Documentation: networking: phy.txt: MDIO bus reset is optional

Update the MDIO bus documentation to mention that the MDIO bus reset
function is completely optional. It became optional with commit
e13934563db0 ("[PATCH] PHY Layer fixup")

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/networking/phy.txt b/Documentation/networking/phy.txt
index e602c6f..3544c98 100644 (file)
--- a/Documentation/networking/phy.txt
+++ b/Documentation/networking/phy.txt
@@ -48,7 +48,7 @@ The MDIO bus
    time, so it is safe for them to block, waiting for an interrupt to signal
    the operation is complete
  
    time, so it is safe for them to block, waiting for an interrupt to signal
    the operation is complete
  

- 2) A reset function is necessary.  This is used to return the bus to an
+ 2) A reset function is optional.  This is used to return the bus to an

    initialized state.
 
  3) A probe function is needed.  This function should set up anything the bus
    initialized state.
 
  3) A probe function is needed.  This function should set up anything the bus