drivers/cxl/core/region.c:824: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1199: warning: No description found for return value of 'cxl_port_attach_region'
drivers/cxl/core/region.c:831: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1206: warning: No description found for return value of 'cxl_port_attach_region'