Hi Greentime, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/timers/core] [also build test ERROR on v4.15-rc4 next-20171220] [cannot apply to linus/master] [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/Greentime-Hu/Andes-nds32-Linux-Kernel/20171220-155937 config: openrisc-or1ksim_defconfig (attached as .config) compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=openrisc All error/warnings (new ones prefixed by >>): In file included from include/linux/io.h:25:0, from arch/openrisc/kernel/asm-offsets.c:35: >> arch/openrisc/include/asm/io.h:38:29: error: conflicting types for 'ioremap' static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) ^~~~~~~ In file included from arch/openrisc/include/asm/io.h:32:0, from include/linux/io.h:25, from arch/openrisc/kernel/asm-offsets.c:35: include/asm-generic/io.h:864:15: note: previous declaration of 'ioremap' was here void __iomem *ioremap(phys_addr_t phys_addr, size_t size); ^~~~~~~ include/asm-generic/io.h:865:25: error: conflicting types for 'ioremap_nocache' #define ioremap_nocache ioremap_nocache ^ >> arch/openrisc/include/asm/io.h:44:29: note: in expansion of macro 'ioremap_nocache' static inline void __iomem *ioremap_nocache(phys_addr_t offset, ^~~~~~~~~~~~~~~ include/asm-generic/io.h:865:25: note: previous definition of 'ioremap_nocache' was here #define ioremap_nocache ioremap_nocache ^ include/asm-generic/io.h:866:29: note: in expansion of macro 'ioremap_nocache' static inline void __iomem *ioremap_nocache(phys_addr_t offset, size_t size) ^~~~~~~~~~~~~~~ make[2]: *** [arch/openrisc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [sub-make] Error 2 vim +/ioremap +38 arch/openrisc/include/asm/io.h 58e0166a Jonas Bonn 2011-06-04 31 58e0166a Jonas Bonn 2011-06-04 @32 #include <asm-generic/io.h> 9b04ebd1 James Hogan 2012-10-23 33 #include <asm/pgtable.h> 58e0166a Jonas Bonn 2011-06-04 34 58e0166a Jonas Bonn 2011-06-04 35 extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size, 58e0166a Jonas Bonn 2011-06-04 36 pgprot_t prot); 58e0166a Jonas Bonn 2011-06-04 37 58e0166a Jonas Bonn 2011-06-04 @38 static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) 58e0166a Jonas Bonn 2011-06-04 39 { 58e0166a Jonas Bonn 2011-06-04 40 return __ioremap(offset, size, PAGE_KERNEL); 58e0166a Jonas Bonn 2011-06-04 41 } 58e0166a Jonas Bonn 2011-06-04 42 58e0166a Jonas Bonn 2011-06-04 43 /* #define _PAGE_CI 0x002 */ 58e0166a Jonas Bonn 2011-06-04 @44 static inline void __iomem *ioremap_nocache(phys_addr_t offset, 58e0166a Jonas Bonn 2011-06-04 45 unsigned long size) 58e0166a Jonas Bonn 2011-06-04 46 { 58e0166a Jonas Bonn 2011-06-04 47 return __ioremap(offset, size, 58e0166a Jonas Bonn 2011-06-04 48 __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI)); 58e0166a Jonas Bonn 2011-06-04 49 } 58e0166a Jonas Bonn 2011-06-04 50 :::::: The code at line 38 was first introduced by commit :::::: 58e0166a4772aaeb10c9b0f6d59f19099d2047df OpenRISC: Headers :::::: TO: Jonas Bonn <jonas@xxxxxxxxxxxx> :::::: CC: Jonas Bonn <jonas@xxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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