linux-kernel - [PATCH 2/2] mfd: ab8500-gpadc: add CONFIG_PM

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Message-id: <000201ce8f40$2322df90$69689eb0$@samsung.com>
Date:	Fri, 02 Aug 2013 14:21:26 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Samuel Ortiz' <sameo@...ux.intel.com>,
	'Lee Jones' <lee.jones@...aro.org>
Cc:	linux-kernel@...r.kernel.org, Jingoo Han <jg1.han@...sung.com>
Subject: [PATCH 2/2] mfd: ab8500-gpadc: add CONFIG_PM_SLEEP to suspend/resume

Add CONFIG_PM_SLEEP to suspend/resume functions to fix the build
warnings 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/mfd/ab8500-gpadc.c:891:12: warning: 'ab8500_gpadc_suspend' defined but not used [-Wunused-function]
drivers/mfd/ab8500-gpadc.c:903:12: warning: 'ab8500_gpadc_resume' defined but not used [-Wunused-function]

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/mfd/ab8500-gpadc.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c
index 77c616f..36000f9 100644
--- a/drivers/mfd/ab8500-gpadc.c
+++ b/drivers/mfd/ab8500-gpadc.c
@@ -888,6 +888,7 @@ static int ab8500_gpadc_runtime_resume(struct device *dev)
 }
 #endif
 
+#ifdef CONFIG_PM_SLEEP
 static int ab8500_gpadc_suspend(struct device *dev)
 {
 	struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
@@ -915,6 +916,7 @@ static int ab8500_gpadc_resume(struct device *dev)
 	mutex_unlock(&gpadc->ab8500_gpadc_lock);
 	return ret;
 }
+#endif
 
 static int ab8500_gpadc_probe(struct platform_device *pdev)
 {
-- 
1.7.10.4


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