diff options
| author | Daniel Mack <zonque@gmail.com> | 2014-06-18 11:01:41 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-22 00:50:00 +0200 |
| commit | 2b8f2a28eac1d35a432705d269f02bdaeba9be8f (patch) | |
| tree | f7115b72a1f524f7edfaf75b0d60146a104dd2bf | |
| parent | 8021q: fix a potential memory leak (diff) | |
| download | linux-2b8f2a28eac1d35a432705d269f02bdaeba9be8f.tar.xz linux-2b8f2a28eac1d35a432705d269f02bdaeba9be8f.zip | |
net: phylib: add link_change_notify callback to phy device
Add a notify callback to inform phy drivers when the core is about to
do its link adjustment. No change for drivers that do not implement
this callback.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/phy.c | 3 | ||||
| -rw-r--r-- | include/linux/phy.h | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 3bc079a67a3d..f7c61812ea4a 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -720,6 +720,9 @@ void phy_state_machine(struct work_struct *work) mutex_lock(&phydev->lock); + if (phydev->drv->link_change_notify) + phydev->drv->link_change_notify(phydev); + switch (phydev->state) { case PHY_DOWN: case PHY_STARTING: diff --git a/include/linux/phy.h b/include/linux/phy.h index 864ddafad8cc..68041446c450 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -536,6 +536,15 @@ struct phy_driver { /* See set_wol, but for checking whether Wake on LAN is enabled. */ void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol); + /* + * Called to inform a PHY device driver when the core is about to + * change the link state. This callback is supposed to be used as + * fixup hook for drivers that need to take action when the link + * state changes. Drivers are by no means allowed to mess with the + * PHY device structure in their implementations. + */ + void (*link_change_notify)(struct phy_device *dev); + struct device_driver driver; }; #define to_phy_driver(d) container_of(d, struct phy_driver, driver) |