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

Marc Kleine-Budde
2021-07-01T06:50:29Z

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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

--
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Embedded Linux | https://www.pengutronix.de |
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