[PATCH net-next v9 05/15] ax88179_178a: Add netdev2data() convenience function

[Birger Koblitz <mail@birger-koblitz.de>]

Add a convenience function for the ethtool ops that use
phylink and need to retrieve the ax88179_data structure from
net_device.

Signed-off-by: Birger Koblitz <mail@birger-koblitz.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/usb/ax88179_lib.c | 7 +++++++
 drivers/net/usb/ax88179_lib.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/drivers/net/usb/ax88179_lib.c b/drivers/net/usb/ax88179_lib.c
index 761701ebc0692338b5c0a9f73d0b6965cda87d6e..ea36aef3d3e45ee4f84362a1b87628a12a355bbf 100644
--- a/drivers/net/usb/ax88179_lib.c
+++ b/drivers/net/usb/ax88179_lib.c
@@ -128,6 +128,13 @@ int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 	return ret;
 }
 
+struct ax88179_data *netdev2data(struct net_device *net)
+{
+	struct usbnet *dev = netdev_priv(net);
+
+	return dev->driver_priv;
+}
+
 void ax88179_status(struct usbnet *dev, struct urb *urb)
 {
 	struct ax88179_int_data *event;
diff --git a/drivers/net/usb/ax88179_lib.h b/drivers/net/usb/ax88179_lib.h
index b2ee1356727cf4b3fa05f0b0d5fd863ac3f9a87d..9ff2a94a6fb2de4ee85f25e913ae2fe263bcea7c 100644
--- a/drivers/net/usb/ax88179_lib.h
+++ b/drivers/net/usb/ax88179_lib.h
@@ -181,6 +181,7 @@ void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 			     u16 size, void *data);
 int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc);
 void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
+struct ax88179_data *netdev2data(struct net_device *net);
 void ax88179_status(struct usbnet *dev, struct urb *urb);
 void ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
 int ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);

-- 
2.47.3