Date:   Mon, 3 Oct 2022 21:32:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [jirislaby:devel 20/30] drivers/tty/mxser.c:523:14: error: 'struct
 uart_port' has no member named 'timeout'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   f55cf377e77b490e62c79f252de7820850cf502e
commit: 1d652e61916b0e344ebce141574dd6de5bedbbfc [20/30] mxser: use timeout from uart_port
config: powerpc-allmodconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
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=1d652e61916b0e344ebce141574dd6de5bedbbfc
        git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git
        git fetch --no-tags jirislaby devel
        git checkout 1d652e61916b0e344ebce141574dd6de5bedbbfc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash M=drivers/tty

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

Note: the jirislaby/devel HEAD f55cf377e77b490e62c79f252de7820850cf502e builds fine.
      It only hurts bisectability.

All errors (new ones prefixed by >>):

   drivers/tty/mxser.c: In function 'mxser_set_baud':
>> drivers/tty/mxser.c:523:14: error: 'struct uart_port' has no member named 'timeout'
     523 |         uport->timeout = timeout + HZ / 50; /* Add .02 seconds of slop */
         |              ^~
   drivers/tty/mxser.c: In function 'mxser_wait_until_sent':
   drivers/tty/mxser.c:1455:27: error: 'struct uart_port' has no member named 'timeout'
    1455 |         char_time = (uport->timeout - HZ / 50) / info->xmit_fifo_size;
         |                           ^~
   drivers/tty/mxser.c:1473:44: error: 'struct uart_port' has no member named 'timeout'
    1473 |         if (!timeout || timeout > 2 * uport->timeout)
         |                                            ^~
   drivers/tty/mxser.c:1474:36: error: 'struct uart_port' has no member named 'timeout'
    1474 |                 timeout = 2 * uport->timeout;
         |                                    ^~


vim +523 drivers/tty/mxser.c

   492	
   493	static int mxser_set_baud(struct mxser_port *info, struct ktermios *termios)
   494	{
   495		struct uart_port *uport = &info->uport;
   496		unsigned int quot = 0, baud;
   497		unsigned char cval;
   498		speed_t newspd = tty_termios_baud_rate(termios);
   499		u64 timeout;
   500	
   501		if (newspd > info->board->max_baud)
   502			return -1;
   503	
   504		if (newspd == 134) {
   505			quot = 2 * MXSER_BAUD_BASE / 269;
   506			tty_termios_encode_baud_rate(termios, 134, 134);
   507		} else if (newspd) {
   508			quot = MXSER_BAUD_BASE / newspd;
   509			if (quot == 0)
   510				quot = 1;
   511			baud = MXSER_BAUD_BASE / quot;
   512			tty_termios_encode_baud_rate(termios, baud, baud);
   513		} else {
   514			quot = 0;
   515		}
   516	
   517		/*
   518		 * worst case (128 * 1000 * 10 * 18432) needs 35 bits, so divide in the
   519		 * u64 domain
   520		 */
   521		timeout = (u64)info->xmit_fifo_size * HZ * 10 * quot;
   522		do_div(timeout, MXSER_BAUD_BASE);
 > 523		uport->timeout = timeout + HZ / 50; /* Add .02 seconds of slop */
   524	
   525		if (quot) {
   526			info->MCR |= UART_MCR_DTR;
   527			outb(info->MCR, uport->iobase + UART_MCR);
   528		} else {
   529			info->MCR &= ~UART_MCR_DTR;
   530			outb(info->MCR, uport->iobase + UART_MCR);
   531			return 0;
   532		}
   533	
   534		cval = inb(uport->iobase + UART_LCR);
   535	
   536		outb(cval | UART_LCR_DLAB, uport->iobase + UART_LCR);	/* set DLAB */
   537	
   538		outb(quot & 0xff, uport->iobase + UART_DLL);	/* LS of divisor */
   539		outb(quot >> 8, uport->iobase + UART_DLM);	/* MS of divisor */
   540		outb(cval, uport->iobase + UART_LCR);	/* reset DLAB */
   541	
   542		if ((termios->c_cflag & CBAUD) == BOTHER) {
   543			quot = MXSER_BAUD_BASE % newspd;
   544			quot *= 8;
   545			if (quot % newspd > newspd / 2) {
   546				quot /= newspd;
   547				quot++;
   548			} else
   549				quot /= newspd;
   550	
   551			mxser_set_must_enum_value(uport->iobase, quot);
   552		} else {
   553			mxser_set_must_enum_value(uport->iobase, 0);
   554		}
   555	
   556		return 0;
   557	}
   558	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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