linux-kernel - [PATCH 3/4] platform/chrome: cros_ec

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Date:   Fri, 19 Aug 2022 19:08:04 +0000
From:   Prashant Malani <pmalani@...omium.org>
To:     linux-kernel@...r.kernel.org, chrome-platform@...ts.linux.dev
Cc:     bleung@...omium.org, Prashant Malani <pmalani@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: [PATCH 3/4] platform/chrome: cros_ec_typec: Stash port driver info

Stash port number and a pointer to the driver-specific struct in the
local Type-C port struct.

These can be useful to the port driver to figure out how to communicate
with the ChromeOS EC when an altmode driver related callback is invoked
from the Type-C class code.

Signed-off-by: Prashant Malani <pmalani@...omium.org>
---
 drivers/platform/chrome/cros_ec_typec.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index dc5722db2066..7daf4207c11e 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -44,6 +44,7 @@ struct cros_typec_altmode_node {
 /* Per port data. */
 struct cros_typec_port {
 	struct typec_port *port;
+	int port_num;
 	/* Initial capabilities for the port. */
 	struct typec_capability caps;
 	struct typec_partner *partner;
@@ -71,6 +72,8 @@ struct cros_typec_port {
 	struct ec_response_typec_discovery *disc_data;
 	struct list_head partner_mode_list;
 	struct list_head plug_mode_list;
+
+	struct cros_typec_data *typec_data;
 };
 
 /* Platform-specific data for the Chrome OS EC Type C controller. */
@@ -368,6 +371,8 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
 			goto unregister_ports;
 		}
 
+		cros_port->port_num = port_num;
+		cros_port->typec_data = typec;
 		typec->ports[port_num] = cros_port;
 		cap = &cros_port->caps;
 
-- 
2.37.1.595.g718a3a8f04-goog