diff -r a756113e4dc6 -r 4314c010e583 master/slave_config.c
--- a/master/slave_config.c	Wed Jun 02 14:27:04 2010 +0200
+++ b/master/slave_config.c	Wed Jun 02 14:32:24 2010 +0200
@@ -687,6 +687,12 @@
         uint32_t sync0_cycle_time, uint32_t sync0_shift_time,
         uint32_t sync1_cycle_time, uint32_t sync1_shift_time)
 {
+    EC_CONFIG_DBG(sc, 1, "%s(sc = 0x%p, assign_activate = 0x%04X,"
+            " sync0_cycle = %u, sync0_shift = %u,"
+            " sync1_cycle = %u, sync1_shift = %u\n",
+            __func__, sc, assign_activate, sync0_cycle_time, sync0_shift_time,
+            sync1_cycle_time, sync1_shift_time);
+
     sc->dc_assign_activate = assign_activate;
     sc->dc_sync[0].cycle_time = sync0_cycle_time;
     sc->dc_sync[0].shift_time = sync0_shift_time;