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: Fwd: Enabling USB (auto)suspend for xHCI controllers incurs random device failures since kernel 4.15
From: russianneuromancer@ya.ru
Message-Id: <fb8a018d1bd111357788e2fa07c23b080227db5d.camel@ya.ru>
Date: Tue, 15 May 2018 02:06:37 +0800
To: Mathias Nyman <mathias.nyman@linux.intel.com>, gert <gert@disroot.org>, linux-usb@vger.kernel.org
List-ID: <linux-usb.vger.kernel.org>
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