linux_dsm_epyc7002/include/linux/of_mdio.h
Andy Fleming 7614aba6a3 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>
2014-01-13 14:29:49 -08:00

71 lines
1.8 KiB
C

/*
* OF helpers for the MDIO (Ethernet PHY) API
*
* Copyright (c) 2009 Secret Lab Technologies, Ltd.
*
* This file is released under the GPLv2
*/
#ifndef __LINUX_OF_MDIO_H
#define __LINUX_OF_MDIO_H
#include <linux/phy.h>
#include <linux/of.h>
#ifdef CONFIG_OF
extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
extern struct phy_device *of_phy_connect(struct net_device *dev,
struct device_node *phy_np,
void (*hndlr)(struct net_device *),
u32 flags, phy_interface_t iface);
struct phy_device *of_phy_attach(struct net_device *dev,
struct device_node *phy_np, u32 flags,
phy_interface_t iface);
extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
void (*hndlr)(struct net_device *),
phy_interface_t iface);
extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
#else /* CONFIG_OF */
static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
{
return -ENOSYS;
}
static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
{
return NULL;
}
static inline struct phy_device *of_phy_connect(struct net_device *dev,
struct device_node *phy_np,
void (*hndlr)(struct net_device *),
u32 flags, phy_interface_t iface)
{
return NULL;
}
static inline struct phy_device *of_phy_attach(struct net_device *dev,
struct device_node *phy_np,
u32 flags, phy_interface_t iface)
{
return NULL;
}
static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
void (*hndlr)(struct net_device *),
phy_interface_t iface)
{
return NULL;
}
static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
{
return NULL;
}
#endif /* CONFIG_OF */
#endif /* __LINUX_OF_MDIO_H */