phylib: give mdio buses a device tree presence
Introduce the mdio_bus class, and give each 'struct mii_bus' its own
'struct device', so that mii_bus objects are represented in the device
tree and can be found by querying the device tree.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/phy.h b/include/linux/phy.h
index ca4a83c..891f27f 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -100,6 +100,13 @@
struct mutex mdio_lock;
struct device *parent;
+ enum {
+ MDIOBUS_ALLOCATED = 1,
+ MDIOBUS_REGISTERED,
+ MDIOBUS_UNREGISTERED,
+ MDIOBUS_RELEASED,
+ } state;
+ struct device dev;
/* list of all PHYs on bus */
struct phy_device *phy_map[PHY_MAX_ADDR];
@@ -113,6 +120,7 @@
*/
int *irq;
};
+#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
#define PHY_INTERRUPT_DISABLED 0x0
#define PHY_INTERRUPT_ENABLED 0x80000000