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-rw-r--r--include/soc/qcom/tcs.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/soc/qcom/tcs.h b/include/soc/qcom/tcs.h
index 7a2a055ba6b0..3acca067c72b 100644
--- a/include/soc/qcom/tcs.h
+++ b/include/soc/qcom/tcs.h
@@ -30,7 +30,13 @@ enum rpmh_state {
*
* @addr: the address of the resource slv_id:18:16 | offset:0:15
* @data: the resource state request
- * @wait: wait for this request to be complete before sending the next
+ * @wait: ensure that this command is complete before returning.
+ * Setting "wait" here only makes sense during rpmh_write_batch() for
+ * active-only transfers, this is because:
+ * rpmh_write() - Always waits.
+ * (DEFINE_RPMH_MSG_ONSTACK will set .wait_for_compl)
+ * rpmh_write_async() - Never waits.
+ * (There's no request completion callback)
*/
struct tcs_cmd {
u32 addr;
@@ -43,6 +49,7 @@ struct tcs_cmd {
*
* @state: state for the request.
* @wait_for_compl: wait until we get a response from the h/w accelerator
+ * (same as setting cmd->wait for all commands in the request)
* @num_cmds: the number of @cmds in this request
* @cmds: an array of tcs_cmds
*/