linux-kernel - Re: [PATCH v5 2/2] net: ethernet: nixge: Add support for National Instruments XGE netdev

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Date:   Mon, 26 Mar 2018 11:38:30 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     mdf@...nel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        netdev@...r.kernel.org, robh+dt@...nel.org, andrew@...n.ch,
        f.fainelli@...il.com
Subject: Re: [PATCH v5 2/2] net: ethernet: nixge: Add support for National
 Instruments XGE netdev

From: Moritz Fischer <mdf@...nel.org>
Date: Fri, 23 Mar 2018 13:41:28 -0700

> +static void nixge_hw_dma_bd_release(struct net_device *ndev)
> +{
> +	int i;
> +	struct nixge_priv *priv = netdev_priv(ndev);

Please order local variables from longest to shortest line (ie. reverse
christmas tree layout).

> +static int nixge_hw_dma_bd_init(struct net_device *ndev)
> +{
> +	u32 cr;
> +	int i;
> +	struct sk_buff *skb;
> +	struct nixge_priv *priv = netdev_priv(ndev);

Likewise.

> +static void __nixge_device_reset(struct nixge_priv *priv, off_t offset)
> +{
> +	u32 status;
> +	int err;
> +	/* Reset Axi DMA. This would reset NIXGE Ethernet core as well.
> +	 * The reset process of Axi DMA takes a while to complete as all
> +	 * pending commands/transfers will be flushed or completed during
> +	 * this reset process.
> +	 */

Please put an empty line between the local variable declarations
and this comment.