If CONFIG_PM is n, gcc warns: drivers/media/platform/marvell-ccic/mmp-driver.c:347:12: warning: ‘mmpcam_resume’ defined but not used [-Wunused-function] static int mmpcam_resume(struct device *dev) ^~~~~~~~~~~~~ drivers/media/platform/marvell-ccic/mmp-driver.c:338:12: warning: ‘mmpcam_suspend’ defined but not used [-Wunused-function] static int mmpcam_suspend(struct device *dev) ^~~~~~~~~~~~~~ drivers/media/platform/marvell-ccic/mmp-driver.c:324:12: warning: ‘mmpcam_runtime_suspend’ defined but not used [-Wunused-function] static int mmpcam_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/marvell-ccic/mmp-driver.c:310:12: warning: ‘mmpcam_runtime_resume’ defined but not used [-Wunused-function] static int mmpcam_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~ Mark them as __maybe_unused to fix this. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/media/platform/marvell-ccic/mmp-driver.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c index c4b28a00a3a2..032fdddbbecc 100644 --- a/drivers/media/platform/marvell-ccic/mmp-driver.c +++ b/drivers/media/platform/marvell-ccic/mmp-driver.c @@ -307,7 +307,7 @@ static int mmpcam_platform_remove(struct platform_device *pdev) * Suspend/resume support. */ -static int mmpcam_runtime_resume(struct device *dev) +static int __maybe_unused mmpcam_runtime_resume(struct device *dev) { struct mmp_camera *cam = dev_get_drvdata(dev); struct mcam_camera *mcam = &cam->mcam; @@ -321,7 +321,7 @@ static int mmpcam_runtime_resume(struct device *dev) return 0; } -static int mmpcam_runtime_suspend(struct device *dev) +static int __maybe_unused mmpcam_runtime_suspend(struct device *dev) { struct mmp_camera *cam = dev_get_drvdata(dev); struct mcam_camera *mcam = &cam->mcam; @@ -335,7 +335,7 @@ static int mmpcam_runtime_suspend(struct device *dev) return 0; } -static int mmpcam_suspend(struct device *dev) +static int __maybe_unused mmpcam_suspend(struct device *dev) { struct mmp_camera *cam = dev_get_drvdata(dev); @@ -344,7 +344,7 @@ static int mmpcam_suspend(struct device *dev) return 0; } -static int mmpcam_resume(struct device *dev) +static int __maybe_unused mmpcam_resume(struct device *dev) { struct mmp_camera *cam = dev_get_drvdata(dev); -- 2.17.1