oliver Neukum [this message]
2002-06-05 21:54 ` Oliver Neukum
-- strict thread matches above, loose matches on Subject: below --
2002-06-04 16:25 Patrick Mochel
2002-06-02 2:00 ` Pavel Machek
2002-06-04 15:50 ` Martin Dalecki
2002-06-04 17:49 ` Greg KH
2002-06-05 12:51 ` Oliver Neukum
2002-06-05 19:11 ` Patrick Mochel
2002-06-02 4:49 ` Pavel Machek
2002-06-05 21:54 ` Oliver Neukum
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