#if defined(CONFIG_X86)
# define HAVE_MONOTONIC
# define TIMER_FREQ 1000000000ULL
-#elif defined(CONFIG_ARCH_S390)
+#elif defined(CONFIG_S390)
/* FA240000 is 1 Second in the IBM time universe (Page 4-38 Principles of Op for zSeries */
# define TIMER_FREQ 0xFA240000ULL
#elif defined(CONFIG_IA64)