Re: [PATCH] net: stmmac: Add support for TX/RX channel interrupt

[Andrew Lunn]

> +	/* For RX Channel */
> +	for (i = 0; i < MTL_MAX_RX_QUEUES; i++) {
> +		snprintf(irq_name, sizeof(irq_name), "dma_rx%i", i);
> +		irq = platform_get_irq_byname_optional(pdev, irq_name);
> +		if (irq == -EPROBE_DEFER)
> +			return irq;
> +		else if (irq < 0)
> +			break;

It would be good to differentiate between real errors, and it not
being available. I think -ENOXIO is returned when it does not
exist. Anything else is a real error?

	Andrew