From mboxrd@z Thu Jan  1 00:00:00 1970
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: [regression] USB power management failure to suspend / high CPU usage
From: Ivan Mironov <mironov.ivan@gmail.com>
Message-Id: <c5e3b6a3b273fefbe662b784f59abcdf32ecb518.camel@gmail.com>
Date: Tue, 26 Feb 2019 03:11:03 +0500
To: Mathias Nyman <mathias.nyman@linux.intel.com>, Eric Blau <eblau@eblau.com>
Cc: Alan Stern <stern@rowland.harvard.edu>, linux-usb@vger.kernel.org
List-ID: <linux-usb.vger.kernel.org>
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