drivers/cxl/core/region.c:821: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1220: warning: No description found for return value of 'cxl_port_attach_region'
drivers/cxl/core/region.c:828: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1227: warning: No description found for return value of 'cxl_port_attach_region'