Re: [PATCH v2] USB: serial: cp210x: Fix GPIO in autosuspend

From: Oliver Neukum
Date: Mon Feb 18 2019 - 04:28:22 EST


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