RE: [PATCH 1/2] platform/chrome: cros_ec_typec: Skip port partner check in configure_mux()

From: Mani, Rajmohan
Date: Fri Feb 05 2021 - 23:08:23 EST


Hi Prashant,

> -----Original Message-----
> From: Prashant Malani <pmalani@xxxxxxxxxxxx>
> Sent: Friday, February 05, 2021 12:07 PM
> To: Mani, Rajmohan <rajmohan.mani@xxxxxxxxx>
> Cc: Benson Leung <bleung@xxxxxxxxxxxx>; Enric Balletbo i Serra
> <enric.balletbo@xxxxxxxxxxxxx>; Guenter Roeck <groeck@xxxxxxxxxxxx>;
> Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>; Heikki Krogerus
> <heikki.krogerus@xxxxxxxxxxxxxxx>
> Subject: Re: [PATCH 1/2] platform/chrome: cros_ec_typec: Skip port partner
> check in configure_mux()
>
> Hi Raj,
>
> On Fri, Feb 5, 2021 at 11:52 AM Rajmohan Mani
> <rajmohan.mani@xxxxxxxxx> wrote:
> >
> > For certain needs like updating the USB4 retimer firmware when no
> > device are connected, the Type-C ports require mux configuration, to
> > be able to communicate with the retimer. So removed the above check to
> > allow for mux configuration of Type-C ports, to enable retimer
> > communication.
> >
> > Signed-off-by: Rajmohan Mani <rajmohan.mani@xxxxxxxxx>
> Reviewed-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
>

Thanks for the review of the patch series.

> > ---
> > drivers/platform/chrome/cros_ec_typec.c | 3 ---
> > 1 file changed, 3 deletions(-)
> >
> > diff --git a/drivers/platform/chrome/cros_ec_typec.c
> > b/drivers/platform/chrome/cros_ec_typec.c
> > index e724a5eaef1c..3d8ff3f8a514 100644
> > --- a/drivers/platform/chrome/cros_ec_typec.c
> > +++ b/drivers/platform/chrome/cros_ec_typec.c
> > @@ -536,9 +536,6 @@ static int cros_typec_configure_mux(struct
> cros_typec_data *typec, int port_num,
> > enum typec_orientation orientation;
> > int ret;
> >
> > - if (!port->partner)
> > - return 0;
> > -
> > if (mux_flags & USB_PD_MUX_POLARITY_INVERTED)
> > orientation = TYPEC_ORIENTATION_REVERSE;
> > else
> > --
> > 2.30.0
> >