drivers/tty/serial/8250/8250_aspeed_vuart.c:501:1: warning: the frame size of 1040 bytes is larger than 1024 bytes

From: kbuild test robot
Date: Sat Dec 14 2019 - 00:03:51 EST

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tree: config: mips-randconfig-a001-20191214 compiler: mips64-linux-gcc reproduce:
wget git checkout # save the GCC_VERSION=7.5.0
If you fix the issue, Reported-by: kbuild
All warnings (new
drivers/tty/serial/8250 >> drivers/tty/se }
^

vim +501 drivers/tty/seria
8d310c9107a2a3 Oskar Senft 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 8d310c9107a2a3 Oskar Senft 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 5909c0bf9c7a17 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 989983ea849d94 Jeremy Kerr 989983ea849d94 Jeremy Kerr 989983ea849d94 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr cbafe9d5c34673 Alexey cbafe9d5c34673 Alexey 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr cbafe9d5c34673 Alexey 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 5909c0bf9c7a17 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 8d310c9107a2a3 Oskar Senft 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr cbafe9d5c34673 Alexey cbafe9d5c34673 Alexey 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr 7fbcf3afe6e8e1 Jeremy Kerr
:::::: The code at :::::: 7fbcf3afe6e8e180bfc
:::::: TO: Jeremy :::::: CC: Greg Kroah-Hartman
---
0-DAY kernel test infrastructure Attachment: Description: application/gzip message: Josh Poimboeuf: "Re: linux-next: Tree for Dec 6 (objtool, lots in btrfs)" message: Sean Christopherson: "Re: [PATCH 0/2] KVM: x86: X86_FEATURE bit() cleanup" sorted by: [ date ] [ thread ] [ subject ] [ author ] href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
dfeebdc5d1cfd7e1ef688f
c7bb54dd50f70c65ef5409 drivers/tty/serial/8250: Make Aspeed VUART SIRQ polarity configurable
(attached as .config)
(GCC) 7.5.0
rel="nofollow" href="https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross">https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
8d310c9107a2a3f19dc7bb54dd50f70c65ef5409
attached .config to linux build tree
make.cross ARCH=mips
kindly add following tag
test robot <lkp@xxxxxxxxx>
ones prefixed by >>):
/8250_aspeed_vuart.c: In function 'aspeed_vuart_probe':
rial/8250/8250_aspeed_vuart.c:501:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=]
l/8250/8250_aspeed_vuart.c
2019-09-05 373
2017-05-02 374 static int aspeed_vuart_probe(struct platform_device *pdev)
2017-05-02 375 {
2019-09-05 376 struct of_phandle_args sirq_polarity_sense_args;
2017-05-02 377 struct uart_8250_port port;
2017-05-02 378 struct aspeed_vuart *vuart;
2017-05-02 379 struct device_node *np;
2017-05-02 380 struct resource *res;
2017-05-02 381 u32 clk, prop;
2017-05-02 382 int rc;
2017-05-02 383
2017-05-02 384 np = pdev->dev.of_node;
2017-05-02 385
2017-05-02 386 vuart = devm_kzalloc(&pdev->dev, sizeof(*vuart), GFP_KERNEL);
2017-05-02 387 if (!vuart)
2017-05-02 388 return -ENOMEM;
2017-05-02 389
2017-05-02 390 vuart->dev = &pdev->dev;
2018-03-27 391 timer_setup(&vuart->unthrottle_timer, aspeed_vuart_unthrottle_exp, 0);
2017-05-02 392
2017-05-02 393 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2017-05-02 394 vuart->regs = devm_ioremap_resource(&pdev->dev, res);
2017-05-02 395 if (IS_ERR(vuart->regs))
2017-05-02 396 return PTR_ERR(vuart->regs);
2017-05-02 397
2017-05-02 398 memset(&port, 0, sizeof(port));
2017-05-02 399 port.port.private_data = vuart;
2017-05-02 400 port.port.membase = vuart->regs;
2017-05-02 401 port.port.mapbase = res->start;
2017-05-02 402 port.port.mapsize = resource_size(res);
2017-05-02 403 port.port.startup = aspeed_vuart_startup;
2017-05-02 404 port.port.shutdown = aspeed_vuart_shutdown;
2018-03-27 405 port.port.throttle = aspeed_vuart_throttle;
2018-03-27 406 port.port.unthrottle = aspeed_vuart_unthrottle;
2018-03-27 407 port.port.status = UPSTAT_SYNC_FIFO;
2017-05-02 408 port.port.dev = &pdev->dev;
2017-05-02 409
2017-05-02 410 rc = sysfs_create_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
2017-05-02 411 if (rc < 0)
2017-05-02 412 return rc;
2017-05-02 413
2017-05-02 414 if (of_property_read_u32(np, "clock-frequency", &clk)) {
2017-05-02 415 vuart->clk = devm_clk_get(&pdev->dev, NULL);
2017-05-02 416 if (IS_ERR(vuart->clk)) {
2017-05-02 417 dev_warn(&pdev->dev,
2017-05-02 418 "clk or clock-frequency not defined\n");
Khoroshilov 2017-07-28 419 rc = PTR_ERR(vuart->clk);
Khoroshilov 2017-07-28 420 goto err_sysfs_remove;
2017-05-02 421 }
2017-05-02 422
2017-05-02 423 rc = clk_prepare_enable(vuart->clk);
2017-05-02 424 if (rc < 0)
Khoroshilov 2017-07-28 425 goto err_sysfs_remove;
2017-05-02 426
2017-05-02 427 clk = clk_get_rate(vuart->clk);
2017-05-02 428 }
2017-05-02 429
2017-05-02 430 /* If current-speed was set, then try not to change it. */
2017-05-02 431 if (of_property_read_u32(np, "current-speed", &prop) == 0)
2017-05-02 432 port.port.custom_divisor = clk / (16 * prop);
2017-05-02 433
2017-05-02 434 /* Check for shifted address mapping */
2017-05-02 435 if (of_property_read_u32(np, "reg-offset", &prop) == 0)
2017-05-02 436 port.port.mapbase += prop;
2017-05-02 437
2017-05-02 438 /* Check for registers offset within the devices address range */
2017-05-02 439 if (of_property_read_u32(np, "reg-shift", &prop) == 0)
2017-05-02 440 port.port.regshift = prop;
2017-05-02 441
2017-05-02 442 /* Check for fifo size */
2017-05-02 443 if (of_property_read_u32(np, "fifo-size", &prop) == 0)
2017-05-02 444 port.port.fifosize = prop;
2017-05-02 445
2017-05-02 446 /* Check for a fixed line number */
2017-05-02 447 rc = of_alias_get_id(np, "serial");
2017-05-02 448 if (rc >= 0)
2017-05-02 449 port.port.line = rc;
2017-05-02 450
2017-05-02 451 port.port.irq = irq_of_parse_and_map(np, 0);
2017-05-02 452 port.port.irqflags = IRQF_SHARED;
2018-03-27 453 port.port.handle_irq = aspeed_vuart_handle_irq;
2017-05-02 454 port.port.iotype = UPIO_MEM;
2017-05-02 455 port.port.type = PORT_16550A;
2017-05-02 456 port.port.uartclk = clk;
2017-05-02 457 port.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF
2017-05-02 458 | UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_NO_THRE_TEST;
2017-05-02 459
2017-05-02 460 if (of_property_read_bool(np, "no-loopback-test"))
2017-05-02 461 port.port.flags |= UPF_SKIP_TEST;
2017-05-02 462
2017-05-02 463 if (port.port.fifosize)
2017-05-02 464 port.capabilities = UART_CAP_FIFO;
2017-05-02 465
2017-05-02 466 if (of_property_read_bool(np, "auto-flow-control"))
2017-05-02 467 port.capabilities |= UART_CAP_AFE;
2017-05-02 468
2017-05-02 469 rc = serial8250_register_8250_port(&port);
2017-05-02 470 if (rc < 0)
2017-05-02 471 goto err_clk_disable;
2017-05-02 472
2017-05-02 473 vuart->line = rc;
2017-05-02 474
2019-09-05 475 rc = of_parse_phandle_with_fixed_args(
2019-09-05 476 np, "aspeed,sirq-polarity-sense", 2, 0,
2019-09-05 477 &sirq_polarity_sense_args);
2019-09-05 478 if (rc < 0) {
2019-09-05 479 dev_dbg(&pdev->dev,
2019-09-05 480 "aspeed,sirq-polarity-sense property not found\n");
2019-09-05 481 } else {
2019-09-05 482 aspeed_vuart_auto_configure_sirq_polarity(
2019-09-05 483 vuart, sirq_polarity_sense_args.np,
2019-09-05 484 sirq_polarity_sense_args.args[0],
2019-09-05 485 BIT(sirq_polarity_sense_args.args[1]));
2019-09-05 486 of_node_put(sirq_polarity_sense_args.np);
2019-09-05 487 }
2019-09-05 488
2017-05-02 489 aspeed_vuart_set_enabled(vuart, true);
2017-05-02 490 aspeed_vuart_set_host_tx_discard(vuart, true);
2017-05-02 491 platform_set_drvdata(pdev, vuart);
2017-05-02 492
2017-05-02 493 return 0;
2017-05-02 494
2017-05-02 495 err_clk_disable:
2017-05-02 496 clk_disable_unprepare(vuart->clk);
2017-05-02 497 irq_dispose_mapping(port.port.irq);
Khoroshilov 2017-07-28 498 err_sysfs_remove:
Khoroshilov 2017-07-28 499 sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group);
2017-05-02 500 return rc;
2017-05-02 @501 }
2017-05-02 502
line 501 was first introduced by commit
39fb3f41657fa6e4af55c drivers/serial: Add driver for Aspeed virtual UART
Kerr <jk@xxxxxxxxxx>
<gregkh@xxxxxxxxxxxxxxxxxxx>
Open Source Technology Center
href="https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx">https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
>.config.gz

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