linux-kernel - Re: can we move USB_DEVICEFS to non-embedded?

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Message-ID: <20090708140419.GA20418@suse.de>
Date:	Wed, 8 Jul 2009 07:04:19 -0700
From:	Greg KH <gregkh@...e.de>
To:	Peter Jones <pjones@...hat.com>
Cc:	Dave Airlie <airlied@...il.com>,
	Jeff Chua <jeff.chua.linux@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Scott James Remnant <scott@...onical.com>,
	Kay Sievers <kay.sievers@...y.org>,
	Dave Jones <davej@...hat.com>
Subject: Re: can we move USB_DEVICEFS to non-embedded?

On Wed, Jul 08, 2009 at 09:55:04AM -0400, Peter Jones wrote:
> On 07/08/2009 09:52 AM, Peter Jones wrote:
> > On 07/08/2009 06:54 AM, Dave Airlie wrote:
> > 
> >> I'm not quite sure if something in the F11 initrd needs usbfs for
> >> something (cc'ed Peter)
> > 
> > Not a thing.
> 
> Actually, I take it back.  We do mount usbfs, and we examine
> /proc/bus/usb/devices as a heuristic to try and determine if
> all the devices have been enumerated.

How can you ever know if all devices are enumerated as you don't know
how many devices will be showing up?

> So that could be related to what you're seeing.

That file is now available in /sys/kernel/debug/usb/devices if you
really need it.

But I would think that you do not.

thanks,

greg k-h
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