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iio: imx8qxp-adc: mark PM functions as __maybe_unused

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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: 1e23dcaa1a9f ("iio: imx8qxp-adc: Add driver support for NXP IMX8QXP ADC")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211013144338.2261316-1-arnd@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Arnd Bergmann 2021-10-13 16:43:26 +02:00 committed by Jonathan Cameron
parent f840cbed7a
commit 0336d605da
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/imx8qxp-adc.c
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@ -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);