1 files changed, 3 insertions, 0 deletions
diff --git a/ztdummy.c b/ztdummy.c
index 77d2c37..e24ae93 100755
--- a/ztdummy.c
+++ b/ztdummy.c
@@ -99,6 +99,9 @@ static int debug = 0;
 #ifndef USE_RTC
 /* New 2.6 kernel timer stuff */
 static struct timer_list timer;
+#if HZ != 1000
+#error ztdummy requires 1000 hz jiffies
+#endif
 #endif
 #else
 #if LINUX_VERSION_CODE < VERSION_CODE(2,4,5)