linux-kernel - Re: [PATCH v3] net: Add MOXA ART SoCs ethernet driver

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Message-Id: <20130731.170446.1534643901297918794.davem@davemloft.net>
Date:	Wed, 31 Jul 2013 17:04:46 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	jonas.jensen@...il.com, netdev@...r.kernel.org,
	linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arm@...nel.org, florian@...nwrt.org
Subject: Re: [PATCH v3] net: Add MOXA ART SoCs ethernet driver

From: Joe Perches <joe@...ches.com>
Date: Wed, 31 Jul 2013 11:56:38 -0700

>> +		if (ui & (RX_ERR | CRC_ERR | FTL | RUNT | RX_ODD_NB)) {
>> +			netdev_err(ndev, "packet error\n");
> 
> This is generally a bad idea as it can flood
> the log.  It's probably better to remove it.
> If you really want logging, then at least use
> net_ratelimit().  Generally, the stats are
> enough.
 ...
>> +			priv->stats.rx_dropped++;
>> +			priv->stats.rx_errors++;
> []
>> +static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
> []
>> +	if (txdesc->txdes0.ubit.tx_dma_own) {
>> +		netdev_err(ndev, "no TX space for packet\n");
>> +		priv->stats.tx_dropped++;
> 
> here too.

Agreed, these should not be logged, the statistics are sufficient.
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