Hi Andrew,

The kernel build fails with randconfig, with following error

  CC      arch/powerpc/platforms/celleb/setup.o
arch/powerpc/platforms/celleb/setup.c:151: error: ‘generic_calibrate_decr’ undeclared here (not in a function)
make[2]: *** [arch/powerpc/platforms/celleb/setup.o] Error 1
make[1]: *** [arch/powerpc/platforms/celleb] Error 2
make: *** [arch/powerpc/platforms] Error 2

This is caused by the include file asm-powerpc/time.h, where the function
goes missing when the CONFIG_PPC_ISERIES option is disabled.
-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.