From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.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 EF1D36FA1; Fri, 24 Mar 2023 15:23:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1679671402; x=1711207402; h=date:from:to:cc:subject:message-id:mime-version; bh=67Ifw9mmyJRELTQW5P+QTodIwWBkaBtEAdB+tLBaqIw=; b=WMFq6th7xePhctoMivdOVkFovIHgQBIablObWYy4bmfg64qXJGhmOXPM ctMB8OKB2YTkSmJ3pt8nDCaxX8lJLPRbu07V73QH0a0gGDmUiNl4ZsPXW jlx+tP/r19XfFf3eLn8Bsy5MPi/dNi7TE7k2HA5hP98S+HAr7sM6d+8DN Is5stDLpuRCh7bCJXIAw/XlqaiWdDLu+3YE4JDhJzvCYoyQhoTlKq1PTX uQ2KSKGdSqWGOnv575rXEMnxkA/9xrowDVUf3rppyMudGasfHTKb/xt5G BJ9C5G21CEQAqaiU89u3yjMVWcEL42HfKCf6wDo92VkmEDzY5Y+mim6Zl w==; X-IronPort-AV: E=McAfee;i="6600,9927,10659"; a="402390709" X-IronPort-AV: E=Sophos;i="5.98,288,1673942400"; d="scan'208";a="402390709" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2023 08:23:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10659"; a="632867022" X-IronPort-AV: E=Sophos;i="5.98,288,1673942400"; d="scan'208";a="632867022" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 24 Mar 2023 08:23:20 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pfjGB-000FQ8-33; Fri, 24 Mar 2023 15:23:19 +0000 Date: Fri, 24 Mar 2023 23:22:47 +0800 From: kernel test robot To: Arnd Bergmann Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-arch@vger.kernel.org Subject: [arnd-asm-generic:dma-sync-rework 20/20] arch/hexagon/kernel/dma.c:19:27: error: use of undeclared identifier 'paddr' Message-ID: <202303242303.IAFZ31Wv-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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git dma-sync-rework head: 9a711fbea373208c1eeb2fafb0c744bc23a79a43 commit: 9a711fbea373208c1eeb2fafb0c744bc23a79a43 [20/20] dma-mapping: replace custom code with generic implementation config: hexagon-randconfig-r033-20230324 (https://download.01.org/0day-ci/archive/20230324/202303242303.IAFZ31Wv-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=9a711fbea373208c1eeb2fafb0c744bc23a79a43 git remote add arnd-asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git git fetch --no-tags arnd-asm-generic dma-sync-rework git checkout 9a711fbea373208c1eeb2fafb0c744bc23a79a43 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202303242303.IAFZ31Wv-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/hexagon/kernel/dma.c:8: In file included from include/linux/dma-map-ops.h:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from arch/hexagon/kernel/dma.c:8: In file included from include/linux/dma-map-ops.h:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from arch/hexagon/kernel/dma.c:8: In file included from include/linux/dma-map-ops.h:9: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> arch/hexagon/kernel/dma.c:19:27: error: use of undeclared identifier 'paddr' hexagon_inv_dcache_range(paddr, paddr + size); ^ arch/hexagon/kernel/dma.c:19:34: error: use of undeclared identifier 'paddr' hexagon_inv_dcache_range(paddr, paddr + size); ^ >> arch/hexagon/kernel/dma.c:24:2: error: call to undeclared function 'hexagon_flush_dcache_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] hexagon_flush_dcache_range(paddr, paddr + size); ^ arch/hexagon/kernel/dma.c:24:2: note: did you mean 'hexagon_clean_dcache_range'? arch/hexagon/include/asm/cacheflush.h:75:13: note: 'hexagon_clean_dcache_range' declared here extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end); ^ arch/hexagon/kernel/dma.c:24:29: error: use of undeclared identifier 'paddr' hexagon_flush_dcache_range(paddr, paddr + size); ^ arch/hexagon/kernel/dma.c:24:36: error: use of undeclared identifier 'paddr' hexagon_flush_dcache_range(paddr, paddr + size); ^ 6 warnings and 5 errors generated. vim +/paddr +19 arch/hexagon/kernel/dma.c 16 17 static inline void arch_dma_cache_inv(phys_addr_t start, size_t size) 18 { > 19 hexagon_inv_dcache_range(paddr, paddr + size); 20 } 21 22 static inline void arch_dma_cache_wback_inv(phys_addr_t start, size_t size) 23 { > 24 hexagon_flush_dcache_range(paddr, paddr + size); 25 } 26 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests