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SubjectRE: [PATCH 4/4] phylib: Add of_phy_attach
Date
Added more people and list.

Best Regards,
Shaohui Xie


> -----Original Message-----
> From: shh.xie@gmail.com [mailto:shh.xie@gmail.com]
> Sent: Monday, November 11, 2013 7:08 PM
> To: linuxppc-dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> Cc: Bucur Madalin-Cristian-B32716; Kanetkar Shruti-B44454; Xie Shaohui-B21989
> Subject: [PATCH 4/4] phylib: Add of_phy_attach
>
> From: Andy Fleming
>
> 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
> Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
> ---
> drivers/of/of_mdio.c | 22 ++++++++++++++++++++--
> include/linux/of_mdio.h | 8 ++++++++
> 2 files changed, 28 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index d5a57a9..a748274
> 100644
> --- a/drivers/of/of_mdio.c
> +++ b/drivers/of/of_mdio.c
> @@ -221,8 +221,7 @@ EXPORT_SYMBOL(of_phy_connect);
> * not call this function from new drivers.
> */
> struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
> - void (*hndlr)(struct net_device *),
> - phy_interface_t iface)
> + void (*hndlr)(struct net_device *), phy_interface_t iface)
> {
> struct device_node *net_np;
> char bus_id[MII_BUS_ID_SIZE + 3];
> @@ -247,3 +246,22 @@ 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..dcda44d 100644
> --- a/include/linux/of_mdio.h
> +++ b/include/linux/of_mdio.h
> @@ -19,6 +19,8 @@ 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);
> +extern 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 +46,12 @@ 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




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