diff options
Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r-- | drivers/platform/chrome/cros_ec_typec.c | 50 |
1 files changed, 40 insertions, 10 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index afba902b6491..fd446f9029a0 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -67,6 +67,7 @@ struct cros_typec_port { bool sop_prime_disc_done; struct ec_response_typec_discovery *disc_data; struct list_head partner_mode_list; + struct list_head plug_mode_list; }; /* Platform-specific data for the Chrome OS EC Type C controller. */ @@ -186,12 +187,15 @@ static int cros_typec_add_partner(struct cros_typec_data *typec, int port_num, return ret; } -static void cros_typec_unregister_altmodes(struct cros_typec_data *typec, int port_num) +static void cros_typec_unregister_altmodes(struct cros_typec_data *typec, int port_num, + bool is_partner) { struct cros_typec_port *port = typec->ports[port_num]; struct cros_typec_altmode_node *node, *tmp; + struct list_head *head; - list_for_each_entry_safe(node, tmp, &port->partner_mode_list, list) { + head = is_partner ? &port->partner_mode_list : &port->plug_mode_list; + list_for_each_entry_safe(node, tmp, head, list) { list_del(&node->list); typec_unregister_altmode(node->amode); devm_kfree(typec->dev, node); @@ -203,7 +207,7 @@ static void cros_typec_remove_partner(struct cros_typec_data *typec, { struct cros_typec_port *port = typec->ports[port_num]; - cros_typec_unregister_altmodes(typec, port_num); + cros_typec_unregister_altmodes(typec, port_num, true); port->state.alt = NULL; port->state.mode = TYPEC_STATE_USB; @@ -224,6 +228,8 @@ static void cros_typec_remove_cable(struct cros_typec_data *typec, { struct cros_typec_port *port = typec->ports[port_num]; + cros_typec_unregister_altmodes(typec, port_num, false); + typec_unregister_plug(port->plug); port->plug = NULL; typec_unregister_cable(port->cable); @@ -352,6 +358,7 @@ static int cros_typec_init_ports(struct cros_typec_data *typec) } INIT_LIST_HEAD(&cros_port->partner_mode_list); + INIT_LIST_HEAD(&cros_port->plug_mode_list); } return 0; @@ -637,7 +644,11 @@ static int cros_typec_get_mux_info(struct cros_typec_data *typec, int port_num, sizeof(req), resp, sizeof(*resp)); } -static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_num) +/* + * Helper function to register partner/plug altmodes. + */ +static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_num, + bool is_partner) { struct cros_typec_port *port = typec->ports[port_num]; struct ec_response_typec_discovery *sop_disc = port->disc_data; @@ -655,7 +666,11 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_ desc.mode = j; desc.vdo = sop_disc->svids[i].mode_vdo[j]; - amode = typec_partner_register_altmode(port->partner, &desc); + if (is_partner) + amode = typec_partner_register_altmode(port->partner, &desc); + else + amode = typec_plug_register_altmode(port->plug, &desc); + if (IS_ERR(amode)) { ret = PTR_ERR(amode); goto err_cleanup; @@ -670,21 +685,30 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_ } node->amode = amode; - list_add_tail(&node->list, &port->partner_mode_list); + + if (is_partner) + list_add_tail(&node->list, &port->partner_mode_list); + else + list_add_tail(&node->list, &port->plug_mode_list); num_altmodes++; } } - ret = typec_partner_set_num_altmodes(port->partner, num_altmodes); + if (is_partner) + ret = typec_partner_set_num_altmodes(port->partner, num_altmodes); + else + ret = typec_plug_set_num_altmodes(port->plug, num_altmodes); + if (ret < 0) { - dev_err(typec->dev, "Unable to set partner num_altmodes for port: %d\n", port_num); + dev_err(typec->dev, "Unable to set %s num_altmodes for port: %d\n", + is_partner ? "partner" : "plug", port_num); goto err_cleanup; } return 0; err_cleanup: - cros_typec_unregister_altmodes(typec, port_num); + cros_typec_unregister_altmodes(typec, port_num, is_partner); return ret; } @@ -772,6 +796,12 @@ static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p goto sop_prime_disc_exit; } + ret = cros_typec_register_altmodes(typec, port_num, false); + if (ret < 0) { + dev_err(typec->dev, "Failed to register plug altmodes, port: %d\n", port_num); + goto sop_prime_disc_exit; + } + return 0; sop_prime_disc_exit: @@ -813,7 +843,7 @@ static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_nu goto disc_exit; } - ret = cros_typec_register_altmodes(typec, port_num); + ret = cros_typec_register_altmodes(typec, port_num, true); if (ret < 0) { dev_err(typec->dev, "Failed to register partner altmodes, port: %d\n", port_num); goto disc_exit; |