Re: [PATCH v2 3/6] usb: typec: ucsi: Only assign the identity structure if the PPM supports it

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On Fri, Aug 16, 2024 at 6:59 AM Heikki Krogerus
<heikki.krogerus@xxxxxxxxxxxxxxx> wrote:
>
> This will make sure that the identity sysfs attribute files
> are kept hidden if the UCSI interface doesn't support
> reading the USB Power Delivery messages.
>
> Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/typec/ucsi/ucsi.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
> index 96ef099a6f84..1f6e3f0d25c1 100644
> --- a/drivers/usb/typec/ucsi/ucsi.c
> +++ b/drivers/usb/typec/ucsi/ucsi.c
> @@ -979,7 +979,8 @@ static int ucsi_register_cable(struct ucsi_connector *con)
>                 break;
>         }
>
> -       desc.identity = &con->cable_identity;
> +       if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
> +               desc.identity = &con->cable_identity;
>         desc.active = !!(UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE &
>                          con->cable_prop.flags);
>         desc.pd_revision = UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(
> @@ -1058,7 +1059,8 @@ static int ucsi_register_partner(struct ucsi_connector *con)
>         if (pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD)
>                 ucsi_register_device_pdos(con);
>
> -       desc.identity = &con->partner_identity;
> +       if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
> +               desc.identity = &con->partner_identity;
>         desc.usb_pd = pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD;
>         desc.pd_revision = UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(con->cap.flags);
>
> --
> 2.43.0
>
>

Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>





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