drivers/cxl/core/region.c:835: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1254: warning: No description found for return value of 'cxl_port_attach_region'
drivers/cxl/core/region.c:842: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1261: warning: No description found for return value of 'cxl_port_attach_region'