2013/11/26 <shh....@gmail.com>:
> From: Andy Fleming <aflem...@freescale.com>
>
> 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 <aflem...@freescale.com>
> Signed-off-by: Shaohui Xie <shaohui....@freescale.com>
Acked-by: Florian Fainelli <f.faine...@gmail.com>
> ---
> v2: no changes.
>
> drivers/of/of_mdio.c | 19 +++++++++++++++++++
> include/linux/of_mdio.h | 9 +++++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
> index d5a57a9..21076ac 100644
> --- a/drivers/of/of_mdio.c
> +++ b/drivers/of/of_mdio.c
> @@ -247,3 +247,22 @@ 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);
> diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
> index 8163107..108583a 100644
> --- a/include/linux/of_mdio.h
> +++ b/include/linux/of_mdio.h
> @@ -19,6 +19,9 @@ 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);
> @@ -44,6 +47,12 @@ static inline struct phy_device *of_phy_connect(struct
> net_device *dev,
> 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)
> --
> 1.8.4.1
>
>
--
Florian
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