From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (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 E82C82CA6 for ; Wed, 8 Dec 2021 21:51:29 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10192"; a="298749861" X-IronPort-AV: E=Sophos;i="5.88,190,1635231600"; d="scan'208";a="298749861" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 13:41:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,190,1635231600"; d="scan'208";a="480071395" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 08 Dec 2021 13:40:58 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mv4gL-00015P-RE; Wed, 08 Dec 2021 21:40:57 +0000 Date: Thu, 9 Dec 2021 05:40:28 +0800 From: kernel test robot To: Brian Kim Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Dongjin Kim , memeka , Yang Deokgyu Subject: [tobetter:odroid-5.16.y 20/75] drivers/char/exynos-gpiomem.c:121:22: error: implicit declaration of function 'phys_mem_access_prot' Message-ID: <202112090524.JyN1VmD0-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) tree: https://github.com/tobetter/linux odroid-5.16.y head: 04f296b5f991198f16f76ba15a23e9e00e30aac4 commit: 6720769118c835b66f65eb40c2d476fd615d9549 [20/75] ODROID-XU4: char: exynos: add /dev/gpiomem device for rootless user GPIO access config: hexagon-randconfig-r021-20211207 (https://download.01.org/0day-ci/archive/20211209/202112090524.JyN1VmD0-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/tobetter/linux/commit/6720769118c835b66f65eb40c2d476fd615d9549 git remote add tobetter https://github.com/tobetter/linux git fetch --no-tags tobetter odroid-5.16.y git checkout 6720769118c835b66f65eb40c2d476fd615d9549 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/char/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/char/exynos-gpiomem.c:121:22: error: implicit declaration of function 'phys_mem_access_prot' [-Werror,-Wimplicit-function-declaration] vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff, ^ >> drivers/char/exynos-gpiomem.c:121:20: error: assigning to 'pgprot_t' from incompatible type 'int' vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff, ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +/phys_mem_access_prot +121 drivers/char/exynos-gpiomem.c 106 107 static int exynos_gpiomem_mmap(struct file *file, struct vm_area_struct *vma) 108 { 109 int gpio_area = 0; 110 111 while (gpio_area < inst->gpio_area_count) { 112 if ((inst->gpio_regs_phys[gpio_area] >> PAGE_SHIFT) == vma->vm_pgoff) 113 goto found; 114 115 gpio_area++; 116 } 117 118 return -EACCES; 119 120 found: > 121 vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff, 122 PAGE_SIZE, 123 vma->vm_page_prot); 124 125 vma->vm_ops = &exynos_gpiomem_vm_ops; 126 127 if (remap_pfn_range(vma, vma->vm_start, 128 vma->vm_pgoff, 129 PAGE_SIZE, 130 vma->vm_page_prot)) { 131 return -EAGAIN; 132 } 133 134 return 0; 135 } 136 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org