drivers/cxl/core/region.c:820: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1219: warning: No description found for return value of 'cxl_port_attach_region'
drivers/cxl/core/region.c:827: warning: No description found for return value of 'cxl_get_hpa_freespace'
drivers/cxl/core/region.c:1226: warning: No description found for return value of 'cxl_port_attach_region'