On Feb 27, 2012, at 6:25 AM, Paul Gortmaker wrote: > The mpc836x_mds platform has been broken since the commit > 6fe3264945ee63292cdfb27b6e95bc52c603bb09 > > "netdev/phy: Use mdiobus_read() so that proper locks are taken" > > which caused the fsl_pq_mdio TBI autoprobe to oops. The oops > was "fixed" in commit 28d8ea2d568534026ccda3e8936f5ea1e04a86a1 > > "fsl_pq_mdio: Clean up tbi address configuration" > > by simply removing the the autoscan code, and making tbi nodes > mandatory. Some of the newer reference platforms were updated > to have tbi nodes in 220669495bf8b68130a8218607147c7b74c28d2b > > "powerpc: Add TBI PHY node to first MDIO bus" > > but the older mpc836x didn't get one and hence was just failing > with -EBUSY as follows: > > fsl-pq_mdio: probe of e0102120.mdio failed with error -16 > ... > net eth0: Could not attach to PHY > eth0: Cannot initialize PHY, aborting. > > Add a TBI node and use the 1st free address for it. > > Signed-off-by: Paul Gortmaker <paul.gortma...@windriver.com> > ---
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