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ASoC: rsnd: mark PM functions __maybe_unused 

The suspend/resume callbacks are now optional, leading to a warning
when they are unused:

sound/soc/sh/rcar/core.c:1548:12: error: 'rsnd_resume' defined but not used [-Werror=unused-function]
 static int rsnd_resume(struct device *dev)
            ^~~~~~~~~~~
sound/soc/sh/rcar/core.c:1539:12: error: 'rsnd_suspend' defined but not used [-Werror=unused-function]
 static int rsnd_suspend(struct device *dev)

This marks the as __maybe_unused to avoid the warning.

Fixes: f8a9a29c4f ("ASoC: rsnd: set pm_ops in hibernate-compatible way")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Arnd Bergmann 2018-03-28 16:53:10 +02:00 committed by Mark Brown
parent fac8a5a5ea
commit 6f5427039c
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
sound/soc/sh/rcar/core.c
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@ -1536,7 +1536,7 @@ static int rsnd_remove(struct platform_device *pdev)
return ret;
}
static int rsnd_suspend(struct device *dev)
static int __maybe_unused rsnd_suspend(struct device *dev)
{
struct rsnd_priv *priv = dev_get_drvdata(dev);
@ -1545,7 +1545,7 @@ static int rsnd_suspend(struct device *dev)
return 0;
}
static int rsnd_resume(struct device *dev)
static int __maybe_unused rsnd_resume(struct device *dev)
{
struct rsnd_priv *priv = dev_get_drvdata(dev);