On Tuesday 06 September 2011 17:58:35 Shawn Guo wrote:

+
+       aips-bus at 02000000 { /* AIPS1 */
+               compatible = "fsl,aips-bus", "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               reg = <0x02000000 0x100000>;
+               ranges;
+
+               spba-bus at 02000000 {
+                       compatible = "fsl,spba-bus", "simple-bus";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       reg = <0x02000000 0x40000>;
+                       ranges;

Wouldn't it be better to have the ranges property translate bus-local addresses
to global addresses, rather than having an empty ranges property?

	Arnd