Re: [PATCH v4 5/5] can: flexcan: add mcf5441x support

[Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>]

On 01.07.2021 01:00:16, Angelo Dureghello wrote:
[...]
> @@ -2089,7 +2151,14 @@ static int flexcan_probe(struct platform_device *pdev)
>  	if (IS_ERR(regs))
>  		return PTR_ERR(regs);
>  
> -	devtype_data = of_device_get_match_data(&pdev->dev);
> +	of_id = of_match_device(flexcan_of_match, &pdev->dev);
> +	if (of_id)
> +		devtype_data = of_id->data;
> +	else if (platform_get_device_id(pdev)->driver_data)
> +		devtype_data = (struct flexcan_devtype_data *)
> +			platform_get_device_id(pdev)->driver_data;
> +	else
> +		return -ENODEV;
>  
>  	if ((devtype_data->quirks & FLEXCAN_QUIRK_SUPPORT_FD) &&
>  	    !(devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP)) {
> @@ -2133,6 +2202,15 @@ static int flexcan_probe(struct platform_device *pdev)
>  	priv->devtype_data = devtype_data;
>  	priv->reg_xceiver = reg_xceiver;
>  
> +	if (devtype_data->quirks & FLEXCAN_QUIRK_NR_IRQ_3) {
> +		priv->irq_boff = platform_get_irq(pdev, 1);
> +		if (priv->irq_boff <= 0)
> +			return -ENODEV;
I'm missing error handling here.
> +		priv->irq_err = platform_get_irq(pdev, 2);
> +		if (priv->irq_err <= 0)
> +			return -ENODEV;
I'm missing error handling here.
> +	}
> +
>  	if (priv->devtype_data->quirks & FLEXCAN_QUIRK_SUPPORT_FD) {
>  		priv->can.ctrlmode_supported |= CAN_CTRLMODE_FD |
>  			CAN_CTRLMODE_FD_NON_ISO;
> @@ -2322,6 +2400,7 @@ static struct platform_driver flexcan_driver = {
>  	},
>  	.probe = flexcan_probe,
>  	.remove = flexcan_remove,
> +	.id_table = flexcan_id_table,
>  };
>  
>  module_platform_driver(flexcan_driver);

Please add error handling then I think the patch can be merged.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
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