On Thu, Sep 10, 2020 at 04:09:33PM +0800, YueHaibing wrote: > 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> Your colleague seems to sent out an equivalent patch: https://lore.kernel.org/lkml/20200910080933.40684-1-yuehaibing@xxxxxxxxxx/ Cheers Lubo > --- > 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 > >
