linux-kernel - Re: 3.5-rcX: USB support without udev?

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Date:	Fri, 29 Jun 2012 23:35:19 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Bob Tracy <rct@...rkin.frus.com>
Cc:	Ming Lei <tom.leiming@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: 3.5-rcX: USB support without udev?

On Thu, Jun 28, 2012 at 10:36:00PM -0500, Bob Tracy wrote:
> On Thu, Jun 28, 2012 at 09:39:45PM +0800, Ming Lei wrote:
> > On Thu, Jun 28, 2012 at 9:16 PM, Bob Tracy <rct@...rkin.frus.com> wrote:
> > > With the removal of the deprecated usbfs feature in the 3.5 release
> > > candidates, is there a way of getting USB devices working on a non-
> > > embedded Linux system without udev (static "/dev")?
> > 
> > Please try to enable below options:
> > 
> > CONFIG_DEVTMPFS=y
> > CONFIG_DEVTMPFS_MOUNT=y
> > 
> > and you need not the static dev nodes with devtmpfs.
> 
> It was worth a try, but it didn't help in my situation.

Why not?  What is using usbfs device nodes that can not find them in
/dev/bus/usb/ that devtmpfs creates?

thanks,

greg k-h
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