linux-kernel - [PATCH 1/2] mfd: ab8500-gpadc: add CONFIG_PM_RUNTIME to runtime_suspend/runtime

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Date:	Fri, 02 Aug 2013 14:20:51 +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 1/2] mfd: ab8500-gpadc: add CONFIG_PM_RUNTIME to
 runtime_suspend/runtime_resume

Add CONFIG_PM_RUNTIME to runtime_suspend/runtime_resume functions
to fix the build warnings when CONFIG_PM_RUNTIME is not selected.
This is because runtime PM callbacks defined by SET_RUNTIME_PM_OPS
are only used when the CONFIG_PM_RUNTIME is enabled.

drivers/mfd/ab8500-gpadc.c:870:12: warning: 'ab8500_gpadc_runtime_suspend' defined but not used [-Wunused-function]
drivers/mfd/ab8500-gpadc.c:878:12: warning: 'ab8500_gpadc_runtime_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 7623e91..77c616f 100644
--- a/drivers/mfd/ab8500-gpadc.c
+++ b/drivers/mfd/ab8500-gpadc.c
@@ -867,6 +867,7 @@ static void ab8500_gpadc_read_calibration_data(struct ab8500_gpadc *gpadc)
 		gpadc->cal_data[ADC_INPUT_VBAT].offset);
 }
 
+#ifdef CONFIG_PM_RUNTIME
 static int ab8500_gpadc_runtime_suspend(struct device *dev)
 {
 	struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
@@ -885,6 +886,7 @@ static int ab8500_gpadc_runtime_resume(struct device *dev)
 		dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret);
 	return ret;
 }
+#endif
 
 static int ab8500_gpadc_suspend(struct device *dev)
 {
-- 
1.7.10.4


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