phylib: add mdiobus_{read,write}

Add mdiobus_{read,write} routines to allow direct reading/writing
of registers on an mii bus without having to go through the PHY
abstraction, and make phy_{read,write} use these primitives.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 49 deletions

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 20cc82c78137..df4e6257d4a7 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -58,55 +58,6 @@ EXPORT_SYMBOL(phy_print_status);
 
 
 /**
- * phy_read - Convenience function for reading a given PHY register
- * @phydev: the phy_device struct
- * @regnum: register number to read
- *
- * NOTE: MUST NOT be called from interrupt context,
- * because the bus read/write functions may wait for an interrupt
- * to conclude the operation.
- */
-int phy_read(struct phy_device *phydev, u16 regnum)
-{
-	int retval;
-	struct mii_bus *bus = phydev->bus;
-
-	BUG_ON(in_interrupt());
-
-	mutex_lock(&bus->mdio_lock);
-	retval = bus->read(bus, phydev->addr, regnum);
-	mutex_unlock(&bus->mdio_lock);
-
-	return retval;
-}
-EXPORT_SYMBOL(phy_read);
-
-/**
- * phy_write - Convenience function for writing a given PHY register
- * @phydev: the phy_device struct
- * @regnum: register number to write
- * @val: value to write to @regnum
- *
- * NOTE: MUST NOT be called from interrupt context,
- * because the bus read/write functions may wait for an interrupt
- * to conclude the operation.
- */
-int phy_write(struct phy_device *phydev, u16 regnum, u16 val)
-{
-	int err;
-	struct mii_bus *bus = phydev->bus;
-
-	BUG_ON(in_interrupt());
-
-	mutex_lock(&bus->mdio_lock);
-	err = bus->write(bus, phydev->addr, regnum, val);
-	mutex_unlock(&bus->mdio_lock);
-
-	return err;
-}
-EXPORT_SYMBOL(phy_write);
-
-/**
  * phy_clear_interrupt - Ack the phy device's interrupt
  * @phydev: the phy_device struct
  *