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Diffstat (limited to 'drivers/char/hangcheck-timer.c')
-rw-r--r--drivers/char/hangcheck-timer.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index 40a67c86420c..ac626418b329 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -117,12 +117,9 @@ __setup("hcheck_reboot", hangcheck_parse_reboot);
 __setup("hcheck_dump_tasks", hangcheck_parse_dump_tasks);
 #endif /* not MODULE */
 
-#if defined(CONFIG_X86)
+#if defined(CONFIG_X86) || defined(CONFIG_S390)
 # define HAVE_MONOTONIC
 # define TIMER_FREQ 1000000000ULL
-#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)
 # define TIMER_FREQ ((unsigned long long)local_cpu_data->itc_freq)
 #elif defined(CONFIG_PPC64)
@@ -134,12 +131,7 @@ extern unsigned long long monotonic_clock(void);
 #else
 static inline unsigned long long monotonic_clock(void)
 {
-# ifdef __s390__
-	/* returns the TOD.  see 4-38 Principles of Op of zSeries */
-	return get_clock();
-# else
 	return get_cycles();
-# endif  /* __s390__ */
 }
 #endif  /* HAVE_MONOTONIC */
 
@@ -188,8 +180,6 @@ static int __init hangcheck_init(void)
 	       VERSION_STR, hangcheck_tick, hangcheck_margin);
 #if defined (HAVE_MONOTONIC)
 	printk("Hangcheck: Using monotonic_clock().\n");
-#elif defined(__s390__)
-	printk("Hangcheck: Using TOD.\n");
 #else
 	printk("Hangcheck: Using get_cycles().\n");
 #endif  /* HAVE_MONOTONIC */