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thermal: tegra: mark PM functions __maybe_unused 

After the PM support has been added to this driver, we get
a harmless warning when that support is disabled at compile
time:

drivers/thermal/tegra/soctherm.c:641:12: error: 'soctherm_resume' defined but not used [-Werror=unused-function]
 static int soctherm_resume(struct device *dev)

This marks the two PM functions as __maybe_unused to shut up
the warning. This is preferred over adding an #ifdef around
them, as it is harder to get wrong, and provides better
compile-time coverage.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: a134b4143b65 ("thermal: tegra: add PM support")
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Arnd Bergmann 2016-04-16 22:19:33 +02:00 committed by Eduardo Valentin
parent 0b58c08b59
commit a977c41ec6
1 changed files with 2 additions and 2 deletions
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4
drivers/thermal/tegra/soctherm.c
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@ -629,7 +629,7 @@ static int tegra_soctherm_remove(struct platform_device *pdev)
return 0;
}
static int soctherm_suspend(struct device *dev)
static int __maybe_unused soctherm_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@ -638,7 +638,7 @@ static int soctherm_suspend(struct device *dev)
return 0;
}
static int soctherm_resume(struct device *dev)
static int __maybe_unused soctherm_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct tegra_soctherm *tegra = platform_get_drvdata(pdev);