Re: [linux-usb-devel] 2.6.20-rc4: usb somehow broken

From: Oliver Neukum
Date: Mon Jan 15 2007 - 06:10:45 EST


Am Sonntag, 14. Januar 2007 20:47 schrieb icxcnika@xxxxxxxxxx:
> > Can anyone suggest another approach?
> >
> > Alan Stern
>
> Just a thought, you could use both a blacklist approach, and a module
> paramater, or something in sysfs, to allow specifying devices that won't
> be suspend and resume compatible.

Upon further thought, a module parameter won't do as the problem
will arise without a driver loaded. A sysfs parameter turns the whole
affair into a race condition. Will you set the guard parameter before the
autosuspend logic strikes?
Unfortunately this leaves only the least attractive solution.

Regards
Oliver
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