From: Arnd Bergmann Date: Thu, 3 Aug 2017 13:50:47 +0200 Subject: drm/msm/mdp5: mark runtime_pm functions as __maybe_unused Git-commit: d1f08d82176246c6d8a2f1dc26be3638ed4a6083 Patch-mainline: v4.14-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 When CONFIG_PM is disabled, we get harmless warnings about unused functions: drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c:1025:12: error: 'mdp5_runtime_resume' defined but not used [-Werror=unused-function] static int mdp5_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c:1015:12: error: 'mdp5_runtime_suspend' defined but not used [-Werror=unused-function] static int mdp5_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~ This marks both functions as __maybe_unused so the compiler can drop them silently. Fixes: d68fe15b1878 ("drm/msm/mdp5: Use runtime PM get/put API instead of toggling clocks") Signed-off-by: Arnd Bergmann Signed-off-by: Rob Clark Acked-by: Petr Tesarik --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -1012,7 +1012,7 @@ static int mdp5_dev_remove(struct platfo return 0; } -static int mdp5_runtime_suspend(struct device *dev) +static __maybe_unused int mdp5_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev); @@ -1022,7 +1022,7 @@ static int mdp5_runtime_suspend(struct d return mdp5_disable(mdp5_kms); } -static int mdp5_runtime_resume(struct device *dev) +static __maybe_unused int mdp5_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev);