tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2db08cc65391d73dc8cbcaefdb55c42a774d9e1a commit: ff35bd54456e18878c361a8a2deeb41c9688458f [103/113] lib/scatterlist: make ARCH_HAS_SG_CHAIN an actual Kconfig config: powerpc-powerpc (attached as .config) All error/warnings: arch/powerpc/platforms/amigaone/setup.c: In function 'amigaone_probe': >> arch/powerpc/platforms/amigaone/setup.c:154:3: error: 'ISA_DMA_THRESHOLD' undeclared (first use in this function) ISA_DMA_THRESHOLD = 0x00ffffff; ^ arch/powerpc/platforms/amigaone/setup.c:154:3: note: each undeclared identifier is reported only once for each function it appears in >> arch/powerpc/platforms/amigaone/setup.c:155:3: error: 'DMA_MODE_READ' undeclared (first use in this function) DMA_MODE_READ = 0x44; ^ >> arch/powerpc/platforms/amigaone/setup.c:156:3: error: 'DMA_MODE_WRITE' undeclared (first use in this function) DMA_MODE_WRITE = 0x48; ^ vim +/ISA_DMA_THRESHOLD +154 arch/powerpc/platforms/amigaone/setup.c 54b318aa Gerhard Pircher 2009-02-10 148 /* 54b318aa Gerhard Pircher 2009-02-10 149 * Coherent memory access cause complete system lockup! Thus 54b318aa Gerhard Pircher 2009-02-10 150 * disable this CPU feature, even if the CPU needs it. 54b318aa Gerhard Pircher 2009-02-10 151 */ 54b318aa Gerhard Pircher 2009-02-10 152 cur_cpu_spec->cpu_features &= ~CPU_FTR_NEED_COHERENT; 54b318aa Gerhard Pircher 2009-02-10 153 54b318aa Gerhard Pircher 2009-02-10 @154 ISA_DMA_THRESHOLD = 0x00ffffff; 54b318aa Gerhard Pircher 2009-02-10 @155 DMA_MODE_READ = 0x44; 54b318aa Gerhard Pircher 2009-02-10 @156 DMA_MODE_WRITE = 0x48; 54b318aa Gerhard Pircher 2009-02-10 157 54b318aa Gerhard Pircher 2009-02-10 158 return 1; 54b318aa Gerhard Pircher 2009-02-10 159 } :::::: The code at line 154 was first introduced by commit :::::: 54b318aa5211ab7bba617a27d9cbd7fd759dcfd0 powerpc/amigaone: Add platform support for AmigaOne :::::: TO: Gerhard Pircher :::::: CC: Benjamin Herrenschmidt --- 0-DAY kernel build testing backend Open Source Technology Center http://lists.01.org/mailman/listinfo/kbuild Intel Corporation