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Date:   Mon, 18 Feb 2019 10:17:12 +0100
From:   Oliver Neukum <>
To:     Karoly Pados <>, Johan Hovold <>,
        Loic Poulain <>,
        Greg Kroah-Hartman <>,,
Subject: Re: [PATCH v2] USB: serial: cp210x: Fix GPIO in autosuspend

On So, 2019-02-17 at 18:59 +0100, Karoly Pados wrote:
> Current GPIO code in cp210x fails to take USB autosuspend into account,
> making it practically impossible to use GPIOs with autosuspend enabled
> without user configuration. Fix this like for ftdi_sio in a previous patch.
> Tested on a CP2102N.


your patch is looking good to me, but I am afraid there are issues.
How do the GPIO lines on the device interact with USB reset and system


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