Re: [PATCH v2 4/4] ASoC: fsl: imx-rpmsg: Update to correct DT node

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On 07/03/2024 08:44, Chancel Liu wrote:
> Platform device for card to probe is registered in imx-audio-rpmsg.
> According to this change DT node of ASoC CPU DAI device is updated.
> 
> Signed-off-by: Chancel Liu <chancel.liu@xxxxxxx>
> ---
>  sound/soc/fsl/imx-rpmsg.c | 21 ++++++++++++++++++---
>  1 file changed, 18 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c
> index e5bd63dab10c..2686125b3043 100644
> --- a/sound/soc/fsl/imx-rpmsg.c
> +++ b/sound/soc/fsl/imx-rpmsg.c
> @@ -108,10 +108,9 @@ static int imx_rpmsg_late_probe(struct snd_soc_card *card)
>  static int imx_rpmsg_probe(struct platform_device *pdev)
>  {
>  	struct snd_soc_dai_link_component *dlc;
> -	struct device *dev = pdev->dev.parent;
>  	/* rpmsg_pdev is the platform device for the rpmsg node that probed us */
> -	struct platform_device *rpmsg_pdev = to_platform_device(dev);
> -	struct device_node *np = rpmsg_pdev->dev.of_node;
> +	struct platform_device *rpmsg_pdev = NULL;
> +	struct device_node *np = NULL;
>  	struct of_phandle_args args;
>  	const char *platform_name;
>  	struct imx_rpmsg *data;
> @@ -127,6 +126,22 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
>  		goto fail;
>  	}
>  
> +	if (!strcmp(pdev->dev.platform_data, "rpmsg-micfil-channel"))
> +		np = of_find_node_by_name(NULL, "rpmsg_micfil");
> +	else
> +		np = of_find_node_by_name(NULL, "rpmsg_audio");

Why do you create ABI on node names? Where is it documented? Why can't
you use phandles?

Best regards,
Krzysztof




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