firewire: core: arrangement header inclusion for tracepoints events

It is a bit inconvenient to put the relative path to local header from
tree-wide header.

This commit delegates the selection to include headers into users.

Link: https://lore.kernel.org/r/20240605235155.116468-11-o-takashi@sakamocchi.jpSigned-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

drivers/firewire/core-trace.c

 // SPDX-License-Identifier: GPL-2.0-or-later
 // Copyright (c) 2024 Takashi Sakamoto
 
+#include <linux/types.h>
+#include "packet-header-definitions.h"
+
 #define CREATE_TRACE_POINTS
 #include <trace/events/firewire.h>

drivers/firewire/core-transaction.c

@@ -29,8 +29,8 @@
 #include <asm/byteorder.h>
 
 #include "core.h"
-#include <trace/events/firewire.h>
 #include "packet-header-definitions.h"
+#include <trace/events/firewire.h>
 
 #define HEADER_DESTINATION_IS_BROADCAST(header) \
 	((async_header_get_destination(header) & 0x3f) == 0x3f)

drivers/firewire/packet-header-definitions.h

@@ -7,6 +7,8 @@
 #ifndef _FIREWIRE_PACKET_HEADER_DEFINITIONS_H
 #define _FIREWIRE_PACKET_HEADER_DEFINITIONS_H
 
+#include <linux/types.h>
+
 #define ASYNC_HEADER_QUADLET_COUNT		4
 
 #define ASYNC_HEADER_Q0_DESTINATION_SHIFT	16

include/trace/events/firewire.h

@@ -11,7 +11,7 @@
 
 #include <linux/firewire-constants.h>
 
-#include "../../../drivers/firewire/packet-header-definitions.h"
+// Some macros are defined in 'drivers/firewire/packet-header-definitions.h'.
 
 // The content of TP_printk field is preprocessed, then put to the module binary.
 #define ASYNC_HEADER_GET_DESTINATION(header)	\