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Message-ID: <202204072341.za6cIui8-lkp@intel.com>
Date: Thu, 7 Apr 2022 23:26:08 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Slaby <jslaby@...e.cz>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [jirislaby:devel 45/50] drivers/tty/serial/men_z135_uart.c:296:40:
error: no member named 'xmit' in 'struct uart_state'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head: 100a309b4d75252d31b3ae0e69d6469ac0e0f522
commit: 977858b1b952395763e2a47a94e69dd0b2f22a42 [45/50] tty: serial, use kfifo
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220407/202204072341.za6cIui8-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6b306233f78876a1d197ed6e1f05785505de7c63)
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=977858b1b952395763e2a47a94e69dd0b2f22a42
git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git
git fetch --no-tags jirislaby devel
git checkout 977858b1b952395763e2a47a94e69dd0b2f22a42
# 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/serial/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/tty/serial/men_z135_uart.c:296:40: error: no member named 'xmit' in 'struct uart_state'
struct circ_buf *xmit = &port->state->xmit;
~~~~~~~~~~~ ^
>> drivers/tty/serial/men_z135_uart.c:306:6: error: implicit declaration of function 'uart_circ_empty' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
if (uart_circ_empty(xmit))
^
>> drivers/tty/serial/men_z135_uart.c:316:9: error: implicit declaration of function 'uart_circ_chars_pending' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
qlen = uart_circ_chars_pending(xmit);
^
>> drivers/tty/serial/men_z135_uart.c:348:13: error: incomplete definition of type 'struct circ_buf'
head = xmit->head & (UART_XMIT_SIZE - 1);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
drivers/tty/serial/men_z135_uart.c:349:13: error: incomplete definition of type 'struct circ_buf'
tail = xmit->tail & (UART_XMIT_SIZE - 1);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
drivers/tty/serial/men_z135_uart.c:354:52: error: incomplete definition of type 'struct circ_buf'
memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
drivers/tty/serial/men_z135_uart.c:354:62: error: incomplete definition of type 'struct circ_buf'
memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
drivers/tty/serial/men_z135_uart.c:355:6: error: incomplete definition of type 'struct circ_buf'
xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
drivers/tty/serial/men_z135_uart.c:355:20: error: incomplete definition of type 'struct circ_buf'
xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1);
~~~~^
drivers/tty/serial/men_z135_uart.c:296:9: note: forward declaration of 'struct circ_buf'
struct circ_buf *xmit = &port->state->xmit;
^
9 errors generated.
vim +296 drivers/tty/serial/men_z135_uart.c
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 287
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 288 /**
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 289 * men_z135_handle_tx() - TX tasklet routine
145f5646be67eb Jiri Slaby 2020-08-18 290 * @uart: Pointer to struct men_z135_port
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 291 *
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 292 */
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 293 static void men_z135_handle_tx(struct men_z135_port *uart)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 294 {
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 295 struct uart_port *port = &uart->port;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 @296 struct circ_buf *xmit = &port->state->xmit;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 297 u32 txc;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 298 u32 wptr;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 299 int qlen;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 300 int n;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 301 int txfree;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 302 int head;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 303 int tail;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 304 int s;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 305
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 @306 if (uart_circ_empty(xmit))
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 307 goto out;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 308
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 309 if (uart_tx_stopped(port))
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 310 goto out;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 311
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 312 if (port->x_char)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 313 goto out;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 314
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 315 /* calculate bytes to copy */
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 @316 qlen = uart_circ_chars_pending(xmit);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 317 if (qlen <= 0)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 318 goto out;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 319
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 320 wptr = ioread32(port->membase + MEN_Z135_TX_CTRL);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 321 txc = (wptr >> 16) & 0x3ff;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 322 wptr &= 0x3ff;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 323
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 324 if (txc > MEN_Z135_FIFO_WATERMARK)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 325 txc = MEN_Z135_FIFO_WATERMARK;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 326
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 327 txfree = MEN_Z135_FIFO_WATERMARK - txc;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 328 if (txfree <= 0) {
01ba8d6af4b76a Johannes Thumshirn 2015-01-19 329 dev_err(&uart->mdev->dev,
01ba8d6af4b76a Johannes Thumshirn 2015-01-19 330 "Not enough room in TX FIFO have %d, need %d\n",
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 331 txfree, qlen);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 332 goto irq_en;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 333 }
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 334
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 335 /* if we're not aligned, it's better to copy only 1 or 2 bytes and
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 336 * then the rest.
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 337 */
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 338 if (align && qlen >= 3 && BYTES_TO_ALIGN(wptr))
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 339 n = 4 - BYTES_TO_ALIGN(wptr);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 340 else if (qlen > txfree)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 341 n = txfree;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 342 else
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 343 n = qlen;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 344
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 345 if (n <= 0)
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 346 goto irq_en;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 347
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 @348 head = xmit->head & (UART_XMIT_SIZE - 1);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 349 tail = xmit->tail & (UART_XMIT_SIZE - 1);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 350
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 351 s = ((head >= tail) ? head : UART_XMIT_SIZE) - tail;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 352 n = min(n, s);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 353
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 354 memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 355 xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 356
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 357 iowrite32(n & 0x3ff, port->membase + MEN_Z135_TX_CTRL);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 358
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 359 port->icount.tx += n;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 360
a9977620a448f1 Johannes Thumshirn 2014-06-16 361 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
a9977620a448f1 Johannes Thumshirn 2014-06-16 362 uart_write_wakeup(port);
a9977620a448f1 Johannes Thumshirn 2014-06-16 363
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 364 irq_en:
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 365 if (!uart_circ_empty(xmit))
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 366 men_z135_reg_set(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_TXCIEN);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 367 else
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 368 men_z135_reg_clr(uart, MEN_Z135_CONF_REG, MEN_Z135_IER_TXCIEN);
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 369
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 370 out:
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 371 return;
e264ebf4c81ac7 Johannes Thumshirn 2014-04-17 372
:::::: The code at line 296 was first introduced by commit
:::::: e264ebf4c81ac733642ed03ee3f0e26914ed3714 tty: serial: Add driver for MEN's 16z135 High Speed UART.
:::::: TO: Johannes Thumshirn <johannes.thumshirn@....de>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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