From: Erez Zadok I'm using -mm (MMOTM-2007-11-10-19-05) and getting $ make CC init/calibrate.o In file included from include/linux/jiffies.h:8, from init/calibrate.c:7: include/linux/timex.h:246: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'read_current_timer' init/calibrate.c: In function 'calibrate_delay_direct': init/calibrate.c:41: error: implicit declaration of function 'read_current_timer' make[1]: *** [init/calibrate.o] Error 1 make: *** [init] Error 2 That's because the definition of __devinit isn't known at that point. The following small patch appears to fix the compilation error. Someone should verify that it's the proper fix. Cheers, Erez. Signed-off-by: Erez Zadok Signed-off-by: Andrew Morton --- include/linux/timex.h | 1 + 1 file changed, 1 insertion(+) diff -puN include/linux/timex.h~read_current_time-cleanups-build-fix include/linux/timex.h --- a/include/linux/timex.h~read_current_time-cleanups-build-fix +++ a/include/linux/timex.h @@ -55,6 +55,7 @@ #include #include +#include #include _