On Wed, 13 Oct 2021 18:40:41 -0700 Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > On 10/13/21 6:29 PM, Cai Huoqing wrote: > > On 13 10月 21 16:43:26, Arnd Bergmann wrote: > >> From: Arnd Bergmann <arnd@xxxxxxxx> > >> > >> Without CONFIG_PM_SLEEP, the runtime suspend/resume functions > >> are unused, producing a warning: > >> > >> drivers/iio/adc/imx8qxp-adc.c:433:12: error: 'imx8qxp_adc_runtime_resume' defined but not used [-Werror=unused-function] > >> 433 | static int imx8qxp_adc_runtime_resume(struct device *dev) > >> | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > >> drivers/iio/adc/imx8qxp-adc.c:419:12: error: 'imx8qxp_adc_runtime_suspend' defined but not used [-Werror=unused-function] > >> 419 | static int imx8qxp_adc_runtime_suspend(struct device *dev) > >> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> > >> Mark them as __maybe_unused to shut up the compiler. > >> > >> Fixes: 7bce634d02e6 ("iio: imx8qxp-adc: Add driver support for NXP IMX8QXP ADC") > >> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > > > > Reviewed-by: Cai Huoqing <caihuoqing@xxxxxxxxx> > > Looks the same as > https://lore.kernel.org/all/20211013014658.2798-1-caihuoqing@xxxxxxxxx/ > > but that one is mixing the Fixes: tag. Given Cai replied to this one and the presence of the fixes tag + my inherent laziness, applied this one to the togreg branch of iio.git. I'll push that out as testing to let 0-day poke it before pushing it out for next to pick up in a day or 2. Thanks, Jonathan > > >> --- > >> drivers/iio/adc/imx8qxp-adc.c | 4 ++-- > >> 1 file changed, 2 insertions(+), 2 deletions(-) > >> > >> diff --git a/drivers/iio/adc/imx8qxp-adc.c b/drivers/iio/adc/imx8qxp-adc.c > >> index 5030e0d8318d..901dd8e1b32f 100644 > >> --- a/drivers/iio/adc/imx8qxp-adc.c > >> +++ b/drivers/iio/adc/imx8qxp-adc.c > >> @@ -416,7 +416,7 @@ static int imx8qxp_adc_remove(struct platform_device *pdev) > >> return 0; > >> } > >> > >> -static int imx8qxp_adc_runtime_suspend(struct device *dev) > >> +static __maybe_unused int imx8qxp_adc_runtime_suspend(struct device *dev) > >> { > >> struct iio_dev *indio_dev = dev_get_drvdata(dev); > >> struct imx8qxp_adc *adc = iio_priv(indio_dev); > >> @@ -430,7 +430,7 @@ static int imx8qxp_adc_runtime_suspend(struct device *dev) > >> return 0; > >> } > >> > >> -static int imx8qxp_adc_runtime_resume(struct device *dev) > >> +static __maybe_unused int imx8qxp_adc_runtime_resume(struct device *dev) > >> { > >> struct iio_dev *indio_dev = dev_get_drvdata(dev); > >> struct imx8qxp_adc *adc = iio_priv(indio_dev); > >> -- > > > >