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authorAndy Fleming <afleming@gmail.com>2014-01-10 14:28:11 +0800
committerDavid S. Miller <davem@davemloft.net>2014-01-13 14:29:49 -0800
commit7614aba6a330a6c4937edc24fd4c6a935c1ae703 (patch)
treeb18119276b59537a5a280a0fbe17def8dff3f020 /drivers/of/of_mdio.c
parent257184d7cc03519e1ea37b421879767b4194ce8c (diff)
downloadop-kernel-dev-7614aba6a330a6c4937edc24fd4c6a935c1ae703.zip
op-kernel-dev-7614aba6a330a6c4937edc24fd4c6a935c1ae703.tar.gz
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.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index a43b852..875b7b6 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);
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