On 2020/9/10 16:22, Lubomir Rintel wrote: > 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/ This is my patch, paste an wrong link? > > 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 >> >> > > . >