RE: [PATCH v2 1/2] platform/chrome: cros_ec_typec: Send enum values to usb_role_switch_set_role()

From: Shaikh, Azhar
Date: Thu Jul 30 2020 - 19:02:39 EST


Hi Prashant,


> -----Original Message-----
> From: Prashant Malani <pmalani@xxxxxxxxxxxx>
> Sent: Thursday, July 30, 2020 3:59 PM
> To: Shaikh, Azhar <azhar.shaikh@xxxxxxxxx>
> Cc: bleung@xxxxxxxxxxxx; enric.balletbo@xxxxxxxxxxxxx;
> groeck@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> heikki.krogerus@xxxxxxxxxxxxxxx; Patel, Utkarsh H
> <utkarsh.h.patel@xxxxxxxxx>; Bowman, Casey G
> <casey.g.bowman@xxxxxxxxx>; Mani, Rajmohan
> <rajmohan.mani@xxxxxxxxx>
> Subject: Re: [PATCH v2 1/2] platform/chrome: cros_ec_typec: Send enum
> values to usb_role_switch_set_role()
>
> Hi Azhar,
>
> On Thu, Jul 30, 2020 at 03:56:08PM -0700, Azhar Shaikh wrote:
> > usb_role_switch_set_role() has the second argument as enum for
> usb_role.
> > Currently depending upon the data role i.e. UFP(0) or DFP(1) is sent.
> > This eventually translates to USB_ROLE_NONE in case of UFP and
> > USB_ROLE_DEVICE in case of DFP. Correct this by sending correct enum
> > values as USB_ROLE_DEVICE in case of UFP and USB_ROLE_HOST in case of
> > DFP.
> >
> > Fixes: 7e7def15fa4b ("platform/chrome: cros_ec_typec: Add USB mux
> > control")
> >
> > Signed-off-by: Azhar Shaikh <azhar.shaikh@xxxxxxxxx>
> > Cc: Prashant Malani <pmalani@xxxxxxxxxxxx>
> > Reviewed-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
> > ---
>
> Please add the list of changes in each version after the "---" line.

I have added those in the cover letter.
>
> > drivers/platform/chrome/cros_ec_typec.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/chrome/cros_ec_typec.c
> > b/drivers/platform/chrome/cros_ec_typec.c
> > index 3eae01f4c9f7..eb4713b7ae14 100644
> > --- a/drivers/platform/chrome/cros_ec_typec.c
> > +++ b/drivers/platform/chrome/cros_ec_typec.c
> > @@ -590,7 +590,8 @@ static int cros_typec_port_update(struct
> cros_typec_data *typec, int port_num)
> > dev_warn(typec->dev, "Configure muxes failed, err = %d\n",
> ret);
> >
> > return usb_role_switch_set_role(typec->ports[port_num]-
> >role_sw,
> > - !!(resp.role &
> PD_CTRL_RESP_ROLE_DATA));
> > + resp.role & PD_CTRL_RESP_ROLE_DATA
> > + ? USB_ROLE_HOST : USB_ROLE_DEVICE);
> > }
> >
> > static int cros_typec_get_cmd_version(struct cros_typec_data *typec)
> > --
> > 2.17.1
> >