drivers/cxl/core/region.c:833: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1252: warning: No description found for return value of 'cxl_port_attach_region'
drivers/cxl/core/region.c:840: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1259: warning: No description found for return value of 'cxl_port_attach_region'