tree a551efc605c7b4d10af4df101470c17308b7822e
parent 67e23a1e60b6bc0a090407d0fc060166ab558b72
author David S. Miller <davem@sunset.davemloft.net> 1153197549 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1153516691 -0700

[SPARC]: Fix initialization of sun4d SBUS interrupts.

1) Explicitly traverse to the root looking for the "sbi".
2) Grab the "board#" property from the sbi's parent and
   verify that this parent is an "io-unit" node.
3) Skip IRQ initialization when device lacks "reg" property.

Signed-off-by: David S. Miller <davem@davemloft.net>