On Mon, Feb 11, 2008 at 11:57:10AM -0600, Timur Tabi wrote: > Arnd Bergmann wrote: > > > Maybe we can introduce a more generic way of having conditional > > device nodes in the tree that get knocked out in the boot wrapper. > > I've been thinking about doing just this for quite some time now. I've had a > few informal discussions without people about. > > One idea is to allow attaching simple conditional expressions (like > X is <, =, or > than Y) to a node. It is the responsibility of the > code that parses the device tree to assign values to X and Y. For > instance, they could be the names of U-Boot environment variables. > If the expression is false, then the node is removed (or ignored) > from the device tree. If it's true, then it's kept in.
In the binary tree representation itself? No way. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev