linux-kernel - Re: [PATCH 02/11] net: axienet: Add ioctl support

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Message-ID: <506E7619.3010104@monstr.eu>
Date:	Fri, 05 Oct 2012 07:54:33 +0200
From:	Michal Simek <monstr@...str.eu>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Anirudha Sarangi <anirudh@...inx.com>,
	John Linn <John.Linn@...inx.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 02/11] net: axienet: Add ioctl support

On 10/04/2012 09:17 PM, Ben Hutchings wrote:
> On Thu, 2012-10-04 at 20:14 +0200, Michal Simek wrote:
>> Allow user to access the MDIO from userspace.
>>
>> Signed-off-by: Michal Simek <monstr@...str.eu>
>> CC: Anirudha Sarangi <anirudh@...inx.com>
>> CC: John Linn <John.Linn@...inx.com>
>> CC: Grant Likely <grant.likely@...retlab.ca>
>> CC: Rob Herring <rob.herring@...xeda.com>
>> CC: David S. Miller <davem@...emloft.net>
>> ---
>>   drivers/net/ethernet/xilinx/xilinx_axienet_main.c |   15 +++++++++++++++
>>   1 files changed, 15 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> index 50167ab..a5b41cd 100644
>> --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> @@ -1053,6 +1053,20 @@ static void axienet_poll_controller(struct net_device *ndev)
>>   }
>>   #endif
>>
>> +/* Ioctl MII Interface */
>> +static int axienet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
>> +{
>> +	struct axienet_local *priv = netdev_priv(dev);
>> +
>> +	if (!netif_running(dev))
>> +		return -EINVAL;
>
> Not sure this is the appropriate error code.
>
>> +	if (!priv->phy_dev)
>> +		return -ENODEV;
>
> Error code should be EOPNOTSUPP - the device is present but just doesn't
> support MDIO.

ok. Thanks will fix it.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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