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X-CSE-ConnectionGUID: gBZASrP8RC2C5CeupMVDPw== X-CSE-MsgGUID: yYMYH6WWRZCI1QZZ3Tj8vg== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="84715133" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="84715133" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2026 22:21:08 -0700 X-CSE-ConnectionGUID: tVjEB5hPRVO0FlYM0ljJVg== X-CSE-MsgGUID: CCrF1fKhTRWOLdC4gF6aPA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="253704334" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa006.jf.intel.com with ESMTP; 12 Jul 2026 22:21:06 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wj96F-00000000LOu-0AH2; Mon, 13 Jul 2026 05:21:03 +0000 Date: Mon, 13 Jul 2026 13:20:55 +0800 From: kernel test robot To: Florian Fuchs Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Helge Deller , John Paul Adrian Glaubitz Subject: drivers/video/fbdev/pvr2fb.c:730:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) Message-ID: <202607131247.fpQ6eTc7-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: Hi Florian, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 44696aa3a489d2baf58efa61b37833f100072bee commit: 5f566c0ac51cd2474e47da68dbe719d3acf7d999 fbdev: pvr2fb: Fix leftover reference to ONCHIP_NR_DMA_CHANNELS date: 9 months ago config: sh-randconfig-r111-20260713 (https://download.01.org/0day-ci/archive/20260713/202607131247.fpQ6eTc7-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 10.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260713/202607131247.fpQ6eTc7-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 | Fixes: 5f566c0ac51c ("fbdev: pvr2fb: Fix leftover reference to ONCHIP_NR_DMA_CHANNELS") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202607131247.fpQ6eTc7-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/pvr2fb.c:730:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected int ( *fb_write )( ... ) @@ got int ( * )( ... ) @@ drivers/video/fbdev/pvr2fb.c:730:27: sparse: expected int ( *fb_write )( ... ) drivers/video/fbdev/pvr2fb.c:730:27: sparse: got int ( * )( ... ) drivers/video/fbdev/pvr2fb.c:1081:11: sparse: sparse: Using plain integer as NULL pointer vim +730 drivers/video/fbdev/pvr2fb.c ^1da177e4c3f415 drivers/video/pvr2fb.c Linus Torvalds 2005-04-16 725 8a48ac339398f21 drivers/video/fbdev/pvr2fb.c Jani Nikula 2019-12-03 726 static const struct fb_ops pvr2fb_ops = { db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 727 .owner = THIS_MODULE, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 728 #ifdef CONFIG_PVR2_DMA 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 729 .fb_read = fb_io_read, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 @730 .fb_write = pvr2fb_write, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 731 #else 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 732 __FB_DEFAULT_IOMEM_OPS_RDWR, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 733 #endif db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 734 .fb_setcolreg = pvr2fb_setcolreg, db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 735 .fb_blank = pvr2fb_blank, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 736 __FB_DEFAULT_IOMEM_OPS_DRAW, db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 737 .fb_check_var = pvr2fb_check_var, db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 738 .fb_set_par = pvr2fb_set_par, 423273970906070 drivers/video/fbdev/pvr2fb.c Thomas Zimmermann 2023-09-27 739 __FB_DEFAULT_IOMEM_OPS_MMAP, db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 740 }; db7f2cb965cb792 drivers/video/fbdev/pvr2fb.c Bartlomiej Zolnierkiewicz 2019-06-07 741 :::::: The code at line 730 was first introduced by commit :::::: 4232739709060703e9dd6f5d6839c37e008d389d fbdev/pvr2fb: Initialize fb_ops to fbdev I/O-memory helpers :::::: TO: Thomas Zimmermann :::::: CC: Thomas Zimmermann -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki