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X-IronPort-AV: E=McAfee;i="6600,9927,10926"; a="426529147" X-IronPort-AV: E=Sophos;i="6.04,282,1695711600"; d="scan'208";a="426529147" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2023 18:26:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10926"; a="865827626" X-IronPort-AV: E=Sophos;i="6.04,282,1695711600"; d="scan'208";a="865827626" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by FMSMGA003.fm.intel.com with ESMTP; 16 Dec 2023 18:26:14 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rEgr6-0002WJ-0l; Sun, 17 Dec 2023 02:26:12 +0000 Date: Sun, 17 Dec 2023 10:26:10 +0800 From: kernel test robot To: Bartlomiej Zolnierkiewicz Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202312171050.VRjziNZK-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3b8a9b2e6809d281890dd0a1102dc14d2cd11caf commit: 59c1ad914ef2d3470f74c626ece9521dbc9645a3 video: fbdev: atmel_lcdfb: add COMPILE_TEST support date: 4 years, 6 months ago config: arc-randconfig-r111-20231107 (https://download.01.org/0day-ci/archive/20231217/202312171050.VRjziNZK-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231217/202312171050.VRjziNZK-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/202312171050.VRjziNZK-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got void * @@ drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: expected char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: got void * >> drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: expected void *ptr drivers/video/fbdev/atmel_lcdfb.c:362:20: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] __iomem *screen_base vim +362 drivers/video/fbdev/atmel_lcdfb.c 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 336 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 337 /** 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 338 * atmel_lcdfb_alloc_video_memory - Allocate framebuffer memory 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 339 * @sinfo: the frame buffer to allocate memory for 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 340 * 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 341 * This function is called only from the atmel_lcdfb_probe() 1d01e83557105e7 drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 342 * so no locking by fb_info->mm_lock around smem_len setting is needed. 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 343 */ 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 344 static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 345 { 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 346 struct fb_info *info = sinfo->info; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 347 struct fb_var_screeninfo *var = &info->var; ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 348 unsigned int smem_len; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 349 ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 350 smem_len = (var->xres_virtual * var->yres_virtual 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 351 * ((var->bits_per_pixel + 7) / 8)); ea757acad5a5183 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 352 info->fix.smem_len = max(smem_len, sinfo->smem_len); 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 353 f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 354 info->screen_base = dma_alloc_wc(info->device, info->fix.smem_len, f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 355 (dma_addr_t *)&info->fix.smem_start, f6e45661f9be546 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 356 GFP_KERNEL); 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 357 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 358 if (!info->screen_base) { 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 359 return -ENOMEM; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 360 } 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 361 01d3a5e7fab7732 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 @362 memset(info->screen_base, 0, info->fix.smem_len); 01d3a5e7fab7732 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 363 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 364 return 0; 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 365 } 14340586148e7c8 drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 366 :::::: The code at line 362 was first introduced by commit :::::: 01d3a5e7fab7732cfc5d5d4533e9378ea435295a atmel_lcdfb: don't initialize a pre-allocated framebuffer :::::: TO: Haavard Skinnemoen :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki