Hi, [auto build test ERROR on tty/tty-testing] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Max-Staudt/8250-option-force_polling-for-buggy-IRQs/20160726-013812 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing config: x86_64-randconfig-x012-201630 (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/tty/serial/8250/8250_core.c: In function 's8250_options': >> drivers/tty/serial/8250/8250_core.c:1250:43: error: macro "module_param_cb" requires 4 arguments, but only 3 given module_param_cb(force_polling, uint, 0644); ^ >> drivers/tty/serial/8250/8250_core.c:1250:2: error: 'module_param_cb' undeclared (first use in this function) module_param_cb(force_polling, uint, 0644); ^~~~~~~~~~~~~~~ drivers/tty/serial/8250/8250_core.c:1250:2: note: each undeclared identifier is reported only once for each function it appears in vim +/module_param_cb +1250 drivers/tty/serial/8250/8250_core.c 1244 #undef MODULE_PARAM_PREFIX 1245 #define MODULE_PARAM_PREFIX "8250_core." 1246 1247 module_param_cb(share_irqs, ¶m_ops_uint, &share_irqs, 0644); 1248 module_param_cb(nr_uarts, ¶m_ops_uint, &nr_uarts, 0644); 1249 module_param_cb(skip_txen_test, ¶m_ops_uint, &skip_txen_test, 0644); > 1250 module_param_cb(force_polling, uint, 0644); 1251 #ifdef CONFIG_SERIAL_8250_RSA 1252 __module_param_call(MODULE_PARAM_PREFIX, probe_rsa, 1253 ¶m_array_ops, .arr = &__param_arr_probe_rsa, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation