usb: chipidea: add tracepoint support for udc

Add basic tracepoint support for udc driver.

Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/trace.c b/drivers/usb/chipidea/trace.c
new file mode 100644
index 000000000000..f6402630a58e
--- /dev/null
+++ b/drivers/usb/chipidea/trace.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Chipidea Device Mode Trace Support
+ *
+ * Copyright (C) 2020 NXP
+ *
+ * Author: Peter Chen <peter.chen@nxp.com>
+ */
+
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
+void ci_log(struct ci_hdrc *ci, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	trace_ci_log(ci, &vaf);
+	va_end(args);
+}