[Linux-stm32] [PATCH -next 2/2] ASoC: stm32: spdifrx: Fix PM disable depth imbalance in stm32_spdifrx_probe

Olivier MOYSAN olivier.moysan at foss.st.com
Tue Sep 27 13:42:23 CEST 2022


Hi Zhang,

Thanks.You can add my:
Reviewed-by: Olivier Moysan <olivier.moysan at foss.st.com>

BRs

On 9/26/22 16:11, Zhang Qilong wrote:
> The pm_runtime_enable will increase power disable depth. Thus
> a pairing decrement is needed on the error handling path to
> keep it balanced according to context. We fix it by moving
> pm_runtime_enable to the endding of stm32_spdifrx_probe.
> 
> Fixes:ac5e3efd55868 ("ASoC: stm32: spdifrx: add pm_runtime support")
> Signed-off-by: Zhang Qilong <zhangqilong3 at huawei.com>
> ---
>   sound/soc/stm/stm32_spdifrx.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c
> index 0f7146756717..d399c906bb92 100644
> --- a/sound/soc/stm/stm32_spdifrx.c
> +++ b/sound/soc/stm/stm32_spdifrx.c
> @@ -1002,8 +1002,6 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
>   	udelay(2);
>   	reset_control_deassert(rst);
>   
> -	pm_runtime_enable(&pdev->dev);
> -
>   	pcm_config = &stm32_spdifrx_pcm_config;
>   	ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, 0);
>   	if (ret)
> @@ -1036,6 +1034,8 @@ static int stm32_spdifrx_probe(struct platform_device *pdev)
>   			FIELD_GET(SPDIFRX_VERR_MIN_MASK, ver));
>   	}
>   
> +	pm_runtime_enable(&pdev->dev);
> +
>   	return ret;
>   
>   error:


More information about the Alsa-devel mailing list