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rtc: xgene: mark PM functions as __maybe_unused

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The new xgene_rtc_alarm_irq_enabled() function is only accessed
from PM code, which is inside of an #ifdef; this causes a harmless
build warning when CONFIG_PM is disabled:

drivers/rtc/rtc-xgene.c:108:12: error: 'xgene_rtc_alarm_irq_enabled' defined but not used [-Werror=unused-function]

Just remove the #ifdef and use __maybe_unused annotations instead,
to make the code more robust here.

Fixes: d0bcd82b13 ("rtc: xgene: Fix suspend/resume")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Loc Ho <lho@apm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Arnd Bergmann 2017-11-08 13:08:10 +01:00 committed by Alexandre Belloni
parent d0bcd82b13
commit 573e2bf054
1 changed files with 2 additions and 4 deletions
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6
drivers/rtc/rtc-xgene.c
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@ -221,8 +221,7 @@ static int xgene_rtc_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int xgene_rtc_suspend(struct device *dev)
static int __maybe_unused xgene_rtc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct xgene_rtc_dev *pdata = platform_get_drvdata(pdev);
@ -246,7 +245,7 @@ static int xgene_rtc_suspend(struct device *dev)
return 0;
}
static int xgene_rtc_resume(struct device *dev)
static int __maybe_unused xgene_rtc_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct xgene_rtc_dev *pdata = platform_get_drvdata(pdev);
@ -271,7 +270,6 @@ static int xgene_rtc_resume(struct device *dev)
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(xgene_rtc_pm_ops, xgene_rtc_suspend, xgene_rtc_resume);