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authorTakashi Iwai <tiwai@suse.de>2022-04-13 10:43:03 +0200
committerTakashi Iwai <tiwai@suse.de>2022-04-13 10:43:28 +0200
commit651a88798412e216f337d70181127e847f00a4b7 (patch)
tree5fefb107fa9b3fa74dcc3e7ce410c5a1d571549d /include/linux/scmi_protocol.h
parent1b6a6fc5280e97559287b61eade2d4b363e836f2 (diff)
parentbb06c203f86766fc2c37cbce0e20e9daae786f6e (diff)
downloadcachepc-linux-651a88798412e216f337d70181127e847f00a4b7.tar.gz
cachepc-linux-651a88798412e216f337d70181127e847f00a4b7.zip
Merge branch 'topic/cs35l41' into for-next
Pull CS35L41 codec updates Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/scmi_protocol.h')
-rw-r--r--include/linux/scmi_protocol.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 80e781c51ddc..b87551f41f9f 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -42,6 +42,7 @@ struct scmi_revision_info {
struct scmi_clock_info {
char name[SCMI_MAX_STR_SIZE];
+ unsigned int enable_latency;
bool rate_discrete;
union {
struct {
@@ -82,6 +83,9 @@ struct scmi_clk_proto_ops {
u64 rate);
int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id);
int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id);
+ int (*enable_atomic)(const struct scmi_protocol_handle *ph, u32 clk_id);
+ int (*disable_atomic)(const struct scmi_protocol_handle *ph,
+ u32 clk_id);
};
/**
@@ -612,6 +616,15 @@ struct scmi_notify_ops {
* @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
+ * @is_transport_atomic: method to check if the underlying transport for this
+ * instance handle is configured to support atomic
+ * transactions for commands.
+ * Some users of the SCMI stack in the upper layers could
+ * be interested to know if they can assume SCMI
+ * command transactions associated to this handle will
+ * never sleep and act accordingly.
+ * An optional atomic threshold value could be returned
+ * where configured.
* @notify_ops: pointer to set of notifications related operations
*/
struct scmi_handle {
@@ -622,6 +635,8 @@ struct scmi_handle {
(*devm_protocol_get)(struct scmi_device *sdev, u8 proto,
struct scmi_protocol_handle **ph);
void (*devm_protocol_put)(struct scmi_device *sdev, u8 proto);
+ bool (*is_transport_atomic)(const struct scmi_handle *handle,
+ unsigned int *atomic_threshold);
const struct scmi_notify_ops *notify_ops;
};