Date: Sat, 11 Jul 2009 10:43:05 -0700
From: Greg KH <greg@kroah.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.31-rc0-git: lsusb stopped working?
Message-ID: <20090711174305.GA5542@kroah.com>
References: <20090623135529.GA2668@elf.ucw.cz>
 <20090623150114.GA30413@kroah.com>
 <20090711091039.GE16955@elf.ucw.cz>
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On Sat, Jul 11, 2009 at 11:10:39AM +0200, Pavel Machek wrote:
> On Tue 2009-06-23 08:01:14, Greg KH wrote:
> > On Tue, Jun 23, 2009 at 03:55:29PM +0200, Pavel Machek wrote:
> > > 
> > > On thinkpad x60. Otherwise usb seems to work, including btusb dongle.
> > > 
> > > /proc/bus/usb does not seem to exists.
> > 
> > Newer (as in the past 2 years) versions of lsusb should not need
> > /proc/bus/usb/
> > 
> > What version of usbutils are you using?
> 
> root@amd:/home/pavel# lsusb --version
> lsusb (usbutils) 0.73
> root@amd:/home/pavel# 
> 
> I may have done something stupid with not runing udev and linking
> /proc/bus/usb to /dev, instead...

the opensuse FACTORY tree now has a more modern version of usbutils in
it, which works just fine without usbfs mounted.

> But it is not only usbutils that is broken, I first noticed breakage
> on android fastboot.

Android needs it?  That's crazy, given that they don't have any usb host
controllers in their devices.  Very wierd...
Android is also an embedded device, so you should be able to select the
option already on their builds, right?

Anyway, this change is going to be reverted, it is already queued up to
go to Linus early next week.  Just need to test some other pending
patches as well.

thanks,

greg k-h
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