A recent debug session yielded a couple debug messages that were useful for determining the reason why the driver was or was not falling back to CXL range register emulation, and for identifying decoder setting enumeration problems. Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Alison Schofield <alison.schofield@intel.com> Link: https://lore.kernel.org/r/168149845668.792294.11814353796371419167.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>