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: [2/5] USB: serial: cp210x: honour device-type maximum line speed
From: Johan Hovold <johan@kernel.org>
Message-Id: <20180718122501.14926-3-johan@kernel.org>
Date: Wed, 18 Jul 2018 14:24:58 +0200
To: Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Karoly Pados <pados@pados.hu>, linux-usb@vger.kernel.org
List-ID: <linux-usb.vger.kernel.org>
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