Re: [PATCH] dmaengine: sprd-dma: handle runtime PM get failure

[Frank Li]

On Tue, Aug 18, 2026 at 04:41:24PM +0400, Jiawen Liu wrote:
> From: jiawen <1298662399@xxxxxx>
>
> Route failed runtime-PM acquisition through its existing cleanup path.
>
> Release and disable runtime PM before continuing with the hardware
> teardown, so an unsuccessful pm_runtime_get_sync() does not leave
> runtime PM enabled.
>
> Signed-off-by: jiawen <1298662399@xxxxxx>
> ---
> diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
> --- a/drivers/dma/sprd-dma.c
> +++ b/drivers/dma/sprd-dma.c
> @@ -1212,7 +1212,7 @@
>
>  	ret = pm_runtime_get_sync(&pdev->dev);

Use cleanup

	PM_RUNTIME_ACQUIRE_IF_ENABLED(&pdev->dev, pm)
	ret = PM_RUNTIME_ACQUIRE_ERR(&pm)
	if (ret)
		...

Frank


>  	if (ret < 0)
> -		goto err_rpm;
> +		goto err_register;
>
>  	ret = dma_async_device_register(&sdev->dma_dev);
>  	if (ret < 0) {
> @@ -1234,7 +1234,6 @@
>  err_register:
>  	pm_runtime_put_noidle(&pdev->dev);
>  	pm_runtime_disable(&pdev->dev);
> -err_rpm:
>  	sprd_dma_disable(sdev);
>  	return ret;
>  }
>