Thank you Arnd. On 17.08.2018 12:53, Arnd Bergmann wrote: > The empty suspend/resume functions cause a build warning > when they are unused: > > drivers/media/platform/qcom/camss/camss.c:1001:12: error: 'camss_runtime_resume' defined but not used [-Werror=unused-function] > drivers/media/platform/qcom/camss/camss.c:996:12: error: 'camss_runtime_suspend' defined but not used [-Werror=unused-function] > > Mark them as __maybe_unused so the compiler can silently drop them. > > Fixes: 02afa816dbbf ("media: camss: Add basic runtime PM support") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Acked-by: Todor Tomov <todor.tomov@xxxxxxxxxx> > --- > drivers/media/platform/qcom/camss/camss.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c > index dcc0c30ef1b1..9f19d5f5966b 100644 > --- a/drivers/media/platform/qcom/camss/camss.c > +++ b/drivers/media/platform/qcom/camss/camss.c > @@ -993,12 +993,12 @@ static const struct of_device_id camss_dt_match[] = { > > MODULE_DEVICE_TABLE(of, camss_dt_match); > > -static int camss_runtime_suspend(struct device *dev) > +static int __maybe_unused camss_runtime_suspend(struct device *dev) > { > return 0; > } > > -static int camss_runtime_resume(struct device *dev) > +static int __maybe_unused camss_runtime_resume(struct device *dev) > { > return 0; > } > -- Best regards, Todor Tomov