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Message-ID: <1371328671.2117.6.camel@joe-AO722>
Date:	Sat, 15 Jun 2013 13:37:51 -0700
From:	Joe Perches <joe@...ches.com>
To:	Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:	netdev@...r.kernel.org,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Francois Romieu <romieu@...zoreil.com>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	Mischa Jonker <Mischa.Jonker@...opsys.com>,
	Arnd Bergmann <arnd@...db.de>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH v4] ethernet/arc/arc_emac - Add new driver

On Sun, 2013-06-16 at 00:20 +0400, Alexey Brodkin wrote:
> Driver for non-standard on-chip ethernet device ARC EMAC 10/100,
> instantiated in some legacy ARC (Synopsys) FPGA Boards such as
> ARCAngel4/ML50x.

> diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
[]
> +		if (DUPLEX_FULL == phy_dev->duplex)

Most all kernel code uses "if (var == constant)"
as that's how most people think.

[]

> +static int arc_emac_rx(struct net_device *ndev, int budget)
[]
> +		/* Prepare the BD for next cycle */
> +		rx_buff->skb = netdev_alloc_skb_ip_align(ndev, buflen);
> +		if (unlikely(!rx_buff->skb)) {
> +			if (net_ratelimit())
> +				netdev_err(ndev, "cannot allocate skb\n");

Unnecessary OOM message, might as well remove it.
rx_dropped gives the same info.


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