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@l...
--- drivers/usb/typec/ucsi/ucsi.c | 30 +++++++++++++++--------------- drivers/usb/typec/ucsi/ucsi.h | 1 - 2 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 9a799637754c..17155ed17fdf 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -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; diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 57129f3c0814..5a3481d36d7a 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -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;