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: openrisc-randconfig-r002-20230322 (https://download.01.org/0day-ci/archive/20230324/202303242328.VY7INnaA-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 12.1.0 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=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303242328.VY7INnaA-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/openrisc/kernel/dma.c: In function 'arch_dma_cache_inv': >> arch/openrisc/kernel/dma.c:115:19: error: 'addr' undeclared (first use in this function); did you mean 'paddr'? 115 | for (cl = addr; cl < addr + size; | ^~~~ | paddr arch/openrisc/kernel/dma.c:115:19: note: each undeclared identifier is reported only once for each function it appears in arch/openrisc/kernel/dma.c: In function 'arch_dma_cache_wback_inv': arch/openrisc/kernel/dma.c:126:19: error: 'addr' undeclared (first use in this function); did you mean 'paddr'? 126 | for (cl = addr; cl < addr + size; | ^~~~ | paddr arch/openrisc/kernel/dma.c:126:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 126 | for (cl = addr; cl < addr + size; | ^~~ arch/openrisc/kernel/dma.c:129:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 129 | break; | ^~~~~ >> arch/openrisc/kernel/dma.c:129:17: error: break statement not within loop or switch vim +115 arch/openrisc/kernel/dma.c 9a711fbea37320 Arnd Bergmann 2023-03-22 108 9a711fbea37320 Arnd Bergmann 2023-03-22 109 static inline void arch_dma_cache_inv(phys_addr_t paddr, size_t size) 9a711fbea37320 Arnd Bergmann 2023-03-22 110 { 9a711fbea37320 Arnd Bergmann 2023-03-22 111 unsigned long cl; 9a711fbea37320 Arnd Bergmann 2023-03-22 112 struct cpuinfo_or1k *cpuinfo = &cpuinfo_or1k[smp_processor_id()]; 9a711fbea37320 Arnd Bergmann 2023-03-22 113 a39af6f7b806f2 Jonas Bonn 2011-06-04 114 /* Invalidate the dcache for the requested range */ a39af6f7b806f2 Jonas Bonn 2011-06-04 @115 for (cl = addr; cl < addr + size; 8e6d08e0a15e7d Stefan Kristiansson 2014-05-11 116 cl += cpuinfo->dcache_block_size) a39af6f7b806f2 Jonas Bonn 2011-06-04 117 mtspr(SPR_DCBIR, cl); 9a711fbea37320 Arnd Bergmann 2023-03-22 118 } 9a711fbea37320 Arnd Bergmann 2023-03-22 119 9a711fbea37320 Arnd Bergmann 2023-03-22 120 static inline void arch_dma_cache_wback_inv(phys_addr_t paddr, size_t size) 9a711fbea37320 Arnd Bergmann 2023-03-22 121 { 9a711fbea37320 Arnd Bergmann 2023-03-22 122 unsigned long cl; 9a711fbea37320 Arnd Bergmann 2023-03-22 123 struct cpuinfo_or1k *cpuinfo = &cpuinfo_or1k[smp_processor_id()]; 9a711fbea37320 Arnd Bergmann 2023-03-22 124 586fa29b78e597 Arnd Bergmann 2023-03-21 125 /* Flush the dcache for the requested range */ 586fa29b78e597 Arnd Bergmann 2023-03-21 126 for (cl = addr; cl < addr + size; 586fa29b78e597 Arnd Bergmann 2023-03-21 127 cl += cpuinfo->dcache_block_size) 586fa29b78e597 Arnd Bergmann 2023-03-21 128 mtspr(SPR_DCBFR, cl); 586fa29b78e597 Arnd Bergmann 2023-03-21 @129 break; a39af6f7b806f2 Jonas Bonn 2011-06-04 130 } 9a711fbea37320 Arnd Bergmann 2023-03-22 131 :::::: The code at line 115 was first introduced by commit :::::: a39af6f7b806f2a52962254ea8dc635b4c240810 OpenRISC: DMA :::::: TO: Jonas Bonn <jonas@xxxxxxxxxxxx> :::::: CC: Jonas Bonn <jonas@xxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests