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Date:	Sat,  1 Aug 2015 15:27:58 +0300
From:	Tal Shorer <tal.shorer@...il.com>
To:	tal.shorer@...il.com, rostedt@...dmis.org
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: [Patch v3 2/2] tracing: gpio: add Kconfig option for enabling/disabling trace events

Add a new options to trace Kconfig, CONFIG_TRACING_EVENTS_GPIO, that is
used for enabling/disabling compilation of gpio function trace events.

Signed-off-by: Tal Shorer <tal.shorer@...il.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---
 include/trace/events/gpio.h | 4 ++++
 kernel/trace/Kconfig        | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/include/trace/events/gpio.h b/include/trace/events/gpio.h
index 927a8ad..2da73b9 100644
--- a/include/trace/events/gpio.h
+++ b/include/trace/events/gpio.h
@@ -1,6 +1,10 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM gpio
 
+#ifndef CONFIG_TRACING_EVENTS_GPIO
+#define NOTRACE
+#endif
+
 #if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_GPIO_H
 
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 3b9a48a..67a1731 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -635,6 +635,13 @@ config TRACE_ENUM_MAP_FILE
 
 	If unsure, say N
 
+config TRACING_EVENTS_GPIO
+	bool "Trace gpio events"
+	depends on GPIOLIB
+	default y
+	help
+	  Enable tracing events for gpio subsystem
+
 endif # FTRACE
 
 endif # TRACING_SUPPORT
-- 
2.4.6

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