* [johan-usb-serial:usb-linus 7/12] drivers/usb/serial/io_edgeport.c:2320 edge_set_termios() warn: inconsistent indenting
@ 2026-10-29 22:05 kernel test robot
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From: kernel test robot @ 2026-10-29 22:05 UTC (permalink / raw)
To: Johan Hovold; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial.git usb-linus
head: ab89a9dab02d9553eb0cc27fd3e4a4998acbc8e9
commit: febadc65a4ef8d08a12e76d6ec50834d72cc0e59 [7/12] USB: serial: io_edgeport: move initial termios update to open()
config: parisc-randconfig-r2201-20261029 (https://download.01.org/0day-ci/archive/20261029/202610292246.UtbEkoLN-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.5.0
smatch: v0.5.0-9187-g5189e3fb
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610292246.UtbEkoLN-lkp@intel.com/
smatch warnings:
drivers/usb/serial/io_edgeport.c:2320 edge_set_termios() warn: inconsistent indenting
vim +2320 drivers/usb/serial/io_edgeport.c
^1da177e4c3f415 Linus Torvalds 2005-04-16 2297
^1da177e4c3f415 Linus Torvalds 2005-04-16 2298
febadc65a4ef8d0 Johan Hovold 2026-10-23 2299 static void edge_set_termios(struct tty_struct *tty, struct usb_serial_port *port,
febadc65a4ef8d0 Johan Hovold 2026-10-23 2300 const struct ktermios *old_termios)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2301 {
febadc65a4ef8d0 Johan Hovold 2026-10-23 2302 struct edgeport_serial *edge_serial = usb_get_serial_data(port->serial);
febadc65a4ef8d0 Johan Hovold 2026-10-23 2303 struct edgeport_port *edge_port = usb_get_serial_port_data(port);
febadc65a4ef8d0 Johan Hovold 2026-10-23 2304 struct device *dev = &port->dev;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2305 int baud;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2306 unsigned cflag;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2307 __u8 mask = 0xff;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2308 __u8 lData;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2309 __u8 lParity;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2310 __u8 lStop;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2311 __u8 rxFlow;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2312 __u8 txFlow;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2313 int status;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2314
adc8d746caa67ff Alan Cox 2012-07-14 2315 cflag = tty->termios.c_cflag;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2316
^1da177e4c3f415 Linus Torvalds 2005-04-16 2317 switch (cflag & CSIZE) {
03f0dbf74c7a117 Alan Cox 2008-07-22 2318 case CS5:
03f0dbf74c7a117 Alan Cox 2008-07-22 2319 lData = LCR_BITS_5; mask = 0x1f;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 @2320 dev_dbg(dev, "%s - data bits = 5\n", __func__);
03f0dbf74c7a117 Alan Cox 2008-07-22 2321 break;
03f0dbf74c7a117 Alan Cox 2008-07-22 2322 case CS6:
03f0dbf74c7a117 Alan Cox 2008-07-22 2323 lData = LCR_BITS_6; mask = 0x3f;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2324 dev_dbg(dev, "%s - data bits = 6\n", __func__);
03f0dbf74c7a117 Alan Cox 2008-07-22 2325 break;
03f0dbf74c7a117 Alan Cox 2008-07-22 2326 case CS7:
03f0dbf74c7a117 Alan Cox 2008-07-22 2327 lData = LCR_BITS_7; mask = 0x7f;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2328 dev_dbg(dev, "%s - data bits = 7\n", __func__);
03f0dbf74c7a117 Alan Cox 2008-07-22 2329 break;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2330 default:
03f0dbf74c7a117 Alan Cox 2008-07-22 2331 case CS8:
03f0dbf74c7a117 Alan Cox 2008-07-22 2332 lData = LCR_BITS_8;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2333 dev_dbg(dev, "%s - data bits = 8\n", __func__);
03f0dbf74c7a117 Alan Cox 2008-07-22 2334 break;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2335 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2336
^1da177e4c3f415 Linus Torvalds 2005-04-16 2337 lParity = LCR_PAR_NONE;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2338 if (cflag & PARENB) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2339 if (cflag & CMSPAR) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2340 if (cflag & PARODD) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2341 lParity = LCR_PAR_MARK;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2342 dev_dbg(dev, "%s - parity = mark\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2343 } else {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2344 lParity = LCR_PAR_SPACE;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2345 dev_dbg(dev, "%s - parity = space\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2346 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2347 } else if (cflag & PARODD) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2348 lParity = LCR_PAR_ODD;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2349 dev_dbg(dev, "%s - parity = odd\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2350 } else {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2351 lParity = LCR_PAR_EVEN;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2352 dev_dbg(dev, "%s - parity = even\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2353 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2354 } else {
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2355 dev_dbg(dev, "%s - parity = none\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2356 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2357
^1da177e4c3f415 Linus Torvalds 2005-04-16 2358 if (cflag & CSTOPB) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2359 lStop = LCR_STOP_2;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2360 dev_dbg(dev, "%s - stop bits = 2\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2361 } else {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2362 lStop = LCR_STOP_1;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2363 dev_dbg(dev, "%s - stop bits = 1\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2364 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2365
^1da177e4c3f415 Linus Torvalds 2005-04-16 2366 /* figure out the flow control settings */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2367 rxFlow = txFlow = 0x00;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2368 if (cflag & CRTSCTS) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2369 rxFlow |= IOSP_RX_FLOW_RTS;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2370 txFlow |= IOSP_TX_FLOW_CTS;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2371 dev_dbg(dev, "%s - RTS/CTS is enabled\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2372 } else {
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2373 dev_dbg(dev, "%s - RTS/CTS is disabled\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2374 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2375
03f0dbf74c7a117 Alan Cox 2008-07-22 2376 /* if we are implementing XON/XOFF, set the start and stop character
03f0dbf74c7a117 Alan Cox 2008-07-22 2377 in the device */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2378 if (I_IXOFF(tty) || I_IXON(tty)) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2379 unsigned char stop_char = STOP_CHAR(tty);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2380 unsigned char start_char = START_CHAR(tty);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2381
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2382 if (!edge_serial->is_epic ||
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2383 edge_serial->epic_descriptor.Supports.IOSPSetXChar) {
03f0dbf74c7a117 Alan Cox 2008-07-22 2384 send_iosp_ext_cmd(edge_port,
03f0dbf74c7a117 Alan Cox 2008-07-22 2385 IOSP_CMD_SET_XON_CHAR, start_char);
03f0dbf74c7a117 Alan Cox 2008-07-22 2386 send_iosp_ext_cmd(edge_port,
03f0dbf74c7a117 Alan Cox 2008-07-22 2387 IOSP_CMD_SET_XOFF_CHAR, stop_char);
6e8cf7751f9fb91 Greg Kroah-Hartman 2007-01-18 2388 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2389
^1da177e4c3f415 Linus Torvalds 2005-04-16 2390 /* if we are implementing INBOUND XON/XOFF */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2391 if (I_IXOFF(tty)) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2392 rxFlow |= IOSP_RX_FLOW_XON_XOFF;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2393 dev_dbg(dev, "%s - INBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n",
03f0dbf74c7a117 Alan Cox 2008-07-22 2394 __func__, start_char, stop_char);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2395 } else {
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2396 dev_dbg(dev, "%s - INBOUND XON/XOFF is disabled\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2397 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2398
^1da177e4c3f415 Linus Torvalds 2005-04-16 2399 /* if we are implementing OUTBOUND XON/XOFF */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2400 if (I_IXON(tty)) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2401 txFlow |= IOSP_TX_FLOW_XON_XOFF;
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2402 dev_dbg(dev, "%s - OUTBOUND XON/XOFF is enabled, XON = %2x, XOFF = %2x\n",
03f0dbf74c7a117 Alan Cox 2008-07-22 2403 __func__, start_char, stop_char);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2404 } else {
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2405 dev_dbg(dev, "%s - OUTBOUND XON/XOFF is disabled\n", __func__);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2406 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2407 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2408
^1da177e4c3f415 Linus Torvalds 2005-04-16 2409 /* Set flow control to the configured value */
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2410 if (!edge_serial->is_epic ||
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2411 edge_serial->epic_descriptor.Supports.IOSPSetRxFlow)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2412 send_iosp_ext_cmd(edge_port, IOSP_CMD_SET_RX_FLOW, rxFlow);
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2413 if (!edge_serial->is_epic ||
232dce89b5b0007 Geyslan G. Bem 2015-12-11 2414 edge_serial->epic_descriptor.Supports.IOSPSetTxFlow)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2415 send_iosp_ext_cmd(edge_port, IOSP_CMD_SET_TX_FLOW, txFlow);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2416
^1da177e4c3f415 Linus Torvalds 2005-04-16 2417
^1da177e4c3f415 Linus Torvalds 2005-04-16 2418 edge_port->shadowLCR &= ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2419 edge_port->shadowLCR |= (lData | lParity | lStop);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2420
^1da177e4c3f415 Linus Torvalds 2005-04-16 2421 edge_port->validDataMask = mask;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2422
^1da177e4c3f415 Linus Torvalds 2005-04-16 2423 /* Send the updated LCR value to the EdgePort */
03f0dbf74c7a117 Alan Cox 2008-07-22 2424 status = send_cmd_write_uart_register(edge_port, LCR,
03f0dbf74c7a117 Alan Cox 2008-07-22 2425 edge_port->shadowLCR);
03f0dbf74c7a117 Alan Cox 2008-07-22 2426 if (status != 0)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2427 return;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2428
^1da177e4c3f415 Linus Torvalds 2005-04-16 2429 /* set up the MCR register and send it to the EdgePort */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2430 edge_port->shadowMCR = MCR_MASTER_IE;
03f0dbf74c7a117 Alan Cox 2008-07-22 2431 if (cflag & CBAUD)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2432 edge_port->shadowMCR |= (MCR_DTR | MCR_RTS);
03f0dbf74c7a117 Alan Cox 2008-07-22 2433
03f0dbf74c7a117 Alan Cox 2008-07-22 2434 status = send_cmd_write_uart_register(edge_port, MCR,
03f0dbf74c7a117 Alan Cox 2008-07-22 2435 edge_port->shadowMCR);
03f0dbf74c7a117 Alan Cox 2008-07-22 2436 if (status != 0)
^1da177e4c3f415 Linus Torvalds 2005-04-16 2437 return;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2438
^1da177e4c3f415 Linus Torvalds 2005-04-16 2439 /* Determine divisor based on baud rate */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2440 baud = tty_get_baud_rate(tty);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2441 if (!baud) {
^1da177e4c3f415 Linus Torvalds 2005-04-16 2442 /* pick a default, any default... */
^1da177e4c3f415 Linus Torvalds 2005-04-16 2443 baud = 9600;
^1da177e4c3f415 Linus Torvalds 2005-04-16 2444 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2445
984f68683298ba5 Greg Kroah-Hartman 2012-09-18 2446 dev_dbg(dev, "%s - baud rate = %d\n", __func__, baud);
^1da177e4c3f415 Linus Torvalds 2005-04-16 2447 status = send_cmd_write_baud_rate(edge_port, baud);
febadc65a4ef8d0 Johan Hovold 2026-10-23 2448 if (status == -1 && old_termios) {
6ce073bd8be0a74 Alan Cox 2007-10-18 2449 /* Speed change was not possible - put back the old speed */
6ce073bd8be0a74 Alan Cox 2007-10-18 2450 baud = tty_termios_baud_rate(old_termios);
6ce073bd8be0a74 Alan Cox 2007-10-18 2451 tty_encode_baud_rate(tty, baud, baud);
6ce073bd8be0a74 Alan Cox 2007-10-18 2452 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2453 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 2454
:::::: The code at line 2320 was first introduced by commit
:::::: 984f68683298ba53af32f909de1f9452fbb37ccb USB: serial: io_edgeport.c: remove dbg() usage
:::::: TO: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--
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https://github.com/intel/lkp-tests/wiki
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2026-10-29 22:05 [johan-usb-serial:usb-linus 7/12] drivers/usb/serial/io_edgeport.c:2320 edge_set_termios() warn: inconsistent indenting kernel test robot
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