@@ -965,10 +965,20 @@ static void ucsi_unregister_plug(struct ucsi_connector *con)
static int ucsi_register_cable(struct ucsi_connector *con)
{
+ struct ucsi_cable_property cable_prop;
struct typec_cable *cable;
struct typec_cable_desc desc = {};
+ u64 command;
+ int ret;
+
+ command = UCSI_GET_CABLE_PROPERTY | UCSI_CONNECTOR_NUMBER(con->num);
+ ret = ucsi_send_command(con->ucsi, command, &cable_prop, sizeof(cable_prop));
+ if (ret < 0) {
+ dev_err(con->ucsi->dev, "GET_CABLE_PROPERTY failed (%d)\n", ret);
+ return ret;
+ }
- switch (UCSI_CABLE_PROP_FLAG_PLUG_TYPE(con->cable_prop.flags)) {
+ switch (UCSI_CABLE_PROP_FLAG_PLUG_TYPE(cable_prop.flags)) {
case UCSI_CABLE_PROPERTY_PLUG_TYPE_A:
desc.type = USB_PLUG_TYPE_A;
break;
@@ -984,10 +994,10 @@ static int ucsi_register_cable(struct ucsi_connector *con)
}
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(
- con->cable_prop.flags);
+ desc.active = !!(UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE & cable_prop.flags);
+
+ if (con->ucsi->version >= UCSI_VERSION_2_1)
+ desc.pd_revision = UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(cable_prop.flags);
cable = typec_register_cable(con->port, &desc);
if (IS_ERR(cable)) {
@@ -1193,21 +1203,11 @@ static int ucsi_check_connection(struct ucsi_connector *con)
static int ucsi_check_cable(struct ucsi_connector *con)
{
- u64 command;
int ret, num_plug_am;
if (con->cable)
return 0;
- command = UCSI_GET_CABLE_PROPERTY | UCSI_CONNECTOR_NUMBER(con->num);
- ret = ucsi_send_command(con->ucsi, command, &con->cable_prop,
- sizeof(con->cable_prop));
- if (ret < 0) {
- dev_err(con->ucsi->dev, "GET_CABLE_PROPERTY failed (%d)\n",
- ret);
- return ret;
- }
-
ret = ucsi_register_cable(con);
if (ret < 0)
return ret;
@@ -465,7 +465,6 @@ struct ucsi_connector {
struct ucsi_connector_status status;
struct ucsi_connector_capability cap;
- struct ucsi_cable_property cable_prop;
struct power_supply *psy;
struct power_supply_desc psy_desc;
u32 rdo;
The Cable PD Revision field in GET_CABLE_PROPERTY was introduced in UCSI v2.1, so adding check for that. The cable properties are also not used anywhere after the cable is registered, so removing the cable_prop member from struct ucsi_connector while at it. Fixes: 38ca416597b0 ("usb: typec: ucsi: Register cables based on GET_CABLE_PROPERTY") Cc: stable@vger.kernel.org Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- Hi Greg, This version is for your usb-linus branch. The original [1] should apply on top of your usb-next branch. thanks, [1] https://lore.kernel.org/linux-usb/20240830130217.2155774-1-heikki.krogerus@linux.intel.com/ --- drivers/usb/typec/ucsi/ucsi.c | 30 +++++++++++++++--------------- drivers/usb/typec/ucsi/ucsi.h | 1 - 2 files changed, 15 insertions(+), 16 deletions(-)