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Message-Id: <1433790254-4027-4-git-send-email-tal.shorer@gmail.com>
Date: Mon, 8 Jun 2015 22:04:14 +0300
From: Tal Shorer <tal.shorer@...il.com>
To: rostedt@...dmis.org, mingo@...hat.com, linux-kernel@...r.kernel.org
Cc: Tal Shorer <tal.shorer@...il.com>
Subject: [Patch RFC 2/2] tracing: gpio: add Kconfig option for enabling/disabling trace events
Add a new options to gpio Kconfig, CONFIG_GPIO_TRACING, that is used
fir enabling/disabling compilation of gpio function trace events.
Signed-off-by: Tal Shorer <tal.shorer@...il.com>
---
drivers/gpio/Kconfig | 6 ++++++
include/trace/events/gpio.h | 4 ++++
2 files changed, 10 insertions(+)
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index caefe80..1480a22 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -88,6 +88,12 @@ config GPIO_SYSFS
config GPIO_GENERIC
tristate
+config GPIO_TRACING
+ bool "gpio tracing"
+ depends on TRACING
+ help
+ Enable tracing for gpio subsystem
+
# put drivers in the right section, in alphabetical order
# This symbol is selected by both I2C and SPI expanders
diff --git a/include/trace/events/gpio.h b/include/trace/events/gpio.h
index 927a8ad..09af636 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_GPIO_TRACING
+#define NOTRACE
+#endif
+
#if !defined(_TRACE_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_GPIO_H
--
2.2.2
--
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