Re: [PATCH] ASoC: brcm: Add DSL/PON SoC audio driver

[Florian Fainelli]

On 3/6/20 2:27 PM, Kevin Li wrote:
> This patch adds Broadcom DSL/PON SoC audio driver
> with Whistler I2S block. The SoC supported by this
> patch are BCM63158B0,BCM63178 and BCM47622/6755.
> 
> Signed-off-by: Kevin Li <kevin-ke.li@xxxxxxxxxxxx>
> ---

[snip]

> +int bcm63xx_soc_platform_probe(struct platform_device *pdev,
> +			       struct bcm_i2s_priv *i2s_priv)
> +{
> +	int ret;
> +
> +	i2s_priv->r_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
> +	if (!i2s_priv->r_irq) {
> +		dev_err(&pdev->dev, "Unable to get register irq resource.\n");
> +		return -ENODEV;
> +	}
> +
> +	ret = devm_request_irq(&pdev->dev, i2s_priv->r_irq->start, i2s_dma_isr,
> +			i2s_priv->r_irq->flags, "i2s_dma", (void *)i2s_priv);
> +	if (ret) {
> +		dev_err(&pdev->dev,
> +			"i2s_init: failed to request interrupt.ret=%d\n", ret);
> +		return ret;
> +	}
> +
> +	return devm_snd_soc_register_component(&pdev->dev,
> +					&bcm63xx_soc_platform, NULL, 0);
> +}
> +
> +int bcm63xx_soc_platform_remove(struct platform_device *pdev)
> +{
> +	return 0;
> +}

How does one probe this module if the bcm63xx_soc_platform_probe()
functions are not called from anywhere and/or hooked up to the module
entry/exit points?

Are you not missing a platform_driver entry which matches the compatible
string you defined?
-- 
Florian