From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F0EC173 for ; Thu, 6 Jan 2022 07:49:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1641455351; x=1672991351; h=date:from:to:cc:subject:message-id:mime-version; bh=Z76HLmMWgPv2sngcLho3m1fyMUtOrl07VgzjC7cEFrI=; b=abIrg8/BU6JZg5nAkehjvCu2WfeYi8b5xBzPUpBwg1xw4GLK9vU2eGTw PIvyIA0btlAH/wGDChaHHReQVdcQt5HLpjelfVa1vyFE/e6TZ1XiNq5pF 9Uaqgowbk7JwrKeFJhy6VPgRUIgQpR1kG+vdNU7mZtyUy34GDZiMK4oyU itZoIdG9shvvxSWsxYRqxNOinnhlKOnwx8nHJ4F502hb+5wRN2C0Xp94w cCL7160VPFWvutQ5SHJBHS5CBgGX+nGU77CA5d3gXq3QJCzVBTWfQ+T6A DgUiP7IEJLBcutXeBgH6/ymDXAkrSGQppS0ut6ABig7WaxJGa7HCcEvCx Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10217"; a="229935784" X-IronPort-AV: E=Sophos;i="5.88,266,1635231600"; d="scan'208";a="229935784" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2022 23:49:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,266,1635231600"; d="scan'208";a="526878144" Received: from lkp-server01.sh.intel.com (HELO e357b3ef1427) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 05 Jan 2022 23:49:09 -0800 Received: from kbuild by e357b3ef1427 with local (Exim 4.92) (envelope-from ) id 1n5NWG-000HSn-RD; Thu, 06 Jan 2022 07:49:08 +0000 Date: Thu, 6 Jan 2022 15:48:14 +0800 From: kernel test robot To: Jiri Slaby Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [jirislaby:devel 22/31] drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' Message-ID: <202201061517.idmER6xz-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel head: be0ceaad1e9d19def7c3344c8af61e80785f4326 commit: 8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 [22/31] mxser: switch to uart_driver config: i386-randconfig-r021-20220105 (https://download.01.org/0day-ci/archive/20220106/202201061517.idmER6xz-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e30ed3acad794dd0aec400e617daffc6cc3d) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git/commit/?id=8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git git fetch --no-tags jirislaby devel git checkout 8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/tty/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' spin_lock_irqsave(&uport->lock, flags); ^ >> drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' drivers/tty/mxser.c:774:40: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ drivers/tty/mxser.c:790:40: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ drivers/tty/mxser.c:828:39: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ >> drivers/tty/mxser.c:878:25: error: use of undeclared identifier 'port'; did you mean 'uport'? tty_port_free_xmit_buf(port); ^~~~ uport drivers/tty/mxser.c:852:46: note: 'uport' declared here static void mxser_shutdown(struct uart_port *uport) ^ 6 errors generated. vim +/flags +771 drivers/tty/mxser.c ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 763 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 764 static int mxser_startup(struct uart_port *uport) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 765 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 766 struct mxser_port *info = to_mport(uport); 373f755a1748c2 drivers/tty/mxser.c Jiri Slaby 2021-12-16 767 int ret; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 768 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 769 BUG_ON("we use kfifo"); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 770 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 @771 spin_lock_irqsave(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 772 83eaabf7a151de drivers/tty/mxser.c Jiri Slaby 2021-12-10 773 if (!uport->type) { 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 774 spin_unlock_irqrestore(&uport->lock, flags); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 775 return -EINVAL; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 776 } 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 777 ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 778 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 779 * Clear the FIFO buffers and disable them 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 780 * (they will be reenabled in mxser_change_speed()) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 781 */ ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 782 mxser_disable_and_clear_FIFO(info); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 783 ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 784 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 785 * At this point there's no way the LSR could still be 0xFF; 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 786 * if it is, then bail out, because there's likely no UART 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 787 * here. ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 788 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 789 if (inb(uport->iobase + UART_LSR) == 0xff) { 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 790 spin_unlock_irqrestore(&uport->lock, flags); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 791 return -ENODEV; 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 792 } 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 793 ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 794 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 795 * Clear the interrupt registers. ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 796 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 797 (void) inb(uport->iobase + UART_LSR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 798 (void) inb(uport->iobase + UART_RX); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 799 (void) inb(uport->iobase + UART_IIR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 800 (void) inb(uport->iobase + UART_MSR); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 801 ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 802 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 803 * Now, initialize the UART ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 804 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 805 outb(UART_LCR_WLEN8, uport->iobase + UART_LCR); /* reset DLAB */ 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 806 info->MCR = UART_MCR_DTR | UART_MCR_RTS; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 807 outb(info->MCR, uport->iobase + UART_MCR); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 808 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 809 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 810 * Finally, enable interrupts 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 811 */ 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 812 info->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 813 292955a7c011e2 drivers/tty/mxser.c Jiri Slaby 2021-06-18 814 if (info->board->must_hwid) 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 815 info->IER |= MOXA_MUST_IER_EGDAI; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 816 outb(info->IER, uport->iobase + UART_IER); /* enable interrupts */ ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 817 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 818 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 819 * And clear the interrupt registers again for luck. 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 820 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 821 (void) inb(uport->iobase + UART_LSR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 822 (void) inb(uport->iobase + UART_RX); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 823 (void) inb(uport->iobase + UART_IIR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 824 (void) inb(uport->iobase + UART_MSR); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 825 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 826 //kfifo_reset(&port->xmit_fifo); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 827 BUG_ON("kfifo_reset"); 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 828 spin_unlock_irqrestore(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 829 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 830 return 0; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 831 } ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 832 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 833 /* 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 834 * To stop accepting input, we disable the receive line status interrupts, and 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 835 * tell the interrupt driver to stop checking the data ready bit in the line 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 836 * status register. 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 837 */ 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 838 static void mxser_stop_rx(struct uart_port *uport) 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 839 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 840 struct mxser_port *info = to_mport(uport); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 841 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 842 info->IER &= ~UART_IER_RLSI; 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 843 if (info->board->must_hwid) 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 844 info->IER &= ~MOXA_MUST_RECV_ISR; 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 845 e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 846 outb(info->IER, uport->iobase + UART_IER); 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 847 } 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 848 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 849 /* 6769140d304731 drivers/char/mxser.c Alan Cox 2009-11-30 850 * This routine will shutdown a serial port 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 851 */ 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 852 static void mxser_shutdown(struct uart_port *uport) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 853 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 854 struct mxser_port *info = to_mport(uport); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 855 unsigned long flags; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 856 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 857 spin_lock_irqsave(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 858 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 859 BUG_ON("we use kfifo"); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 860 info->IER = 0; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 861 outb(0x00, uport->iobase + UART_IER); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 862 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 863 /* clear Rx/Tx FIFO's */ ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 864 mxser_disable_and_clear_FIFO(info); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 865 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 866 /* read data port to reset things */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 867 (void) inb(uport->iobase + UART_RX); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 868 ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 869 292955a7c011e2 drivers/tty/mxser.c Jiri Slaby 2021-06-18 870 if (info->board->must_hwid) e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 871 mxser_must_no_sw_flow_control(uport->iobase); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 872 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 873 spin_unlock_irqrestore(&uport->lock, flags); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 874 eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 875 /* make sure ISR is not running while we free the buffer */ eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 876 synchronize_irq(info->board->irq); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 877 eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 @878 tty_port_free_xmit_buf(port); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 879 } 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 880 #ifdef OLD 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 881 static void mxser_flush_buffer(struct tty_struct *tty) 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 882 { 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 883 struct mxser_port *info = tty->driver_data; 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 884 struct uart_port *uport = &info->uport; 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 885 unsigned long flags; 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 886 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 887 spin_lock_irqsave(&uport->lock, flags); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 888 kfifo_reset(&info->port.xmit_fifo); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 889 d249e662c3e4a9 drivers/tty/mxser.c Jiri Slaby 2021-09-22 890 outb(info->FCR | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 891 uport->iobase + UART_FCR); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 892 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 893 spin_unlock_irqrestore(&uport->lock, flags); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 894 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 895 tty_wakeup(tty); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 896 } 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 897 :::::: The code at line 771 was first introduced by commit :::::: 06ce2597d9cf82d60bb9871edad91d75e53b10cd mxser: use lock from uart_port :::::: TO: Jiri Slaby :::::: CC: Jiri Slaby --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1070943326982248514==" MIME-Version: 1.0 From: kernel test robot To: kbuild-all@lists.01.org Subject: [jirislaby:devel 22/31] drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' Date: Thu, 06 Jan 2022 15:48:14 +0800 Message-ID: <202201061517.idmER6xz-lkp@intel.com> List-Id: --===============1070943326982248514== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git= devel head: be0ceaad1e9d19def7c3344c8af61e80785f4326 commit: 8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 [22/31] mxser: switch to u= art_driver config: i386-randconfig-r021-20220105 (https://download.01.org/0day-ci/arch= ive/20220106/202201061517.idmER6xz-lkp(a)intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e3= 0ed3acad794dd0aec400e617daffc6cc3d) reproduce (this is a W=3D1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/= make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.g= it/commit/?id=3D8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 git remote add jirislaby https://git.kernel.org/pub/scm/linux/kerne= l/git/jirislaby/linux.git git fetch --no-tags jirislaby devel git checkout 8ffc6c8c0af9b2365bcd837ea4faed75bcecdaa8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross W=3D= 1 O=3Dbuild_dir ARCH=3Di386 SHELL=3D/bin/bash drivers/tty/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' spin_lock_irqsave(&uport->lock, flags); ^ >> drivers/tty/mxser.c:771:34: error: use of undeclared identifier 'flags' drivers/tty/mxser.c:774:40: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ drivers/tty/mxser.c:790:40: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ drivers/tty/mxser.c:828:39: error: use of undeclared identifier 'flags' spin_unlock_irqrestore(&uport->lock, flags); ^ >> drivers/tty/mxser.c:878:25: error: use of undeclared identifier 'port'; = did you mean 'uport'? tty_port_free_xmit_buf(port); ^~~~ uport drivers/tty/mxser.c:852:46: note: 'uport' declared here static void mxser_shutdown(struct uart_port *uport) ^ 6 errors generated. vim +/flags +771 drivers/tty/mxser.c ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 763 = 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 764 static = int mxser_startup(struct uart_port *uport) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 765 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 766 struct= mxser_port *info =3D to_mport(uport); 373f755a1748c2 drivers/tty/mxser.c Jiri Slaby 2021-12-16 767 int re= t; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 768 = 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 769 BUG_ON= ("we use kfifo"); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 770 = 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 @771 spin_l= ock_irqsave(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 772 = 83eaabf7a151de drivers/tty/mxser.c Jiri Slaby 2021-12-10 773 if (!u= port->type) { 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 774 spin_= unlock_irqrestore(&uport->lock, flags); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 775 retur= n -EINVAL; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 776 } 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 777 = ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 778 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 779 * Cle= ar the FIFO buffers and disable them 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 780 * (th= ey will be reenabled in mxser_change_speed()) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 781 */ ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 782 mxser_= disable_and_clear_FIFO(info); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 783 = ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 784 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 785 * At = this point there's no way the LSR could still be 0xFF; 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 786 * if = it is, then bail out, because there's likely no UART 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 787 * her= e. ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 788 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 789 if (in= b(uport->iobase + UART_LSR) =3D=3D 0xff) { 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 790 spin_= unlock_irqrestore(&uport->lock, flags); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 791 retur= n -ENODEV; 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 792 } 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 793 = ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 794 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 795 * Cle= ar the interrupt registers. ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 796 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 797 (void)= inb(uport->iobase + UART_LSR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 798 (void)= inb(uport->iobase + UART_RX); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 799 (void)= inb(uport->iobase + UART_IIR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 800 (void)= inb(uport->iobase + UART_MSR); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 801 = ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 802 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 803 * Now= , initialize the UART ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 804 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 805 outb(U= ART_LCR_WLEN8, uport->iobase + UART_LCR); /* reset DLAB */ 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 806 info->= MCR =3D UART_MCR_DTR | UART_MCR_RTS; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 807 outb(i= nfo->MCR, uport->iobase + UART_MCR); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 808 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 809 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 810 * Fin= ally, enable interrupts 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 811 */ 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 812 info->= IER =3D UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 813 = 292955a7c011e2 drivers/tty/mxser.c Jiri Slaby 2021-06-18 814 if (in= fo->board->must_hwid) 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 815 info-= >IER |=3D MOXA_MUST_IER_EGDAI; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 816 outb(i= nfo->IER, uport->iobase + UART_IER); /* enable interrupts */ ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 817 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 818 /* 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 819 * And= clear the interrupt registers again for luck. 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 820 */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 821 (void)= inb(uport->iobase + UART_LSR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 822 (void)= inb(uport->iobase + UART_RX); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 823 (void)= inb(uport->iobase + UART_IIR); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 824 (void)= inb(uport->iobase + UART_MSR); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 825 = 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 826 //kfif= o_reset(&port->xmit_fifo); 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 827 BUG_ON= ("kfifo_reset"); 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 828 spin_u= nlock_irqrestore(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 829 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 830 return= 0; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 831 } ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 832 = 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 833 /* 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 834 * To s= top accepting input, we disable the receive line status interrupts, and 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 835 * tell= the interrupt driver to stop checking the data ready bit in the line 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 836 * stat= us register. 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 837 */ 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 838 static = void mxser_stop_rx(struct uart_port *uport) 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 839 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 840 struct= mxser_port *info =3D to_mport(uport); e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 841 = 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 842 info->= IER &=3D ~UART_IER_RLSI; 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 843 if (in= fo->board->must_hwid) 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 844 info-= >IER &=3D ~MOXA_MUST_RECV_ISR; 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 845 = e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 846 outb(i= nfo->IER, uport->iobase + UART_IER); 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 847 } 47b722d473824e drivers/tty/mxser.c Jiri Slaby 2021-11-18 848 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 849 /* 6769140d304731 drivers/char/mxser.c Alan Cox 2009-11-30 850 * This= routine will shutdown a serial port 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 851 */ 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 852 static = void mxser_shutdown(struct uart_port *uport) ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 853 { 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 854 struct= mxser_port *info =3D to_mport(uport); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 855 unsign= ed long flags; ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 856 = 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 857 spin_l= ock_irqsave(&uport->lock, flags); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 858 = 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 859 BUG_ON= ("we use kfifo"); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 860 info->= IER =3D 0; e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 861 outb(0= x00, uport->iobase + UART_IER); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 862 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 863 /* cle= ar Rx/Tx FIFO's */ ee7e5e66f2d4fa drivers/tty/mxser.c Jiri Slaby 2021-09-22 864 mxser_= disable_and_clear_FIFO(info); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 865 = 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 866 /* rea= d data port to reset things */ e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 867 (void)= inb(uport->iobase + UART_RX); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 868 = ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 869 = 292955a7c011e2 drivers/tty/mxser.c Jiri Slaby 2021-06-18 870 if (in= fo->board->must_hwid) e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 871 mxser= _must_no_sw_flow_control(uport->iobase); 1c45607ad3eb73 drivers/char/mxser.c Jiri Slaby 2008-02-07 872 = 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 873 spin_u= nlock_irqrestore(&uport->lock, flags); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 874 = eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 875 /* mak= e sure ISR is not running while we free the buffer */ eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 876 synchr= onize_irq(info->board->irq); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 877 = eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 @878 tty_po= rt_free_xmit_buf(port); ^1da177e4c3f41 drivers/char/mxser.c Linus Torvalds 2005-04-16 879 } 8ffc6c8c0af9b2 drivers/tty/mxser.c Jiri Slaby 2021-12-01 880 #ifdef = OLD 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 881 static = void mxser_flush_buffer(struct tty_struct *tty) 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 882 { 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 883 struct= mxser_port *info =3D tty->driver_data; 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 884 struct= uart_port *uport =3D &info->uport; 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 885 unsign= ed long flags; 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 886 = 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 887 spin_l= ock_irqsave(&uport->lock, flags); eca514dff1f0d6 drivers/tty/mxser.c Jiri Slaby 2021-12-15 888 kfifo_= reset(&info->port.xmit_fifo); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 889 = d249e662c3e4a9 drivers/tty/mxser.c Jiri Slaby 2021-09-22 890 outb(i= nfo->FCR | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, e07871afd5d4cd drivers/tty/mxser.c Jiri Slaby 2021-12-10 891 uport= ->iobase + UART_FCR); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 892 = 06ce2597d9cf82 drivers/tty/mxser.c Jiri Slaby 2021-12-10 893 spin_u= nlock_irqrestore(&uport->lock, flags); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 894 = 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 895 tty_wa= keup(tty); 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 896 } 978e595f88a1fb drivers/char/mxser.c Alan Cox 2008-04-30 897 = :::::: The code at line 771 was first introduced by commit :::::: 06ce2597d9cf82d60bb9871edad91d75e53b10cd mxser: use lock from uart_p= ort :::::: TO: Jiri Slaby :::::: CC: Jiri Slaby --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org --===============1070943326982248514==--