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SubjectRE: [PATCH 3/4] phylib: Support attaching to gen10g_driver
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 3/4] phylib: Support attaching to gen10g_driver
>
> From: Andy Fleming
>
> phy_attach_direct() may now attach to a generic 10G driver. It can also be used
> exactly as phy_connect_direct(), which will be useful when using of_mdio, as
> phy_connect (and therefore of_phy_connect) start the PHY state machine, which is
> currently irrelevant for 10G PHYs.
>
> Signed-off-by: Andy Fleming
> Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
> ---
> drivers/net/phy/phy_device.c | 23 +++++++++++------------
> include/linux/phy.h | 2 ++
> 2 files changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index
> 30bf2d5..f51ea2e 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -55,15 +55,13 @@ static void phy_device_release(struct device *dev) }
>
> static struct phy_driver genphy_driver;
> +static struct phy_driver gen10g_driver;
> extern int mdio_bus_init(void);
> extern void mdio_bus_exit(void);
>
> static LIST_HEAD(phy_fixup_list);
> static DEFINE_MUTEX(phy_fixup_lock);
>
> -static int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
> - u32 flags, phy_interface_t interface);
> -
> /*
> * Creates a new phy_fixup and adds it to the list
> * @bus_id: A string which matches phydev->dev.bus_id (or PHY_ANY_ID) @@ -
> 521,12 +519,12 @@ int phy_init_hw(struct phy_device *phydev)
> *
> * Description: Called by drivers to attach to a particular PHY
> * device. The phy_device is found, and properly hooked up
> - * to the phy_driver. If no driver is attached, then the
> - * genphy_driver is used. The phy_device is given a ptr to
> + * to the phy_driver. If no driver is attached, then a
> + * generic driver is used. The phy_device is given a ptr to
> * the attaching device, and given a callback for link status
> * change. The phy_device is returned to the attaching driver.
> */
> -static int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
> +int phy_attach_direct(struct net_device *dev, struct phy_device
> +*phydev,
> u32 flags, phy_interface_t interface) {
> struct device *d = &phydev->dev;
> @@ -535,12 +533,10 @@ static int phy_attach_direct(struct net_device *dev,
> struct phy_device *phydev,
> /* Assume that if there is no driver, that it doesn't
> * exist, and we should use the genphy driver. */
> if (NULL == d->driver) {
> - if (phydev->is_c45) {
> - pr_err("No driver for phy %x\n", phydev->phy_id);
> - return -ENODEV;
> - }
> -
> - d->driver = &genphy_driver.driver;
> + if (phydev->is_c45)
> + d->driver = &gen10g_driver.driver;
> + else
> + d->driver = &genphy_driver.driver;
>
> err = d->driver->probe(d);
> if (err >= 0)
> @@ -573,6 +569,7 @@ static int phy_attach_direct(struct net_device *dev, struct
> phy_device *phydev,
>
> return err;
> }
> +EXPORT_SYMBOL(phy_attach_direct);
>
> /**
> * phy_attach - attach a network device to a particular PHY device @@ -623,6
> +620,8 @@ void phy_detach(struct phy_device *phydev)
> * real driver could be loaded */
> if (phydev->dev.driver == &genphy_driver.driver)
> device_release_driver(&phydev->dev);
> + else if (phydev->dev.driver == &gen10g_driver.driver)
> + device_release_driver(&phydev->dev);
> }
> EXPORT_SYMBOL(phy_detach);
>
> diff --git a/include/linux/phy.h b/include/linux/phy.h index f864004..f36a6f6
> 100644
> --- a/include/linux/phy.h
> +++ b/include/linux/phy.h
> @@ -575,6 +575,8 @@ int phy_init_hw(struct phy_device *phydev); struct
> phy_device * phy_attach(struct net_device *dev,
> const char *bus_id, phy_interface_t interface); struct phy_device
> *phy_find_first(struct mii_bus *bus);
> +int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
> + u32 flags, phy_interface_t interface);
> int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,
> void (*handler)(struct net_device *),
> phy_interface_t interface);
> --
> 1.8.4.1




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