linux-kernel - [PATCH 3/3] misc: apds990x: add CONFIG_PM

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Date:	Tue, 26 Mar 2013 16:05:58 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Greg Kroah-Hartman' <gregkh@...uxfoundation.org>
Cc:	'Arnd Bergmann' <arnd@...db.de>, linux-kernel@...r.kernel.org,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 3/3] misc: apds990x: add CONFIG_PM_SLEEP to suspend/resume
 functions

Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following
build warning when CONFIG_PM_SLEEP is not selected. This is because
sleep PM callbacks defined by SET_SYSTEM_SLEEP_PM_OPS are only used
when the CONFIG_PM_SLEEP is enabled.

drivers/misc/apds990x.c:1205:12: warning: 'apds990x_suspend' defined but not used [-Wunused-function]
drivers/misc/apds990x.c:1214:12: warning: 'apds990x_resume' defined but not used [-Wunused-function]

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/misc/apds990x.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/drivers/misc/apds990x.c b/drivers/misc/apds990x.c
index 1efb6a4..98f9bb2 100644
--- a/drivers/misc/apds990x.c
+++ b/drivers/misc/apds990x.c
@@ -1201,7 +1201,7 @@ static int apds990x_remove(struct i2c_client *client)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int apds990x_suspend(struct device *dev)
 {
 	struct i2c_client *client = container_of(dev, struct i2c_client, dev);
@@ -1224,10 +1224,6 @@ static int apds990x_resume(struct device *dev)
 
 	return 0;
 }
-#else
-#define apds990x_suspend  NULL
-#define apds990x_resume	  NULL
-#define apds990x_shutdown NULL
 #endif
 
 #ifdef CONFIG_PM_RUNTIME
-- 
1.7.2.5


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