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X-CSE-ConnectionGUID: fs1P7QJIQF66U46VMdcd5w== X-CSE-MsgGUID: TExQKfOvTwOrVtya5Q6Kow== X-IronPort-AV: E=McAfee;i="6800,10657,11729"; a="84910633" X-IronPort-AV: E=Sophos;i="6.23,119,1770624000"; d="scan'208";a="84910633" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Mar 2026 15:51:31 -0700 X-CSE-ConnectionGUID: QbsRTqxESqK90bdG2EAqXA== X-CSE-MsgGUID: a/UU85aSTl2QKaM6nhLhLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,119,1770624000"; d="scan'208";a="226508541" Received: from lkp-server01.sh.intel.com (HELO 418530b1a366) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 14 Mar 2026 15:51:28 -0700 Received: from kbuild by 418530b1a366 with local (Exim 4.98.2) (envelope-from ) id 1w1XpN-000000005qN-0fT1; Sat, 14 Mar 2026 22:51:25 +0000 Date: Sun, 15 Mar 2026 06:50:43 +0800 From: kernel test robot To: Zev Weiss Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Jeffery Subject: drivers/tty/serial/8250/8250_aspeed_vuart.c:563:1: warning: the frame size of 1048 bytes is larger than 1024 bytes Message-ID: <202603150627.XIbmGTjI-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Zev, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 80234b5ab240f52fa45d201e899e207b9265ef91 commit: ca03042f0f1221c3173bbe81ebd974b91a4dbb15 serial: 8250_aspeed_vuart: add aspeed, lpc-io-reg and aspeed, lpc-interrupts DT properties date: 4 years, 11 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260315/202603150627.XIbmGTjI-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260315/202603150627.XIbmGTjI-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603150627.XIbmGTjI-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/tty/serial/8250/8250_aspeed_vuart.c: In function 'aspeed_vuart_probe': >> drivers/tty/serial/8250/8250_aspeed_vuart.c:563:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=] 563 | } | ^ vim +563 drivers/tty/serial/8250/8250_aspeed_vuart.c ca03042f0f1221 Zev Weiss 2021-04-11 404 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 405 static int aspeed_vuart_probe(struct platform_device *pdev) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 406 { 8d310c9107a2a3 Oskar Senft 2019-09-05 407 struct of_phandle_args sirq_polarity_sense_args; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 408 struct uart_8250_port port; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 409 struct aspeed_vuart *vuart; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 410 struct device_node *np; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 411 struct resource *res; ca03042f0f1221 Zev Weiss 2021-04-11 412 u32 clk, prop, sirq[2]; ca03042f0f1221 Zev Weiss 2021-04-11 413 int rc, sirq_polarity; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 414 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 415 np = pdev->dev.of_node; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 416 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 417 vuart = devm_kzalloc(&pdev->dev, sizeof(*vuart), GFP_KERNEL); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 418 if (!vuart) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 419 return -ENOMEM; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 420 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 421 vuart->dev = &pdev->dev; 5909c0bf9c7a17 Jeremy Kerr 2018-03-27 422 timer_setup(&vuart->unthrottle_timer, aspeed_vuart_unthrottle_exp, 0); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 423 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 424 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 425 vuart->regs = devm_ioremap_resource(&pdev->dev, res); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 426 if (IS_ERR(vuart->regs)) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 427 return PTR_ERR(vuart->regs); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 428 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 429 memset(&port, 0, sizeof(port)); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 430 port.port.private_data = vuart; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 431 port.port.membase = vuart->regs; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 432 port.port.mapbase = res->start; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 433 port.port.mapsize = resource_size(res); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 434 port.port.startup = aspeed_vuart_startup; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 435 port.port.shutdown = aspeed_vuart_shutdown; 989983ea849d94 Jeremy Kerr 2018-03-27 436 port.port.throttle = aspeed_vuart_throttle; 989983ea849d94 Jeremy Kerr 2018-03-27 437 port.port.unthrottle = aspeed_vuart_unthrottle; 989983ea849d94 Jeremy Kerr 2018-03-27 438 port.port.status = UPSTAT_SYNC_FIFO; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 439 port.port.dev = &pdev->dev; 9b614afe6c8048 Dmitry Safonov 2019-12-13 440 port.port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_8250_CONSOLE); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 441 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 442 rc = sysfs_create_group(&vuart->dev->kobj, &aspeed_vuart_attr_group); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 443 if (rc < 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 444 return rc; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 445 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 446 if (of_property_read_u32(np, "clock-frequency", &clk)) { 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 447 vuart->clk = devm_clk_get(&pdev->dev, NULL); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 448 if (IS_ERR(vuart->clk)) { 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 449 dev_warn(&pdev->dev, 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 450 "clk or clock-frequency not defined\n"); cbafe9d5c34673 Alexey Khoroshilov 2017-07-28 451 rc = PTR_ERR(vuart->clk); cbafe9d5c34673 Alexey Khoroshilov 2017-07-28 452 goto err_sysfs_remove; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 453 } 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 454 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 455 rc = clk_prepare_enable(vuart->clk); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 456 if (rc < 0) cbafe9d5c34673 Alexey Khoroshilov 2017-07-28 457 goto err_sysfs_remove; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 458 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 459 clk = clk_get_rate(vuart->clk); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 460 } 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 461 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 462 /* If current-speed was set, then try not to change it. */ 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 463 if (of_property_read_u32(np, "current-speed", &prop) == 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 464 port.port.custom_divisor = clk / (16 * prop); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 465 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 466 /* Check for shifted address mapping */ 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 467 if (of_property_read_u32(np, "reg-offset", &prop) == 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 468 port.port.mapbase += prop; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 469 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 470 /* Check for registers offset within the devices address range */ 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 471 if (of_property_read_u32(np, "reg-shift", &prop) == 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 472 port.port.regshift = prop; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 473 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 474 /* Check for fifo size */ 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 475 if (of_property_read_u32(np, "fifo-size", &prop) == 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 476 port.port.fifosize = prop; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 477 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 478 /* Check for a fixed line number */ 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 479 rc = of_alias_get_id(np, "serial"); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 480 if (rc >= 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 481 port.port.line = rc; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 482 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 483 port.port.irq = irq_of_parse_and_map(np, 0); 5909c0bf9c7a17 Jeremy Kerr 2018-03-27 484 port.port.handle_irq = aspeed_vuart_handle_irq; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 485 port.port.iotype = UPIO_MEM; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 486 port.port.type = PORT_16550A; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 487 port.port.uartclk = clk; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 488 port.port.flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 489 | UPF_FIXED_PORT | UPF_FIXED_TYPE | UPF_NO_THRE_TEST; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 490 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 491 if (of_property_read_bool(np, "no-loopback-test")) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 492 port.port.flags |= UPF_SKIP_TEST; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 493 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 494 if (port.port.fifosize) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 495 port.capabilities = UART_CAP_FIFO; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 496 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 497 if (of_property_read_bool(np, "auto-flow-control")) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 498 port.capabilities |= UART_CAP_AFE; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 499 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 500 rc = serial8250_register_8250_port(&port); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 501 if (rc < 0) 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 502 goto err_clk_disable; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 503 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 504 vuart->line = rc; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 505 8d310c9107a2a3 Oskar Senft 2019-09-05 506 rc = of_parse_phandle_with_fixed_args( 8d310c9107a2a3 Oskar Senft 2019-09-05 507 np, "aspeed,sirq-polarity-sense", 2, 0, 8d310c9107a2a3 Oskar Senft 2019-09-05 508 &sirq_polarity_sense_args); 8d310c9107a2a3 Oskar Senft 2019-09-05 509 if (rc < 0) { 8d310c9107a2a3 Oskar Senft 2019-09-05 510 dev_dbg(&pdev->dev, 8d310c9107a2a3 Oskar Senft 2019-09-05 511 "aspeed,sirq-polarity-sense property not found\n"); 8d310c9107a2a3 Oskar Senft 2019-09-05 512 } else { 8d310c9107a2a3 Oskar Senft 2019-09-05 513 aspeed_vuart_auto_configure_sirq_polarity( 8d310c9107a2a3 Oskar Senft 2019-09-05 514 vuart, sirq_polarity_sense_args.np, 8d310c9107a2a3 Oskar Senft 2019-09-05 515 sirq_polarity_sense_args.args[0], 8d310c9107a2a3 Oskar Senft 2019-09-05 516 BIT(sirq_polarity_sense_args.args[1])); 8d310c9107a2a3 Oskar Senft 2019-09-05 517 of_node_put(sirq_polarity_sense_args.np); 8d310c9107a2a3 Oskar Senft 2019-09-05 518 } 8d310c9107a2a3 Oskar Senft 2019-09-05 519 ca03042f0f1221 Zev Weiss 2021-04-11 520 rc = of_property_read_u32(np, "aspeed,lpc-io-reg", &prop); ca03042f0f1221 Zev Weiss 2021-04-11 521 if (rc < 0) ca03042f0f1221 Zev Weiss 2021-04-11 522 prop = ASPEED_VUART_DEFAULT_LPC_ADDR; ca03042f0f1221 Zev Weiss 2021-04-11 523 ca03042f0f1221 Zev Weiss 2021-04-11 524 rc = aspeed_vuart_set_lpc_address(vuart, prop); ca03042f0f1221 Zev Weiss 2021-04-11 525 if (rc < 0) { ca03042f0f1221 Zev Weiss 2021-04-11 526 dev_err(&pdev->dev, "invalid value in aspeed,lpc-io-reg property\n"); ca03042f0f1221 Zev Weiss 2021-04-11 527 goto err_clk_disable; ca03042f0f1221 Zev Weiss 2021-04-11 528 } ca03042f0f1221 Zev Weiss 2021-04-11 529 ca03042f0f1221 Zev Weiss 2021-04-11 530 rc = of_property_read_u32_array(np, "aspeed,lpc-interrupts", sirq, 2); ca03042f0f1221 Zev Weiss 2021-04-11 531 if (rc < 0) { ca03042f0f1221 Zev Weiss 2021-04-11 532 sirq[0] = ASPEED_VUART_DEFAULT_SIRQ; ca03042f0f1221 Zev Weiss 2021-04-11 533 sirq[1] = ASPEED_VUART_DEFAULT_SIRQ_POLARITY; ca03042f0f1221 Zev Weiss 2021-04-11 534 } ca03042f0f1221 Zev Weiss 2021-04-11 535 ca03042f0f1221 Zev Weiss 2021-04-11 536 rc = aspeed_vuart_set_sirq(vuart, sirq[0]); ca03042f0f1221 Zev Weiss 2021-04-11 537 if (rc < 0) { ca03042f0f1221 Zev Weiss 2021-04-11 538 dev_err(&pdev->dev, "invalid sirq number in aspeed,lpc-interrupts property\n"); ca03042f0f1221 Zev Weiss 2021-04-11 539 goto err_clk_disable; ca03042f0f1221 Zev Weiss 2021-04-11 540 } ca03042f0f1221 Zev Weiss 2021-04-11 541 ca03042f0f1221 Zev Weiss 2021-04-11 542 sirq_polarity = aspeed_vuart_map_irq_polarity(sirq[1]); ca03042f0f1221 Zev Weiss 2021-04-11 543 if (sirq_polarity < 0) { ca03042f0f1221 Zev Weiss 2021-04-11 544 dev_err(&pdev->dev, "invalid sirq polarity in aspeed,lpc-interrupts property\n"); ca03042f0f1221 Zev Weiss 2021-04-11 545 rc = sirq_polarity; ca03042f0f1221 Zev Weiss 2021-04-11 546 goto err_clk_disable; ca03042f0f1221 Zev Weiss 2021-04-11 547 } ca03042f0f1221 Zev Weiss 2021-04-11 548 ca03042f0f1221 Zev Weiss 2021-04-11 549 aspeed_vuart_set_sirq_polarity(vuart, sirq_polarity); ca03042f0f1221 Zev Weiss 2021-04-11 550 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 551 aspeed_vuart_set_enabled(vuart, true); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 552 aspeed_vuart_set_host_tx_discard(vuart, true); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 553 platform_set_drvdata(pdev, vuart); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 554 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 555 return 0; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 556 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 557 err_clk_disable: 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 558 clk_disable_unprepare(vuart->clk); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 559 irq_dispose_mapping(port.port.irq); cbafe9d5c34673 Alexey Khoroshilov 2017-07-28 560 err_sysfs_remove: cbafe9d5c34673 Alexey Khoroshilov 2017-07-28 561 sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group); 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 562 return rc; 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 @563 } 7fbcf3afe6e8e1 Jeremy Kerr 2017-05-02 564 :::::: The code at line 563 was first introduced by commit :::::: 7fbcf3afe6e8e180bfc39fb3f41657fa6e4af55c drivers/serial: Add driver for Aspeed virtual UART :::::: TO: Jeremy Kerr :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki