Hi Sudip, [auto build test ERROR on linus/master] [also build test ERROR on v4.9-rc4 next-20161110] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Sudip-Mukherjee/MIPS-fix-duplicate-define/20161110-044738 config: mips-ip27_defconfig (attached as .config) compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): In file included from arch/mips/include/asm/page.h:194:0, from arch/mips/vdso/vdso.h:26, from arch/mips/vdso/gettimeofday.c:11: arch/mips/include/asm/io.h: In function 'phys_to_virt': >> arch/mips/include/asm/io.h:138:9: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] return (void *)(address + PAGE_OFFSET - PHYS_OFFSET); ^ arch/mips/include/asm/io.h: In function 'isa_bus_to_virt': arch/mips/include/asm/io.h:151:9: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast] return (void *)(address + PAGE_OFFSET); ^ cc1: all warnings being treated as errors vim +138 arch/mips/include/asm/io.h ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 122 } ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 123 ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 124 /* ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 125 * phys_to_virt - map physical address to virtual ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 126 * @address: address to remap ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 127 * ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 128 * The returned virtual address is a current CPU mapping for ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 129 * the memory address given. It is only valid to use this function on ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 130 * addresses that have a kernel mapping ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 131 * ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 132 * This function does not handle bus mappings for DMA transfers. In ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 133 * almost all conceivable cases a device driver should not be using ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 134 * this function ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 135 */ ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 136 static inline void * phys_to_virt(unsigned long address) ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 137 { 6f284a2c include/asm-mips/io.h Franck Bui-Huu 2007-01-10 @138 return (void *)(address + PAGE_OFFSET - PHYS_OFFSET); ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 139 } ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 140 ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 141 /* ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 142 * ISA I/O bus memory addresses are 1:1 with the physical address. ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 143 */ ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 144 static inline unsigned long isa_virt_to_bus(volatile void * address) ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 145 { ^1da177e include/asm-mips/io.h Linus Torvalds 2005-04-16 146 return (unsigned long)address - PAGE_OFFSET; :::::: The code at line 138 was first introduced by commit :::::: 6f284a2ce7b8bc49cb8455b1763357897a899abb [MIPS] FLATMEM: introduce PHYS_OFFSET. :::::: TO: Franck Bui-Huu <fbuihuu@xxxxxxxxx> :::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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