On Thu, Jun 21, 2018 at 04:43:19PM +0300, Heikki Krogerus wrote:
> According to UCSI Specification, Connector Change Event only
> means a change in the Connector Status and Operation Mode
> fields of the STATUS data structure. So any other change
> should create another event.
>
> Unfortunately on some platforms the firmware acting as PPM
> (platform policy manager - usually embedded controller
> firmware) still does not report any other status changes if
> there is a connector change event. So if the connector power
> or data role was changed when a device was plugged to the
> connector, the driver does not get any indication about
> that. The port will show wrong roles if that happens.
>
> To fix the issue, always checking the data and power role
> together with a connector change event.
>
> Fixes: c1b0bc2dabfa ("usb: typec: Add support for UCSI interface")
> Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> ---
No stable kernel marking for this? odd...
greg k-h
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