diff options
Diffstat (limited to 'drivers/firmware/arm_scmi/protocols.h')
| -rw-r--r-- | drivers/firmware/arm_scmi/protocols.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index b3c6314bb4b8..e683c26f24eb 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -174,7 +174,8 @@ struct scmi_protocol_handle { struct device *dev; const struct scmi_xfer_ops *xops; const struct scmi_proto_helpers_ops *hops; - int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv); + int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv, + u32 version); void *(*get_priv)(const struct scmi_protocol_handle *ph); }; @@ -311,6 +312,10 @@ typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *); * @ops: Optional reference to the operations provided by the protocol and * exposed in scmi_protocol.h. * @events: An optional reference to the events supported by this protocol. + * @supported_version: The highest version currently supported for this + * protocol by the agent. Each protocol implementation + * in the agent is supposed to downgrade to match the + * protocol version supported by the platform. */ struct scmi_protocol { const u8 id; @@ -319,6 +324,7 @@ struct scmi_protocol { const scmi_prot_init_ph_fn_t instance_deinit; const void *ops; const struct scmi_protocol_events *events; + unsigned int supported_version; }; #define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(name, proto) \ |