Commit 2b8f2a28 authored by Daniel Mack's avatar Daniel Mack Committed by David S. Miller
Browse files

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: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 916c1689

drivers/net/phy/phy.c

+3 −0
Original line number Diff line number Diff line
@@ -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:

include/linux/phy.h

+9 −0
Original line number Diff line number Diff line
@@ -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)