iwlwifi: Move each system tracepoints to their own header

Every tracing file must have its own TRACE_SYSTEM defined.
The iwlwifi tracepoint header broke this and added in the middle
of the file:

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi_io

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi_ucode

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi_msg

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi_data

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM iwlwifi

Unfortunately, this broke new code in the ftrace infrastructure.
Moving each of these TRACE_SYSTEMs into their own trace file with
just one TRACE_SYSTEM per file fixes the issue.

Link: http://lkml.kernel.org/r/1428479094.2809.3.camel@sipsolutions.net

Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h b/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h
new file mode 100644
index 0000000..04e6649
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h
@@ -0,0 +1,79 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#if !defined(__IWLWIFI_DEVICE_TRACE_DATA) || defined(TRACE_HEADER_MULTI_READ)
+#define __IWLWIFI_DEVICE_TRACE_DATA
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iwlwifi_data
+
+TRACE_EVENT(iwlwifi_dev_tx_data,
+	TP_PROTO(const struct device *dev,
+		 struct sk_buff *skb,
+		 void *data, size_t data_len),
+	TP_ARGS(dev, skb, data, data_len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0)
+	),
+	TP_fast_assign(
+		DEV_ASSIGN;
+		if (iwl_trace_data(skb))
+			memcpy(__get_dynamic_array(data), data, data_len);
+	),
+	TP_printk("[%s] TX frame data", __get_str(dev))
+);
+
+TRACE_EVENT(iwlwifi_dev_rx_data,
+	TP_PROTO(const struct device *dev,
+		 const struct iwl_trans *trans,
+		 void *rxbuf, size_t len),
+	TP_ARGS(dev, trans, rxbuf, len),
+	TP_STRUCT__entry(
+		DEV_ENTRY
+
+		__dynamic_array(u8, data,
+				len - iwl_rx_trace_len(trans, rxbuf, len))
+	),
+	TP_fast_assign(
+		size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
+		DEV_ASSIGN;
+		if (offs < len)
+			memcpy(__get_dynamic_array(data),
+			       ((u8 *)rxbuf) + offs, len - offs);
+	),
+	TP_printk("[%s] RX frame data", __get_str(dev))
+);
+#endif /* __IWLWIFI_DEVICE_TRACE_DATA */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE iwl-devtrace-data
+#include <trace/define_trace.h>