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X-CSE-ConnectionGUID: 6BobUj6gTEiCIcLhKRfr8Q== X-CSE-MsgGUID: kPWmoZYRSYWQfuSu8VM42A== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="71391213" X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="71391213" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2026 07:16:52 -0800 X-CSE-ConnectionGUID: YsXuTrHrR5OvoMFxxH70BQ== X-CSE-MsgGUID: d1cXLsZCSf2uiD2pONH8ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="240967509" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 04 Feb 2026 07:16:50 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vneca-00000000iLA-25QB; Wed, 04 Feb 2026 15:16:48 +0000 Date: Wed, 4 Feb 2026 23:16:23 +0800 From: kernel test robot To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Helge Deller Cc: 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: <202602042342.RXu7sDV7-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=us-ascii Content-Disposition: inline In-Reply-To: <474eca0c9ecb8a2e610e82922ad22ad7e8ff0b8b.1770196161.git.u.kleine-koenig@baylibre.com> Hi Uwe, kernel test robot noticed the following build warnings: [auto build test WARNING 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-allyesconfig (https://download.01.org/0day-ci/archive/20260204/202602042342.RXu7sDV7-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602042342.RXu7sDV7-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/202602042342.RXu7sDV7-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/video/fbdev/au1100fb.c: In function 'au1100fb_fb_mmap': drivers/video/fbdev/au1100fb.c:354:39: error: lvalue required as left operand of assignment 354 | pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6 | ^~ In file included from include/asm-generic/bug.h:31, from arch/s390/include/asm/bug.h:60, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from arch/s390/include/asm/cmpxchg.h:11, from arch/s390/include/asm/atomic.h:16, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/s390/include/asm/bitops.h:75, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from include/linux/clk.h:13, from drivers/video/fbdev/au1100fb.c:44: drivers/video/fbdev/au1100fb.c: In function 'au1100fb_drv_probe': >> include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:484:25: note: in definition of macro 'printk_index_wrap' 484 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ drivers/video/fbdev/au1100fb.h:33:30: note: in expansion of macro 'printk' 33 | #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) | ^~~~~~ include/linux/kern_levels.h:11:25: note: in expansion of macro 'KERN_SOH' 11 | #define KERN_ERR KERN_SOH "3" /* error conditions */ | ^~~~~~~~ drivers/video/fbdev/au1100fb.h:33:37: note: in expansion of macro 'KERN_ERR' 33 | #define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) | ^~~~~~~~ drivers/video/fbdev/au1100fb.c:472:17: note: in expansion of macro 'print_err' 472 | print_err("fail to allocate framebuffer (size: %dK))", | ^~~~~~~~~ vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki