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From: Greg KH <greg@kroah.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Kay Sievers <kay.sievers@vrfy.org>,
	linux-usb@vger.kernel.org
Subject: Re: [PATCH mm] sysfs: add /sys/dev/usb to handle CONFIG_USB_DEVICE_CLASS=y
Date: Thu, 17 Apr 2008 20:00:55 -0700	[thread overview]
Message-ID: <20080418030055.GA3429@kroah.com> (raw)
In-Reply-To: <1208484663.12570.5.camel@dwillia2-linux.ch.intel.com>

On Thu, Apr 17, 2008 at 07:11:03PM -0700, Dan Williams wrote:
> The deprecated config option CONFIG_USB_DEVICE_CLASS causes class devices
> with duplicate major:minor numbers to be registered.  In effect they
> represent a usb specific address space for major:minor numbers so add 'usb'
> as a directory along side 'block' and 'char'.
> 
> Cc: Kay Sievers <kay.sievers@vrfy.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> ---
> This boots up without warning on my dev system.  We end up with the
> following situation:

This patch is not going to work if usbcore is a module :(

thanks,

greg k-h

  reply	other threads:[~2008-04-18  3:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-18  2:11 [PATCH mm] sysfs: add /sys/dev/usb to handle CONFIG_USB_DEVICE_CLASS=y Dan Williams
2008-04-18  3:00 ` Greg KH [this message]
2008-04-18  3:08 ` Andrew Morton
2008-04-18  3:44   ` Dan Williams
2008-04-18  3:21 ` Greg KH
2008-04-18  4:59   ` Dan Williams
2008-04-18  7:54     ` Kay Sievers
2008-04-18 16:37       ` Dan Williams

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