[PATCH] [POWERPC] 83xx: MPC837xRDB's VSC7385 ethernet switch isn't on the MDIO bus

[Timur Tabi]

Joakim Tjernlund wrote:

> Trying to add fixed-link support for ucc_geth as this is broken too. I
> noticed that ifconfig eth1 up follwed by ifconfig eth1 down hangs
> my board once I got the ucc_geth driver to recognize fixed-link.
> Does it work for you?

A long time ago there was a bug where "ifconfig eth1 down" would cause a kernel
panic if eth0 was also up.  The root cause was a bug in rheap.c.  However, this
code was fixed a year ago.  Could it be a similar bug?

-- 
Timur Tabi
Linux kernel developer at Freescale