Re: [PATCH 16/28] iio: dac: stm32-dac: Use pm_runtime_resume_and_get() to replace open coding.

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Em Sun,  9 May 2021 12:33:42 +0100
Jonathan Cameron <jic23@xxxxxxxxxx> escreveu:

> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> 
> Found using coccicheck script under review at:
> https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@xxxxxxxx/
> 
> This is a prequel to taking a closer look at the runtime pm in IIO drivers
> in general
> 
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>

LGTM.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

> ---
>  drivers/iio/dac/stm32-dac.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/dac/stm32-dac.c b/drivers/iio/dac/stm32-dac.c
> index a5b0a52bf86e..dd2e306824e7 100644
> --- a/drivers/iio/dac/stm32-dac.c
> +++ b/drivers/iio/dac/stm32-dac.c
> @@ -69,9 +69,8 @@ static int stm32_dac_set_enable_state(struct iio_dev *indio_dev, int ch,
>  	}
>  
>  	if (enable) {
> -		ret = pm_runtime_get_sync(dev);
> +		ret = pm_runtime_resume_and_get(dev);
>  		if (ret < 0) {
> -			pm_runtime_put_noidle(dev);
>  			mutex_unlock(&dac->lock);
>  			return ret;
>  		}



Thanks,
Mauro



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