diff options
| author | Andy Fleming <afleming@gmail.com> | 2014-01-10 10:28:11 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-14 02:29:49 +0400 |
| commit | 7614aba6a330a6c4937edc24fd4c6a935c1ae703 (patch) | |
| tree | b18119276b59537a5a280a0fbe17def8dff3f020 /drivers/of/of_mdio.c | |
| parent | 257184d7cc03519e1ea37b421879767b4194ce8c (diff) | |
| download | linux-7614aba6a330a6c4937edc24fd4c6a935c1ae703.tar.xz | |
phylib: Add of_phy_attach
10G PHYs don't currently support running the state machine, which
is implicitly setup via of_phy_connect(). Therefore, it is necessary
to implement an OF version of phy_attach(), which does everything
except start the state machine.
Signed-off-by: Andy Fleming <afleming@gmail.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/of/of_mdio.c')
| -rw-r--r-- | drivers/of/of_mdio.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index a43b8523c61e..875b7b6f0d2a 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -254,3 +254,23 @@ struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, return IS_ERR(phy) ? NULL : phy; } EXPORT_SYMBOL(of_phy_connect_fixed_link); + +/** + * of_phy_attach - Attach to a PHY without starting the state machine + * @dev: pointer to net_device claiming the phy + * @phy_np: Node pointer for the PHY + * @flags: flags to pass to the PHY + * @iface: PHY data interface type + */ +struct phy_device *of_phy_attach(struct net_device *dev, + struct device_node *phy_np, u32 flags, + phy_interface_t iface) +{ + struct phy_device *phy = of_phy_find_device(phy_np); + + if (!phy) + return NULL; + + return phy_attach_direct(dev, phy, flags, iface) ? NULL : phy; +} +EXPORT_SYMBOL(of_phy_attach); |