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ASoC: rockchip: use __maybe_unused to hide st_irq_syscfg_resume

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The rockchip spdif driver uses SIMPLE_DEV_PM_OPS to conditionally
set its power management functions, but we get a warning
about rk_spdif_runtime_resume being unused when CONFIG_PM is not
set:

sound/soc/rockchip/rockchip_spdif.c:67:12: error: 'rk_spdif_runtime_resume' defined but not used [-Werror=unused-function]

This adds a __maybe_unused annotation so the compiler knows
it can silently drop it instead of warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Arnd Bergmann 2016-03-02 16:59:06 +01:00 committed by Mark Brown
parent ea2e5b96bd
commit d8fc2198aa
1 changed files with 2 additions and 2 deletions
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4
sound/soc/rockchip/rockchip_spdif.c
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@ -54,7 +54,7 @@ static const struct of_device_id rk_spdif_match[] = {
};
MODULE_DEVICE_TABLE(of, rk_spdif_match);
static int rk_spdif_runtime_suspend(struct device *dev)
static int __maybe_unused rk_spdif_runtime_suspend(struct device *dev)
{
struct rk_spdif_dev *spdif = dev_get_drvdata(dev);
@ -64,7 +64,7 @@ static int rk_spdif_runtime_suspend(struct device *dev)
return 0;
}
static int rk_spdif_runtime_resume(struct device *dev)
static int __maybe_unused rk_spdif_runtime_resume(struct device *dev)
{
struct rk_spdif_dev *spdif = dev_get_drvdata(dev);
int ret;