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SubjectRe: [PATCH v2 1/6] platform/chrome: cros_ec_typec: Make disc_done flag partner-only
On Fri, Nov 06, 2020 at 10:40:59AM -0800, Prashant Malani wrote:
> Change the disc_done flag, which indicates whether PD discovery is
> complete, to sop_disc_done instead, since we will process SOP and SOP'
> discovery data separately.
>
> Signed-off-by: Prashant Malani <pmalani@chromium.org>

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>
> Changes in v2:
> - No changes.
>
> drivers/platform/chrome/cros_ec_typec.c | 19 +++++++------------
> 1 file changed, 7 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index ce031a10eb1b..801c3d2c1fbd 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -57,8 +57,8 @@ struct cros_typec_port {
> /* Port alt modes. */
> struct typec_altmode p_altmode[CROS_EC_ALTMODE_MAX];
>
> - /* Flag indicating that PD discovery data parsing is completed. */
> - bool disc_done;
> + /* Flag indicating that PD partner discovery data parsing is completed. */
> + bool sop_disc_done;
> struct ec_response_typec_discovery *sop_disc;
> struct list_head partner_mode_list;
> };
> @@ -210,7 +210,7 @@ static void cros_typec_remove_partner(struct cros_typec_data *typec,
> typec_unregister_partner(port->partner);
> port->partner = NULL;
> memset(&port->p_identity, 0, sizeof(port->p_identity));
> - port->disc_done = false;
> + port->sop_disc_done = false;
> }
>
> static void cros_unregister_ports(struct cros_typec_data *typec)
> @@ -727,18 +727,13 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
> return;
> }
>
> - if (typec->ports[port_num]->disc_done)
> - return;
> -
> /* Handle any events appropriately. */
> - if (resp.events & PD_STATUS_EVENT_SOP_DISC_DONE) {
> + if (resp.events & PD_STATUS_EVENT_SOP_DISC_DONE && !typec->ports[port_num]->sop_disc_done) {
> ret = cros_typec_handle_sop_disc(typec, port_num);
> - if (ret < 0) {
> + if (ret < 0)
> dev_err(typec->dev, "Couldn't parse SOP Disc data, port: %d\n", port_num);
> - return;
> - }
> -
> - typec->ports[port_num]->disc_done = true;
> + else
> + typec->ports[port_num]->sop_disc_done = true;
> }
> }
>

thanks,

--
heikki

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