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Commit f8f76db1 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

libphy: add phy_find_first function 



Many drivers do this in them manually. Now they can use this function.

Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6683ece3

drivers/net/phy/phy_device.c

+16 −0
Original line number Diff line number Diff line
@@ -276,6 +276,22 @@ int phy_device_register(struct phy_device *phydev) 
}

EXPORT_SYMBOL(phy_device_register);



/**

 * phy_find_first - finds the first PHY device on the bus

 * @bus: the target MII bus

 */

struct phy_device *phy_find_first(struct mii_bus *bus)

{

	int addr;



	for (addr = 0; addr < PHY_MAX_ADDR; addr++) {

		if (bus->phy_map[addr])

			return bus->phy_map[addr];

	}

	return NULL;

}

EXPORT_SYMBOL(phy_find_first);



/**

 * phy_prepare_link - prepares the PHY layer to monitor link status

 * @phydev: target phy_device struct

include/linux/phy.h

+1 −0
Original line number Diff line number Diff line
@@ -452,6 +452,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, 
		u32 flags, phy_interface_t interface);

struct phy_device * phy_attach(struct net_device *dev,

		const char *bus_id, u32 flags, phy_interface_t interface);

struct phy_device *phy_find_first(struct mii_bus *bus);

int phy_connect_direct(struct net_device *dev, struct phy_device *phydev,

		void (*handler)(struct net_device *), u32 flags,

		phy_interface_t interface);