Add samsung specific changes

drivers/tty/serial/serial_trace.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM serial
+
+#if !defined(_TRACE_SERIAL_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SERIAL_TRACE_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+
+#define MAX_MSG_LEN 200
+
+TRACE_EVENT(serial_info,
+	TP_PROTO(const char *name, struct va_format *vaf),
+	TP_ARGS(name, vaf),
+	TP_STRUCT__entry(
+		__string(name, name)
+		__dynamic_array(char, msg, MAX_MSG_LEN)
+	),
+	TP_fast_assign(
+		__assign_str(name, name);
+		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
+					MAX_MSG_LEN, vaf->fmt,
+					*vaf->va) >= MAX_MSG_LEN);
+	),
+	TP_printk("%s: %s", __get_str(name),  __get_str(msg))
+);
+
+#endif /* _TRACE_SERIAL_TRACE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE serial_trace
+#include <trace/define_trace.h>
+