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>
> ---
> 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);
> --
> 2.29.2
>
