Machine check in 4xx ethernet driver

[Josh Boyer]

On Mon, Mar 09, 2009 at 12:47:02AM -0700, Felix Radensky wrote:
>
>Hi,
>
>I'm getting machine check exception when trying to dump
>emac registers on 405EX Kilauea board. The kernel is 2.6.29-rc7
>The problem seems not new, I can reproduce it on 2.6.25 Denx kernel

I've not looked at what that code path does, but the EMAC regs are
in DCR space, not MMIO.  Using memcpy_fromio there seems odd.

josh