1 files changed, 43 insertions, 0 deletions
diff --git a/include/trace/events/mdio.h b/include/trace/events/mdio.h
new file mode 100644
index 000000000..0f241cbe0
--- /dev/null
+++ b/include/trace/events/mdio.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mdio
+
+#if !defined(_TRACE_MDIO_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MDIO_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT_CONDITION(mdio_access,
+
+	TP_PROTO(struct mii_bus *bus, char read,
+		 u8 addr, unsigned regnum, u16 val, int err),
+
+	TP_ARGS(bus, read, addr, regnum, val, err),
+
+	TP_CONDITION(err >= 0),
+
+	TP_STRUCT__entry(
+		__array(char, busid, MII_BUS_ID_SIZE)
+		__field(char, read)
+		__field(u8, addr)
+		__field(u16, val)
+		__field(unsigned, regnum)
+	),
+
+	TP_fast_assign(
+		strncpy(__entry->busid, bus->id, MII_BUS_ID_SIZE);
+		__entry->read = read;
+		__entry->addr = addr;
+		__entry->regnum = regnum;
+		__entry->val = val;
+	),
+
+	TP_printk("%s %-5s phy:0x%02hhx reg:0x%02x val:0x%04hx",
+		  __entry->busid, __entry->read ? "read" : "write",
+		  __entry->addr, __entry->regnum, __entry->val)
+);
+
+#endif /* if !defined(_TRACE_MDIO_H) || defined(TRACE_HEADER_MULTI_READ) */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>