From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B746C77B7C for ; Sat, 29 Apr 2023 18:03:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229643AbjD2SDQ (ORCPT ); Sat, 29 Apr 2023 14:03:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbjD2SDO (ORCPT ); Sat, 29 Apr 2023 14:03:14 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6E3810F3 for ; Sat, 29 Apr 2023 11:03:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682791392; x=1714327392; h=date:from:to:cc:subject:message-id:mime-version; bh=I2/qKAWoUmG0az4HA8yWRYJtPm2gJFGA2ICByMsyvtQ=; b=eZEwvsMHNDJ+ymCq63N9nJuRXzZStW/koeRwRKyo+v2F8JNpadTlaO/z 7rraCuk9w/l94GqrR7zGdf5aAWD0ec+TN8FB3nB0N1PVrTJzNdK6KskEP YEXJn5WXyEuD3lE+Z0r5CTm3dka514JFLAsFOZgEv0PcnsvMquT1iGXZT soVVYD43mha5hAClywGhAqA81Y6pzbXyONBDNf0YIF4JW4N7eJ+VyltbZ rbdQ3hZHiiIJxQ3Fv6He4PerCxjuZpcIHIRVSlMT1GSv/1jte7tc1HFO9 CluPa5EI+oYyzyZbNLW7W0Y/2cGkITzn4J2EwVyZKOPZHZl5uWllnVbvw A==; X-IronPort-AV: E=McAfee;i="6600,9927,10695"; a="413367572" X-IronPort-AV: E=Sophos;i="5.99,237,1677571200"; d="scan'208";a="413367572" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2023 11:03:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10695"; a="941533402" X-IronPort-AV: E=Sophos;i="5.99,237,1677571200"; d="scan'208";a="941533402" Received: from lkp-server01.sh.intel.com (HELO 5bad9d2b7fcb) ([10.239.97.150]) by fmsmga006.fm.intel.com with ESMTP; 29 Apr 2023 11:03:10 -0700 Received: from kbuild by 5bad9d2b7fcb with local (Exim 4.96) (envelope-from ) id 1psoub-0001Hl-1X; Sat, 29 Apr 2023 18:03:09 +0000 Date: Sun, 30 Apr 2023 02:02:16 +0800 From: kernel test robot To: Nathan Chancellor Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, "Russell King (Oracle)" Subject: arch/arm/common/locomo.c:368: warning: expecting prototype for locomo_probe(). Prototype was for __locomo_probe() instead Message-ID: <202304300144.OnqQzv1X-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Nathan, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 89d77f71f493a3663b10fa812d17f472935d24be commit: 5eb6e280432ddc9b755193552f3a070da8d7455c ARM: 9289/1: Allow pre-ARMv5 builds with ld.lld 16.0.0 and newer date: 3 months ago config: arm-collie_defconfig (https://download.01.org/0day-ci/archive/20230430/202304300144.OnqQzv1X-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5eb6e280432ddc9b755193552f3a070da8d7455c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 5eb6e280432ddc9b755193552f3a070da8d7455c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/common/ drivers/pcmcia/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304300144.OnqQzv1X-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/arm/common/locomo.c:368: warning: Function parameter or member 'me' not described in '__locomo_probe' arch/arm/common/locomo.c:368: warning: Function parameter or member 'mem' not described in '__locomo_probe' arch/arm/common/locomo.c:368: warning: Function parameter or member 'irq' not described in '__locomo_probe' >> arch/arm/common/locomo.c:368: warning: expecting prototype for locomo_probe(). Prototype was for __locomo_probe() instead -- >> drivers/pcmcia/pxa2xx_sharpsl.c:206:5: warning: no previous prototype for function 'pcmcia_collie_init' [-Wmissing-prototypes] int pcmcia_collie_init(struct device *dev) ^ drivers/pcmcia/pxa2xx_sharpsl.c:206:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pcmcia_collie_init(struct device *dev) ^ static 1 warning generated. vim +368 arch/arm/common/locomo.c b38d950d3aedf9 John Lenz 2005-09-08 352 4ebf2d00260bac Pavel Machek 2006-03-15 353 ^1da177e4c3f41 Linus Torvalds 2005-04-16 354 /** ^1da177e4c3f41 Linus Torvalds 2005-04-16 355 * locomo_probe - probe for a single LoCoMo chip. ^1da177e4c3f41 Linus Torvalds 2005-04-16 356 * @phys_addr: physical address of device. ^1da177e4c3f41 Linus Torvalds 2005-04-16 357 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 358 * Probe for a LoCoMo chip. This must be called ^1da177e4c3f41 Linus Torvalds 2005-04-16 359 * before any other locomo-specific code. ^1da177e4c3f41 Linus Torvalds 2005-04-16 360 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 361 * Returns: ^1da177e4c3f41 Linus Torvalds 2005-04-16 362 * %-ENODEV device not found. ^1da177e4c3f41 Linus Torvalds 2005-04-16 363 * %-EBUSY physical address already marked in-use. ^1da177e4c3f41 Linus Torvalds 2005-04-16 364 * %0 successful. ^1da177e4c3f41 Linus Torvalds 2005-04-16 365 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 366 static int ^1da177e4c3f41 Linus Torvalds 2005-04-16 367 __locomo_probe(struct device *me, struct resource *mem, int irq) ^1da177e4c3f41 Linus Torvalds 2005-04-16 @368 { ac609d266e4af4 Eric Miao 2010-02-04 369 struct locomo_platform_data *pdata = me->platform_data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 370 struct locomo *lchip; ^1da177e4c3f41 Linus Torvalds 2005-04-16 371 unsigned long r; ^1da177e4c3f41 Linus Torvalds 2005-04-16 372 int i, ret = -ENODEV; ^1da177e4c3f41 Linus Torvalds 2005-04-16 373 d2a02b93cf7820 Russell King 2006-03-20 374 lchip = kzalloc(sizeof(struct locomo), GFP_KERNEL); ^1da177e4c3f41 Linus Torvalds 2005-04-16 375 if (!lchip) ^1da177e4c3f41 Linus Torvalds 2005-04-16 376 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 377 ^1da177e4c3f41 Linus Torvalds 2005-04-16 378 spin_lock_init(&lchip->lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 379 ^1da177e4c3f41 Linus Torvalds 2005-04-16 380 lchip->dev = me; ^1da177e4c3f41 Linus Torvalds 2005-04-16 381 dev_set_drvdata(lchip->dev, lchip); ^1da177e4c3f41 Linus Torvalds 2005-04-16 382 ^1da177e4c3f41 Linus Torvalds 2005-04-16 383 lchip->phys = mem->start; ^1da177e4c3f41 Linus Torvalds 2005-04-16 384 lchip->irq = irq; ac609d266e4af4 Eric Miao 2010-02-04 385 lchip->irq_base = (pdata) ? pdata->irq_base : NO_IRQ; ^1da177e4c3f41 Linus Torvalds 2005-04-16 386 ^1da177e4c3f41 Linus Torvalds 2005-04-16 387 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 388 * Map the whole region. This also maps the ^1da177e4c3f41 Linus Torvalds 2005-04-16 389 * registers for our children. ^1da177e4c3f41 Linus Torvalds 2005-04-16 390 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 391 lchip->base = ioremap(mem->start, PAGE_SIZE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 392 if (!lchip->base) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 393 ret = -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 394 goto out; ^1da177e4c3f41 Linus Torvalds 2005-04-16 395 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 396 ^1da177e4c3f41 Linus Torvalds 2005-04-16 397 /* locomo initialize */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 398 locomo_writel(0, lchip->base + LOCOMO_ICR); ^1da177e4c3f41 Linus Torvalds 2005-04-16 399 /* KEYBOARD */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 400 locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 401 ^1da177e4c3f41 Linus Torvalds 2005-04-16 402 /* GPIO */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 403 locomo_writel(0, lchip->base + LOCOMO_GPO); 2a52efb2cecf78 Thomas Kunze 2008-04-29 404 locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 405 , lchip->base + LOCOMO_GPE); 2a52efb2cecf78 Thomas Kunze 2008-04-29 406 locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 407 , lchip->base + LOCOMO_GPD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 408 locomo_writel(0, lchip->base + LOCOMO_GIE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 409 e4423781850025 Richard Purdie 2006-06-26 410 /* Frontlight */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 411 locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); ^1da177e4c3f41 Linus Torvalds 2005-04-16 412 locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD); 4ebf2d00260bac Pavel Machek 2006-03-15 413 ^1da177e4c3f41 Linus Torvalds 2005-04-16 414 /* Longtime timer */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 415 locomo_writel(0, lchip->base + LOCOMO_LTINT); ^1da177e4c3f41 Linus Torvalds 2005-04-16 416 /* SPI */ 1b0d76cb9d5a65 H Hartley Sweeten 2010-03-22 417 locomo_writel(0, lchip->base + LOCOMO_SPI + LOCOMO_SPIIE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 418 ^1da177e4c3f41 Linus Torvalds 2005-04-16 419 locomo_writel(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 420 r = locomo_readl(lchip->base + LOCOMO_ASD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 421 r |= 0x8000; ^1da177e4c3f41 Linus Torvalds 2005-04-16 422 locomo_writel(r, lchip->base + LOCOMO_ASD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 423 ^1da177e4c3f41 Linus Torvalds 2005-04-16 424 locomo_writel(6 + 8 + 320 + 30 - 10 - 128 + 4, lchip->base + LOCOMO_HSD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 425 r = locomo_readl(lchip->base + LOCOMO_HSD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 426 r |= 0x8000; ^1da177e4c3f41 Linus Torvalds 2005-04-16 427 locomo_writel(r, lchip->base + LOCOMO_HSD); ^1da177e4c3f41 Linus Torvalds 2005-04-16 428 ^1da177e4c3f41 Linus Torvalds 2005-04-16 429 locomo_writel(128 / 8, lchip->base + LOCOMO_HSC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 430 ^1da177e4c3f41 Linus Torvalds 2005-04-16 431 /* XON */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 432 locomo_writel(0x80, lchip->base + LOCOMO_TADC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 433 udelay(1000); ^1da177e4c3f41 Linus Torvalds 2005-04-16 434 /* CLK9MEN */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 435 r = locomo_readl(lchip->base + LOCOMO_TADC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 436 r |= 0x10; ^1da177e4c3f41 Linus Torvalds 2005-04-16 437 locomo_writel(r, lchip->base + LOCOMO_TADC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 438 udelay(100); ^1da177e4c3f41 Linus Torvalds 2005-04-16 439 ^1da177e4c3f41 Linus Torvalds 2005-04-16 440 /* init DAC */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 441 r = locomo_readl(lchip->base + LOCOMO_DAC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 442 r |= LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB; ^1da177e4c3f41 Linus Torvalds 2005-04-16 443 locomo_writel(r, lchip->base + LOCOMO_DAC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 444 ^1da177e4c3f41 Linus Torvalds 2005-04-16 445 r = locomo_readl(lchip->base + LOCOMO_VER); ^1da177e4c3f41 Linus Torvalds 2005-04-16 446 printk(KERN_INFO "LoCoMo Chip: %lu%lu\n", (r >> 8), (r & 0xff)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 447 ^1da177e4c3f41 Linus Torvalds 2005-04-16 448 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 449 * The interrupt controller must be initialised before any ^1da177e4c3f41 Linus Torvalds 2005-04-16 450 * other device to ensure that the interrupts are available. ^1da177e4c3f41 Linus Torvalds 2005-04-16 451 */ ac609d266e4af4 Eric Miao 2010-02-04 452 if (lchip->irq != NO_IRQ && lchip->irq_base != NO_IRQ) ^1da177e4c3f41 Linus Torvalds 2005-04-16 453 locomo_setup_irq(lchip); ^1da177e4c3f41 Linus Torvalds 2005-04-16 454 ^1da177e4c3f41 Linus Torvalds 2005-04-16 455 for (i = 0; i < ARRAY_SIZE(locomo_devices); i++) ^1da177e4c3f41 Linus Torvalds 2005-04-16 456 locomo_init_one_child(lchip, &locomo_devices[i]); ^1da177e4c3f41 Linus Torvalds 2005-04-16 457 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 458 ^1da177e4c3f41 Linus Torvalds 2005-04-16 459 out: ^1da177e4c3f41 Linus Torvalds 2005-04-16 460 kfree(lchip); ^1da177e4c3f41 Linus Torvalds 2005-04-16 461 return ret; ^1da177e4c3f41 Linus Torvalds 2005-04-16 462 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 463 :::::: The code at line 368 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests