diag288
return diag288(WDT_FUNC_CANCEL, 0, 0, 0);
ret = diag288(WDT_FUNC_CHANGE, dev->timeout, 0, 0);
return diag288(func, timeout, virt_to_phys(cmd_buf), len);
ret = diag288(WDT_FUNC_INIT, dev->timeout, LPARWDT_RESTART, 0);