linux-kernel - Re: [PATCH v3] lpc32xx: Added ethernet driver

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Message-ID: <1330365449.9942.26.camel@joe2Laptop>
Date:	Mon, 27 Feb 2012 09:57:29 -0800
From:	Joe Perches <joe@...ches.com>
To:	Roland Stigge <stigge@...com.de>
Cc:	davem@...emloft.net, jeffrey.t.kirsher@...el.com,
	alexander.h.duyck@...el.com, eilong@...adcom.com,
	ian.campbell@...rix.com, netdev@...r.kernel.org,
	w.sang@...gutronix.de, linux-kernel@...r.kernel.org,
	kevin.wells@....com, linux-arm-kernel@...ts.infradead.org,
	arnd@...db.de, baruch@...s.co.il
Subject: Re: [PATCH v3] lpc32xx: Added ethernet driver

On Mon, 2012-02-27 at 18:42 +0100, Roland Stigge wrote:
> This patch adds an ethernet driver for the LPC32xx ARM SoC.

This looks nicer to me, thanks.
Just a few more trivial comments.

[]
> +++ linux-2.6/drivers/net/ethernet/nxp/lpc_eth.c
[]
> +static int lpc_mdio_read(struct mii_bus *bus, int phy_id, int phyreg)
> +{
> +	struct netdata_local *pldat = bus->priv;
> +	unsigned long timeout = jiffies + ((HZ * 100) / 1000); /* 100mS */

msecs_to_jiffies?

> +static void __lpc_handle_xmit(struct net_device *ndev)
> +{
[]
> +		/* Any errors occurred? */
> +		if (txstat & 0x80000000) {
> +			if (txstat & 0x20000000) {

It might be clearer to use #defines

> +				/* FIFO underrun */
> +				ndev->stats.tx_fifo_errors++;
> +				ndev->stats.tx_errors++;
> +			}
> +			if (txstat & 0x10000000) {
> +				/* Late collision */
> +				ndev->stats.tx_aborted_errors++;
> +				ndev->stats.tx_errors++;

double counting tx_errors?


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