Messages in this thread | | | Date | Mon, 28 May 2007 15:01:25 +0200 | From | Pavel Machek <> | Subject | Re: [RFC][PATCH -mm 3/3] PM: Disable _request_firmware before hibernation/suspend |
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Hi!
> >From: Rafael J. Wysocki <rjw@sisk.pl> > > > >Use a hibernation and suspend notifier to disable the firmware > >requesting > >mechanism before a hibernation/suspend and enable it after the > >operation. > > > >Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> > > > > drivers/base/firmware_class.c | 36 ++++++++++++++++++++++++++++++ > >++++++ > > 1 file changed, 36 insertions(+) > > I don't like this approach, as I feel that the firmware loading > interface should be able to detect if a firmware load request is not > being handled, due to absence of userspace / hotplug handler presence.
I don't think that's possible. If hotplug handler needs /dev/foo, but /dev/foo is not available, it will just block waiting there. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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