linux-kernel - Re: [PATCH V3 05/12] ASoC: amd: add ACP5x PCM platform driver

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Date:   Tue, 20 Jul 2021 00:35:57 +0530
From:   "Mukunda,Vijendar" <vijendar.mukunda@....com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        broonie@...nel.org, alsa-devel@...a-project.org
Cc:     Sunil-kumar.Dommati@....com,
        open list <linux-kernel@...r.kernel.org>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>, Alexander.Deucher@....com,
        krisman@...labora.com
Subject: Re: [PATCH V3 05/12] ASoC: amd: add ACP5x PCM platform driver

On 7/19/21 11:39 PM, Pierre-Louis Bossart wrote:
> 
>> +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?

yes, we can return status rather than forcing error as -ENODEV.
Will fix it and post the new version.
> 
> 
>> +	}
>> +	return 0;
>> +}
>> +