PHY: remove rwsem use from phy core

The subsystem rwsem is not used by the driver core at all, so the use of
it in the phy code doesn't make any sense.  They might possibly
want to use a local lock, but I am unsure about that.

Cc: netdev <netdev@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/net/phy/fixed.c b/drivers/net/phy/fixed.c
index 66da91bb1388..68c99b4c5255 100644
--- a/drivers/net/phy/fixed.c
+++ b/drivers/net/phy/fixed.c
@@ -276,21 +276,15 @@ static int fixed_mdio_register_device(int number, int speed, int duplex)
            artificially, we are binding the driver here by hand;
            it will be the same for all the fixed phys anyway.
          */
-        down_write(&phydev->dev.bus->subsys.rwsem);
-
         phydev->dev.driver = &fixed_mdio_driver.driver;
 
         err = phydev->dev.driver->probe(&phydev->dev);
         if(err < 0) {
                 printk(KERN_ERR "Phy %s: problems with fixed driver\n",phydev->dev.bus_id);
-                up_write(&phydev->dev.bus->subsys.rwsem);
                 goto probe_fail;
         }
 
         err = device_bind_driver(&phydev->dev);
-
-        up_write(&phydev->dev.bus->subsys.rwsem);
-
         if (err)
                 goto probe_fail;