qe: fix device tree lookup code in qe_muram_init()

[Kumar Gala]

On Nov 29, 2007, at 2:29 PM, Timur Tabi wrote:

> Function qe_muram_init() was only looking for a node called "data- 
> only",
> instead of making sure it is the correct node.  This patch modifies
> qe_muram_init() to find the QE node first, then the MURAM node  
> inside it,
> and then the data-only node.  It also reports errors.
>
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
> arch/powerpc/sysdev/qe_lib/qe.c |   39 ++++++++++++++++++++++++++++++ 
> +--------
> 1 files changed, 31 insertions(+), 8 deletions(-)

Add a compatible property in the muram data-only node called "fsl,qe- 
muram-data" and match on that compatible to find the node instead of  
walking the tree like you are. And report an error if there isn't a  
'fsl,qe-muram-data' node

- k