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-rw-r--r--include/linux/soc/apple/rtkit.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h
index 88eb832eac7b..c9cabb679cd1 100644
--- a/include/linux/soc/apple/rtkit.h
+++ b/include/linux/soc/apple/rtkit.h
@@ -152,4 +152,16 @@ int apple_rtkit_send_message(struct apple_rtkit *rtk, u8 ep, u64 message,
int apple_rtkit_send_message_wait(struct apple_rtkit *rtk, u8 ep, u64 message,
unsigned long timeout, bool atomic);
+/*
+ * Process incoming messages in atomic context.
+ * This only guarantees that messages arrive as far as the recv_message_early
+ * callback; drivers expecting to handle incoming messages synchronously
+ * by calling this function must do it that way.
+ * Will return 1 if some data was processed, 0 if none was, or a
+ * negative error code on failure.
+ *
+ * @rtk: RTKit reference
+ */
+int apple_rtkit_poll(struct apple_rtkit *rtk);
+
#endif /* _LINUX_APPLE_RTKIT_H_ */