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

From: Michal Simek
Date: Fri Oct 05 2012 - 03:00:03 EST


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@xxxxxxxxx>
CC: Anirudha Sarangi <anirudh@xxxxxxxxxx>
CC: John Linn <John.Linn@xxxxxxxxxx>
CC: Grant Likely <grant.likely@xxxxxxxxxxxx>
CC: Rob Herring <rob.herring@xxxxxxxxxxx>
CC: David S. Miller <davem@xxxxxxxxxxxxx>
---
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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