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X-CSE-ConnectionGUID: vDiDuop3Q/KZXVuClGVVhA== X-CSE-MsgGUID: FxoDPwxdRI+el7YlMEHd9g== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="71437068" X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="71437068" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2026 06:35:29 -0800 X-CSE-ConnectionGUID: SyvXr0fbSH+kd4UCZRcVRQ== X-CSE-MsgGUID: hrhRM+DnT8Wy939zJfiStA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="209472705" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 04 Feb 2026 06:35:28 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vndyX-00000000huS-2DtK; Wed, 04 Feb 2026 14:35:25 +0000 Date: Wed, 4 Feb 2026 22:34:28 +0800 From: kernel test robot To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Helge Deller Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Chen Ni , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v1 2/3] fbdev: au1100fb: Make driver compilable on non-mips platforms Message-ID: <202602042224.CY8SSh3n-lkp@intel.com> References: <474eca0c9ecb8a2e610e82922ad22ad7e8ff0b8b.1770196161.git.u.kleine-koenig@baylibre.com> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <474eca0c9ecb8a2e610e82922ad22ad7e8ff0b8b.1770196161.git.u.kleine-koenig@baylibre.com> Hi Uwe, kernel test robot noticed the following build errors: [auto build test ERROR on 0636e6205beed850d985276dc56fd73d785bea5c] url: https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/fbdev-au1100fb-Mark-several-local-functions-as-static/20260204-171704 base: 0636e6205beed850d985276dc56fd73d785bea5c patch link: https://lore.kernel.org/r/474eca0c9ecb8a2e610e82922ad22ad7e8ff0b8b.1770196161.git.u.kleine-koenig%40baylibre.com patch subject: [PATCH v1 2/3] fbdev: au1100fb: Make driver compilable on non-mips platforms config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20260204/202602042224.CY8SSh3n-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602042224.CY8SSh3n-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/202602042224.CY8SSh3n-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/video/fbdev/au1100fb.c:354:32: error: expression is not assignable 354 | pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ drivers/video/fbdev/au1100fb.c:473:6: warning: format specifies type 'int' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat] 472 | print_err("fail to allocate framebuffer (size: %dK))", | ~~ | %zu 473 | fbdev->fb_len / 1024); | ^~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/au1100fb.h:33:74: note: expanded from macro 'print_err' 33 | #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) | ~ ^~~ include/linux/printk.h:512:60: note: expanded from macro 'printk' 512 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:484:19: note: expanded from macro 'printk_index_wrap' 484 | _p_func(_fmt, ##__VA_ARGS__); \ | ~~~~ ^~~~~~~~~~~ 1 warning and 1 error generated. vim +354 drivers/video/fbdev/au1100fb.c 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 343 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 344 /* fb_mmap 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 345 * Map video memory in user space. We don't use the generic fb_mmap method mainly 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 346 * to allow the use of the TLB streaming flag (CCA=6) 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 347 */ 0238b447706a72c drivers/video/fbdev/au1100fb.c Uwe Kleine-König 2026-02-04 348 static int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) 3b495f2bb749b82 drivers/video/au1100fb.c Pete Popov 2005-04-04 349 { 67f30ad19c4b329 drivers/video/fbdev/au1100fb.c Christoph Hellwig 2019-04-28 350 struct au1100fb_device *fbdev = to_au1100fb_device(fbi); c05b7f3d12b9455 drivers/video/au1100fb.c Rodolfo Giometti 2006-05-30 351 76f92201b821dd2 drivers/video/fbdev/au1100fb.c Thomas Zimmermann 2023-11-27 352 vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); 76f92201b821dd2 drivers/video/fbdev/au1100fb.c Thomas Zimmermann 2023-11-27 353 ^1da177e4c3f415 drivers/video/au1100fb.c Linus Torvalds 2005-04-16 @354 pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6 ^1da177e4c3f415 drivers/video/au1100fb.c Linus Torvalds 2005-04-16 355 67f30ad19c4b329 drivers/video/fbdev/au1100fb.c Christoph Hellwig 2019-04-28 356 return dma_mmap_coherent(fbdev->dev, vma, fbdev->fb_mem, fbdev->fb_phys, 67f30ad19c4b329 drivers/video/fbdev/au1100fb.c Christoph Hellwig 2019-04-28 357 fbdev->fb_len); ^1da177e4c3f415 drivers/video/au1100fb.c Linus Torvalds 2005-04-16 358 } ^1da177e4c3f415 drivers/video/au1100fb.c Linus Torvalds 2005-04-16 359 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki