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Subject: Re: [PATCH V3 05/12] ASoC: amd: add ACP5x PCM platform driver
To:     Vijendar Mukunda <vijendar.mukunda@amd.com>, broonie@kernel.org,
        alsa-devel@alsa-project.org
Cc:     Sunil-kumar.Dommati@amd.com,
        open list <linux-kernel@vger.kernel.org>,
        Takashi Iwai <tiwai@suse.com>,
        Liam Girdwood <lgirdwood@gmail.com>, Alexander.Deucher@amd.com,
        krisman@collabora.com
References: <20210719165140.16143-1-vijendar.mukunda@amd.com>
 <20210719165140.16143-6-vijendar.mukunda@amd.com>
From:   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Message-ID: <f476dc4a-8185-77fd-d469-728aebdc6f65@linux.intel.com>
Date:   Mon, 19 Jul 2021 13:09:12 -0500
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> +static int acp5x_audio_probe(struct platform_device *pdev)
> +{
> +	struct resource *res;
> +	struct i2s_dev_data *adata;
> +	int status;
> +
> +	if (!pdev->dev.platform_data) {
> +		dev_err(&pdev->dev, "platform_data not retrieved\n");
> +		return -ENODEV;
> +	}
> +	irqflags = *((unsigned int *)(pdev->dev.platform_data));
> +
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	if (!res) {
> +		dev_err(&pdev->dev, "IORESOURCE_MEM FAILED\n");
> +			return -ENODEV;
> +	}
> +
> +	adata = devm_kzalloc(&pdev->dev, sizeof(*adata), GFP_KERNEL);
> +	if (!adata)
> +		return -ENOMEM;
> +
> +	adata->acp5x_base = devm_ioremap(&pdev->dev, res->start,
> +					 resource_size(res));
> +	if (!adata->acp5x_base)
> +		return -ENOMEM;
> +	dev_set_drvdata(&pdev->dev, adata);
> +	status = devm_snd_soc_register_component(&pdev->dev,
> +						 &acp5x_i2s_component,
> +						 NULL, 0);
> +	if (status) {
> +		dev_err(&pdev->dev, "Fail to register acp i2s component\n");
> +		return -ENODEV;

Unclear why you need to change the error code explicitly to -ENODEV?

return status?


> +	}
> +	return 0;
> +}
> +