From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 254343890EA for ; Tue, 24 Mar 2026 02:57:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774321072; cv=none; b=jeRA3Jd78FZWV72ldF7lOxrfgWj1RoNNd9EtYWfUBrllVD38fG28Jh2q35Ckra1OgST5bjBVD3SeF2p1G8+3lPTZbc4yWDbJYElPNDsFGK4rAZWrLTWsekS+iac1LpwStsTkfIphiQuUmiUMixtPF42/bb6FXypKlMQm5KK9jW8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774321072; c=relaxed/simple; bh=jSEuPaPU6cuJVO69gnusknFC6mzYSI6jefKVTrUk1Z8=; h=Date:From:To:Cc:Subject:Message-ID; b=epJGx7ZqvsKtPb5nKu7i0npuic68pIIbqAYf1kXhdACDeigFollkx37bSeWjZCQUE0rE90D7l6UidogtDvkCvsxtbrm2s+OektR2XuZGyHGsmkFCPs8TmD2uguvSiQ951CngZ+mL/GvgodQxQPLoVS2PeucRbRTMGOk1NQOzI8k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Fx80beVC; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Fx80beVC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774321071; x=1805857071; h=date:from:to:cc:subject:message-id; bh=jSEuPaPU6cuJVO69gnusknFC6mzYSI6jefKVTrUk1Z8=; b=Fx80beVC7Desqe5bIRYAU/2uzLueODF3ltM9kb9asUbhvR3o5pl7RCB3 2MjdI0LvFtTWA6MDnm3oXWGZjamfuCVXrdpRIxNsuBf0F2U0U0akG3lk1 b6jQcp6Fp1SkxsR63KM9LCkqG5I33eyy0GtSp9OebyJdAxykS7WTLDyES SigL6zKWSJpivpcEigB1vH4w0fa4y307t39bq4gDRYOOB8+Nl/8MonHGi 9pyPnBE9Q208v3QztmNN1ge/d8C5j8NJCMw0bANydagzeKfarftQA5JaT +aPW2sI+x9LFjEwmZmH1CxHSyeeXedWn5ZC7VLP3A+d2i40GonDOTsDja g==; X-CSE-ConnectionGUID: oBBc6/F/SJO4fOyGY8s0/Q== X-CSE-MsgGUID: G/OABmFXTpC0jwtyhSxGmA== X-IronPort-AV: E=McAfee;i="6800,10657,11738"; a="86024699" X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="86024699" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2026 19:57:47 -0700 X-CSE-ConnectionGUID: PVsbQ+/oRAyE4zFXBUD0Zw== X-CSE-MsgGUID: /Kjs5ydNRo2wHJU+pEbyhA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="219340738" Received: from lkp-server01.sh.intel.com (HELO 3905d212be1b) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 23 Mar 2026 19:57:46 -0700 Received: from kbuild by 3905d212be1b with local (Exim 4.98.2) (envelope-from ) id 1w4rxf-000000003hP-3T2k; Tue, 24 Mar 2026 02:57:43 +0000 Date: Tue, 24 Mar 2026 10:57:40 +0800 From: kernel test robot To: Kees Cook Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Nathan Chancellor Subject: drivers/gpu/drm/gma500/opregion.c:324:20: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202603241049.fAX6rSes-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c369299895a591d96745d6492d4888259b004a9e commit: d70da12453ac3797e0c54884305ccc894e8c817b hardening: Enable i386 FORTIFY_SOURCE on Clang 16+ date: 1 year ago config: i386-randconfig-062-20260324 (https://download.01.org/0day-ci/archive/20260324/202603241049.fAX6rSes-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260324/202603241049.fAX6rSes-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/202603241049.fAX6rSes-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/gma500/opregion.c:294:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct opregion_header *header @@ drivers/gpu/drm/gma500/opregion.c:294:25: sparse: expected void volatile [noderef] __iomem *addr drivers/gpu/drm/gma500/opregion.c:294:25: sparse: got struct opregion_header *header >> drivers/gpu/drm/gma500/opregion.c:324:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *const p @@ got void [noderef] __iomem *[assigned] base @@ drivers/gpu/drm/gma500/opregion.c:324:20: sparse: expected void const *const p drivers/gpu/drm/gma500/opregion.c:324:20: sparse: got void [noderef] __iomem *[assigned] base drivers/gpu/drm/gma500/opregion.c:330:26: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct opregion_header *header @@ got void [noderef] __iomem *[assigned] base @@ drivers/gpu/drm/gma500/opregion.c:330:26: sparse: expected struct opregion_header *header drivers/gpu/drm/gma500/opregion.c:330:26: sparse: got void [noderef] __iomem *[assigned] base drivers/gpu/drm/gma500/opregion.c:331:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *vbt @@ got void [noderef] __iomem * @@ drivers/gpu/drm/gma500/opregion.c:331:23: sparse: expected void *vbt drivers/gpu/drm/gma500/opregion.c:331:23: sparse: got void [noderef] __iomem * drivers/gpu/drm/gma500/opregion.c:338:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct opregion_acpi *acpi @@ got void [noderef] __iomem * @@ drivers/gpu/drm/gma500/opregion.c:338:32: sparse: expected struct opregion_acpi *acpi drivers/gpu/drm/gma500/opregion.c:338:32: sparse: got void [noderef] __iomem * drivers/gpu/drm/gma500/opregion.c:343:32: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct opregion_asle *asle @@ got void [noderef] __iomem * @@ drivers/gpu/drm/gma500/opregion.c:343:32: sparse: expected struct opregion_asle *asle drivers/gpu/drm/gma500/opregion.c:343:32: sparse: got void [noderef] __iomem * vim +324 drivers/gpu/drm/gma500/opregion.c d839ede47a56ff5 Alan Cox 2012-05-03 275 d839ede47a56ff5 Alan Cox 2012-05-03 276 void psb_intel_opregion_fini(struct drm_device *dev) d839ede47a56ff5 Alan Cox 2012-05-03 277 { f71635e893c3832 Thomas Zimmermann 2021-09-20 278 struct drm_psb_private *dev_priv = to_drm_psb_private(dev); d839ede47a56ff5 Alan Cox 2012-05-03 279 struct psb_intel_opregion *opregion = &dev_priv->opregion; d839ede47a56ff5 Alan Cox 2012-05-03 280 d839ede47a56ff5 Alan Cox 2012-05-03 281 if (!opregion->header) d839ede47a56ff5 Alan Cox 2012-05-03 282 return; d839ede47a56ff5 Alan Cox 2012-05-03 283 d839ede47a56ff5 Alan Cox 2012-05-03 284 if (opregion->acpi) { d839ede47a56ff5 Alan Cox 2012-05-03 285 opregion->acpi->drdy = 0; d839ede47a56ff5 Alan Cox 2012-05-03 286 d839ede47a56ff5 Alan Cox 2012-05-03 287 system_opregion = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 288 unregister_acpi_notifier(&psb_intel_opregion_notifier); d839ede47a56ff5 Alan Cox 2012-05-03 289 } d839ede47a56ff5 Alan Cox 2012-05-03 290 778e26dee5e6b3b Patrik Jakobsson 2014-03-11 291 cancel_work_sync(&opregion->asle_work); 778e26dee5e6b3b Patrik Jakobsson 2014-03-11 292 d839ede47a56ff5 Alan Cox 2012-05-03 293 /* just clear all opregion memory pointers now */ d839ede47a56ff5 Alan Cox 2012-05-03 @294 iounmap(opregion->header); d839ede47a56ff5 Alan Cox 2012-05-03 295 opregion->header = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 296 opregion->acpi = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 297 opregion->swsci = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 298 opregion->asle = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 299 opregion->vbt = NULL; d839ede47a56ff5 Alan Cox 2012-05-03 300 } d839ede47a56ff5 Alan Cox 2012-05-03 301 d839ede47a56ff5 Alan Cox 2012-05-03 302 int psb_intel_opregion_setup(struct drm_device *dev) d839ede47a56ff5 Alan Cox 2012-05-03 303 { f71635e893c3832 Thomas Zimmermann 2021-09-20 304 struct drm_psb_private *dev_priv = to_drm_psb_private(dev); a2c68495b579862 Thomas Zimmermann 2020-12-01 305 struct pci_dev *pdev = to_pci_dev(dev->dev); d839ede47a56ff5 Alan Cox 2012-05-03 306 struct psb_intel_opregion *opregion = &dev_priv->opregion; d839ede47a56ff5 Alan Cox 2012-05-03 307 u32 opregion_phy, mboxes; d64363c7557959c Kirill A. Shutemov 2012-05-03 308 void __iomem *base; d839ede47a56ff5 Alan Cox 2012-05-03 309 int err = 0; d839ede47a56ff5 Alan Cox 2012-05-03 310 a2c68495b579862 Thomas Zimmermann 2020-12-01 311 pci_read_config_dword(pdev, PCI_ASLS, &opregion_phy); d839ede47a56ff5 Alan Cox 2012-05-03 312 if (opregion_phy == 0) { d839ede47a56ff5 Alan Cox 2012-05-03 313 DRM_DEBUG_DRIVER("ACPI Opregion not supported\n"); d839ede47a56ff5 Alan Cox 2012-05-03 314 return -ENOTSUPP; d839ede47a56ff5 Alan Cox 2012-05-03 315 } 778e26dee5e6b3b Patrik Jakobsson 2014-03-11 316 778e26dee5e6b3b Patrik Jakobsson 2014-03-11 317 INIT_WORK(&opregion->asle_work, psb_intel_opregion_asle_work); 778e26dee5e6b3b Patrik Jakobsson 2014-03-11 318 d839ede47a56ff5 Alan Cox 2012-05-03 319 DRM_DEBUG("OpRegion detected at 0x%8x\n", opregion_phy); d839ede47a56ff5 Alan Cox 2012-05-03 320 base = acpi_os_ioremap(opregion_phy, 8*1024); d839ede47a56ff5 Alan Cox 2012-05-03 321 if (!base) d839ede47a56ff5 Alan Cox 2012-05-03 322 return -ENOMEM; d839ede47a56ff5 Alan Cox 2012-05-03 323 d839ede47a56ff5 Alan Cox 2012-05-03 @324 if (memcmp(base, OPREGION_SIGNATURE, 16)) { d839ede47a56ff5 Alan Cox 2012-05-03 325 DRM_DEBUG_DRIVER("opregion signature mismatch\n"); d839ede47a56ff5 Alan Cox 2012-05-03 326 err = -EINVAL; d839ede47a56ff5 Alan Cox 2012-05-03 327 goto err_out; d839ede47a56ff5 Alan Cox 2012-05-03 328 } d839ede47a56ff5 Alan Cox 2012-05-03 329 d839ede47a56ff5 Alan Cox 2012-05-03 330 opregion->header = base; d839ede47a56ff5 Alan Cox 2012-05-03 331 opregion->vbt = base + OPREGION_VBT_OFFSET; d839ede47a56ff5 Alan Cox 2012-05-03 332 d839ede47a56ff5 Alan Cox 2012-05-03 333 opregion->lid_state = base + ACPI_CLID; d839ede47a56ff5 Alan Cox 2012-05-03 334 d839ede47a56ff5 Alan Cox 2012-05-03 335 mboxes = opregion->header->mboxes; d839ede47a56ff5 Alan Cox 2012-05-03 336 if (mboxes & MBOX_ACPI) { d839ede47a56ff5 Alan Cox 2012-05-03 337 DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); d839ede47a56ff5 Alan Cox 2012-05-03 338 opregion->acpi = base + OPREGION_ACPI_OFFSET; d839ede47a56ff5 Alan Cox 2012-05-03 339 } d839ede47a56ff5 Alan Cox 2012-05-03 340 d839ede47a56ff5 Alan Cox 2012-05-03 341 if (mboxes & MBOX_ASLE) { d839ede47a56ff5 Alan Cox 2012-05-03 342 DRM_DEBUG_DRIVER("ASLE supported\n"); d839ede47a56ff5 Alan Cox 2012-05-03 343 opregion->asle = base + OPREGION_ASLE_OFFSET; d839ede47a56ff5 Alan Cox 2012-05-03 344 } d839ede47a56ff5 Alan Cox 2012-05-03 345 d839ede47a56ff5 Alan Cox 2012-05-03 346 return 0; d839ede47a56ff5 Alan Cox 2012-05-03 347 d839ede47a56ff5 Alan Cox 2012-05-03 348 err_out: d839ede47a56ff5 Alan Cox 2012-05-03 349 iounmap(base); d839ede47a56ff5 Alan Cox 2012-05-03 350 return err; d839ede47a56ff5 Alan Cox 2012-05-03 351 } d839ede47a56ff5 Alan Cox 2012-05-03 352 :::::: The code at line 324 was first introduced by commit :::::: d839ede47a56ff5f316c88391818488f8e5913af gma500: opregion and ACPI :::::: TO: Alan Cox :::::: CC: Dave Airlie -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki