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Date: Mon, 18 Feb 2019 10:17:12 +0100 From: Oliver Neukum <oneukum@...e.com> To: Karoly Pados <pados@...os.hu>, Johan Hovold <johan@...nel.org>, Loic Poulain <loic.poulain@...aro.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org 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. Hi, 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 suspend? Regards Oliver
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