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Date:	Sun, 1 Jan 2012 13:28:41 +0100
From:	Oliver Neukum <>
To:	Marek Vasut <>
Cc:	Linus Torvalds <>,
	Dave Jones <>,
	Linux Kernel <>,
	Larry Finger <>,
	Chaoming Li <>,
	"John W. Linville" <>,
	Matthew Garrett <>,
	"Greg Kroah-Hartman" <>,
	USB list <>,
	Linux Wireless List <>
Subject: Re: loading firmware while usermodehelper disabled.

Am Sonntag, 1. Januar 2012, 10:54:47 schrieb Marek Vasut:
> > Am Samstag, 31. Dezember 2011, 19:39:18 schrieb Marek Vasut:
> > > maybe we should implement such thing into the firmware loader itself?
> > > Allow it -- for example via some node in /dev -- to force loading
> > > firmware into some buffer in kernel just before suspend so it'll
> > > certainly be readily available at resume time?
> > 
> > This is difficult. We don't know at suspend time which firmware we will
> > need at resume time.
> That's not actually true ... you can ask the drivers if they need to load 
> firmware after resume ... that can be implemented and udev can handle it. The 
> driver should know if the hardware it's controlling is stupid or not.

Device IDs can morph due to a power loss. After resumption another driver
would bind.

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