From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Wed, 01 Jul 2009 22:52:07 +0000
Subject: Re: [PATCH] Explicitly disable BT radio using rfkill interface on
Message-Id: <20090701225207.GA27118@srcf.ucam.org>
List-Id: <linux-hotplug.vger.kernel.org>
References: <4A4A8B6D.3060509@dell.com>
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To: linux-hotplug@vger.kernel.org

On Wed, Jul 01, 2009 at 05:23:44PM -0500, Mario Limonciello wrote:

> At boot, the top level device exposes two virtual HID devices.  A
> userspace utility prods one of the HID devices and then the top level
> device exposes an HCI device.  Upon S3/resume, a reset-resume happens,
> and the HCI device is gone.  The system thinks that they are in the same
> state after S3 (with the exception of the missing HCI device) so a UDEV
> ADD or CHANGE event doesn't happen.

Well, since the state has changed, that sounds like a shortcoming in the 
USB stack.

-- 
Matthew Garrett | mjg59@srcf.ucam.org