linux-kernel - Re: [PATCH 2/5] net: MOXA ART: connect to PHY and add ethtool support

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Date:	Fri, 22 Nov 2013 23:48:29 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Jonas Jensen <jonas.jensen@...il.com>
CC:	<netdev@...r.kernel.org>, <davem@...emloft.net>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] net: MOXA ART: connect to PHY and add ethtool
 support

On Fri, 2013-11-22 at 15:57 +0100, Jonas Jensen wrote:
> The kernel now has a MDIO bus driver and a phy_driver (RTL8201CP),
> connect to this PHY using OF and add ethtool support.
> 
> Signed-off-by: Jonas Jensen <jonas.jensen@...il.com>
> ---
> 
> Notes:
>     Applies to next-20131122
> 
>  drivers/net/ethernet/moxa/moxart_ether.c | 179 ++++++++++++++++++++++++++++++-
>  drivers/net/ethernet/moxa/moxart_ether.h |   1 +
>  2 files changed, 179 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
> index 3c14afd..bcc6005 100644
> --- a/drivers/net/ethernet/moxa/moxart_ether.c
> +++ b/drivers/net/ethernet/moxa/moxart_ether.c
> @@ -26,9 +26,15 @@
>  #include <linux/of_irq.h>
>  #include <linux/crc32.h>
>  #include <linux/crc32c.h>
> +#include <linux/phy.h>
> +#include <linux/of_mdio.h>
>  
>  #include "moxart_ether.h"
>  
> +#define DRV_NAME                "moxart-ethernet"
> +#define DRV_VERSION             "0.2"
> +#define MOXART_NUM_STATS        16

MOXART_NUM_STATS should be defined as ARRAY_SIZE(ethtool_stats_keys).

[...]
> +static void moxart_get_drvinfo(struct net_device *ndev,
> +			       struct ethtool_drvinfo *info)
> +{
> +	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
> +	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
> +	strlcpy(info->bus_info, dev_name(&ndev->dev), sizeof(info->bus_info));
> +	info->n_stats = MOXART_NUM_STATS;
[...]

Don't initialise n_stats here; the core will initialise it using your
get_sset_count implementation.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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