netdev - Re: [PATCH v9 3/5] mfd: ioc3: Add driver for SGI IOC3 chip

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Message-ID: <20191010200002.5fe5f34f@cakuba.netronome.com>
Date:   Thu, 10 Oct 2019 20:00:02 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Thomas Bogendoerfer <tbogendoerfer@...e.de>
Cc:     Jonathan Corbet <corbet@....net>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        netdev@...r.kernel.org, linux-rtc@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH v9 3/5] mfd: ioc3: Add driver for SGI IOC3 chip

On Thu, 10 Oct 2019 16:59:49 +0200, Thomas Bogendoerfer wrote:
>  	dev = alloc_etherdev(sizeof(struct ioc3_private));
> -	if (!dev) {
> -		err = -ENOMEM;
> -		goto out_disable;
> -	}
> -
> -	if (pci_using_dac)
> -		dev->features |= NETIF_F_HIGHDMA;

Looks like the NETIF_F_HIGHDMA feature will not longer be set, is that
okay?

> -	err = pci_request_regions(pdev, "ioc3");
> -	if (err)
> -		goto out_free;
> +	if (!dev)
> +		return -ENOMEM;
>  
>  	SET_NETDEV_DEV(dev, &pdev->dev);
>  
>  	ip = netdev_priv(dev);
> -	ip->dev = dev;
> -	ip->dma_dev = &pdev->dev;
> -
> -	dev->irq = pdev->irq;
> +	ip->dma_dev = pdev->dev.parent;
> +	ip->regs = devm_platform_ioremap_resource(pdev, 0);
> +	if (!ip->regs) {
> +		err = -ENOMEM;
> +		goto out_free;
> +	}