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authorCristian Marussi <cristian.marussi@arm.com>2021-03-16 12:48:28 +0000
committerSudeep Holla <sudeep.holla@arm.com>2021-03-29 10:00:16 +0100
commit23934efe3748f6d9d8ac0760178a5ef1ed8320f4 (patch)
treee4ce4707a5ed15c78028a90ad1e11693c7eb8659 /include
parentd7b6cc563a600762597ff608f487f90dc8b66f16 (diff)
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firmware: arm_scmi: Introduce devres get/put protocols operations
Expose to the SCMI drivers a new devres managed common protocols API based on generic get/put methods and protocol handles. All drivers still keep using the old API, no functional change. Link: https://lore.kernel.org/r/20210316124903.35011-4-cristian.marussi@arm.com Tested-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/scmi_protocol.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index ea301c579c6f..a9becd356fe8 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -57,6 +57,8 @@ struct scmi_clock_info {
};
struct scmi_handle;
+struct scmi_device;
+struct scmi_protocol_handle;
/**
* struct scmi_clk_ops - represents the various operations provided
@@ -593,6 +595,9 @@ struct scmi_notify_ops {
* @sensor_ops: pointer to set of sensor protocol operations
* @reset_ops: pointer to set of reset protocol operations
* @voltage_ops: pointer to set of voltage protocol operations
+ * @devm_protocol_get: devres managed method to acquire a protocol and get specific
+ * operations and a dedicated protocol handler
+ * @devm_protocol_put: devres managed method to release a protocol
* @notify_ops: pointer to set of notifications related operations
* @perf_priv: pointer to private data structure specific to performance
* protocol(for internal use only)
@@ -618,6 +623,12 @@ struct scmi_handle {
const struct scmi_sensor_ops *sensor_ops;
const struct scmi_reset_ops *reset_ops;
const struct scmi_voltage_ops *voltage_ops;
+
+ const void __must_check *
+ (*devm_protocol_get)(struct scmi_device *sdev, u8 proto,
+ struct scmi_protocol_handle **ph);
+ void (*devm_protocol_put)(struct scmi_device *sdev, u8 proto);
+
const struct scmi_notify_ops *notify_ops;
/* for protocol internal use */
void *perf_priv;