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SubjectRe: [PATCH] iio: imx8qxp-adc: mark PM functions as __maybe_unused
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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@arndb.de>
>>
>> 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@arndb.de>
>
> Reviewed-by: Cai Huoqing <caihuoqing@baidu.com>

Looks the same as
https://lore.kernel.org/all/20211013014658.2798-1-caihuoqing@baidu.com/

but that one is mixing the Fixes: tag.

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




--
~Randy

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