Re: [PATCH v2 2/3] ASoC: sh: rz-ssi: Propagate error codes returned from platform_get_irq_byname()

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Hello!

On 4/26/22 10:49 AM, Lad Prabhakar wrote:

> Propagate error codes returned from platform_get_irq_byname() instead of
> returning -ENODEV. platform_get_irq_byname() may return -EPROBE_DEFER, to
> handle such cases propagate the error codes.
> 
> While at it drop the dev_err_probe() messages as platform_get_irq_byname()
> already does this for us in case of error.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
> v1->v2
> * No change
> ---
>  sound/soc/sh/rz-ssi.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c
> index cec458b8c507..d9a684e71ec3 100644
> --- a/sound/soc/sh/rz-ssi.c
> +++ b/sound/soc/sh/rz-ssi.c
> @@ -977,8 +977,7 @@ static int rz_ssi_probe(struct platform_device *pdev)
>  	/* Error Interrupt */
>  	ssi->irq_int = platform_get_irq_byname(pdev, "int_req");
>  	if (ssi->irq_int < 0)
> -		return dev_err_probe(&pdev->dev, -ENODEV,
> -				     "Unable to get SSI int_req IRQ\n");
> +		return ssi->irq_int;

   Why not:

		return dev_err_probe(&pdev->dev, ssi->irq_int,
				     "Unable to get SSI int_req IRQ\n");

[...]
> @@ -990,8 +989,7 @@ static int rz_ssi_probe(struct platform_device *pdev)
>  		/* Tx and Rx interrupts (pio only) */
>  		ssi->irq_tx = platform_get_irq_byname(pdev, "dma_tx");
>  		if (ssi->irq_tx < 0)
> -			return dev_err_probe(&pdev->dev, -ENODEV,
> -					     "Unable to get SSI dma_tx IRQ\n");
> +			return ssi->irq_tx;

   Same here...

>  
>  		ret = devm_request_irq(&pdev->dev, ssi->irq_tx,
>  				       &rz_ssi_interrupt, 0,
> @@ -1002,8 +1000,7 @@ static int rz_ssi_probe(struct platform_device *pdev)
>  
>  		ssi->irq_rx = platform_get_irq_byname(pdev, "dma_rx");
>  		if (ssi->irq_rx < 0)
> -			return dev_err_probe(&pdev->dev, -ENODEV,
> -					     "Unable to get SSI dma_rx IRQ\n");
> +			return ssi->irq_rx;

   And here...

[...]

MBR, Sergey



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