linux-kernel - [PATCH 2/3] pwm: pwm-tipwmss: add CONFIG_PM

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Message-id: <005401ce1dfe$21fef9e0$65fceda0$%han@samsung.com>
Date:	Mon, 11 Mar 2013 11:14:16 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Thierry Reding' <thierry.reding@...onic-design.de>
Cc:	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 2/3] pwm: pwm-tipwmss: add CONFIG_PM_SLEEP to suspend/resume
 functions

This patch adds CONFIG_PM_SLEEP to suspend/resume functions to fix
the following build warning when CONFIG_PM_SLEEP is not selected.

drivers/pwm/pwm-tipwmss.c:104:12: warning: 'pwmss_suspend' defined but not used [-Wunused-function]
drivers/pwm/pwm-tipwmss.c:113:12: warning: 'pwmss_resume' defined but not used [-Wunused-function]

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/pwm/pwm-tipwmss.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/pwm/pwm-tipwmss.c b/drivers/pwm/pwm-tipwmss.c
index 17cbc59..c9c3d3a 100644
--- a/drivers/pwm/pwm-tipwmss.c
+++ b/drivers/pwm/pwm-tipwmss.c
@@ -101,6 +101,7 @@ static int pwmss_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int pwmss_suspend(struct device *dev)
 {
 	struct pwmss_info *info = dev_get_drvdata(dev);
@@ -118,6 +119,7 @@ static int pwmss_resume(struct device *dev)
 	writew(info->pwmss_clkconfig, info->mmio_base + PWMSS_CLKCONFIG);
 	return 0;
 }
+#endif
 
 static SIMPLE_DEV_PM_OPS(pwmss_pm_ops, pwmss_suspend, pwmss_resume);
 
-- 
1.7.2.5


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