The following function may have no callers, so they're marked __maybe_unused to avoid warning: sound/soc/tegra/tegra30_i2s.c:50:12: warning: ‘tegra30_i2s_runtime_resume’ defined but not used [-Wunused-function] static int tegra30_i2s_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/tegra/tegra30_i2s.c:39:12: warning: ‘tegra30_i2s_runtime_suspend’ defined but not used [-Wunused-function] static int tegra30_i2s_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/tegra/tegra20_i2s.c:48:12: warning: ‘tegra20_i2s_runtime_resume’ defined but not used [-Wunused-function] static int tegra20_i2s_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/tegra/tegra20_i2s.c:37:12: warning: ‘tegra20_i2s_runtime_suspend’ defined but not used [-Wunused-function] static int tegra20_i2s_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/tegra/tegra30_ahub.c:64:12: warning: ‘tegra30_ahub_runtime_resume’ defined but not used [-Wunused-function] static int tegra30_ahub_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/tegra/tegra30_ahub.c:43:12: warning: ‘tegra30_ahub_runtime_suspend’ defined but not used [-Wunused-function] static int tegra30_ahub_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: 82ef0ae46b86 ('ASoC: tegra: add runtime PM support') Fixes: be944d42ccc1 ('ASoC: tegra: add tegra30-ahub driver') Fixes: 4fb0384f3dc6 ('ASoC: tegra: add tegra30-i2s driver') Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Bixuan Cui <cuibixuan@xxxxxxxxxx> --- sound/soc/tegra/tegra20_i2s.c | 4 ++-- sound/soc/tegra/tegra30_ahub.c | 4 ++-- sound/soc/tegra/tegra30_i2s.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/sound/soc/tegra/tegra20_i2s.c b/sound/soc/tegra/tegra20_i2s.c index 1b27f81c10fe..b280ebd72591 100644 --- a/sound/soc/tegra/tegra20_i2s.c +++ b/sound/soc/tegra/tegra20_i2s.c @@ -34,7 +34,7 @@ #define DRV_NAME "tegra20-i2s" -static int tegra20_i2s_runtime_suspend(struct device *dev) +static __maybe_unused int tegra20_i2s_runtime_suspend(struct device *dev) { struct tegra20_i2s *i2s = dev_get_drvdata(dev); @@ -45,7 +45,7 @@ static int tegra20_i2s_runtime_suspend(struct device *dev) return 0; } -static int tegra20_i2s_runtime_resume(struct device *dev) +static __maybe_unused int tegra20_i2s_runtime_resume(struct device *dev) { struct tegra20_i2s *i2s = dev_get_drvdata(dev); int ret; diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c index d1718f3af3cd..4692c70ed933 100644 --- a/sound/soc/tegra/tegra30_ahub.c +++ b/sound/soc/tegra/tegra30_ahub.c @@ -40,7 +40,7 @@ static inline void tegra30_audio_write(u32 reg, u32 val) regmap_write(ahub->regmap_ahub, reg, val); } -static int tegra30_ahub_runtime_suspend(struct device *dev) +static __maybe_unused int tegra30_ahub_runtime_suspend(struct device *dev) { regcache_cache_only(ahub->regmap_apbif, true); regcache_cache_only(ahub->regmap_ahub, true); @@ -61,7 +61,7 @@ static int tegra30_ahub_runtime_suspend(struct device *dev) * stopping streams should dynamically adjust the clock as required. However, * this is not yet implemented. */ -static int tegra30_ahub_runtime_resume(struct device *dev) +static __maybe_unused int tegra30_ahub_runtime_resume(struct device *dev) { int ret; diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index 8730ffa0f691..36344f0a64c1 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -36,7 +36,7 @@ #define DRV_NAME "tegra30-i2s" -static int tegra30_i2s_runtime_suspend(struct device *dev) +static __maybe_unused int tegra30_i2s_runtime_suspend(struct device *dev) { struct tegra30_i2s *i2s = dev_get_drvdata(dev); @@ -47,7 +47,7 @@ static int tegra30_i2s_runtime_suspend(struct device *dev) return 0; } -static int tegra30_i2s_runtime_resume(struct device *dev) +static __maybe_unused int tegra30_i2s_runtime_resume(struct device *dev) { struct tegra30_i2s *i2s = dev_get_drvdata(dev); int ret; -- 2.17.1