XXXX introduce drv_sectohz

@@ -454,11 +454,11 @@
                         return (EINVAL);
                 }
                 tsp->intvl = intvl;
                 tsp->tid = realtime_timeout(xcalwd_timeout,
                     (void *)(uintptr_t)instance,
-                    drv_usectohz(1000000) * tsp->intvl);
+                    drv_sectohz(tsp->intvl));
                 tsp->started = B_TRUE;
                 mutex_exit(&tsp->lock);
                 return (0);
         case XCALWD_KEEPALIVE:
                 tid = 0;

@@ -471,11 +471,11 @@
 
                 mutex_enter(&tsp->lock);
                 if (tsp->started == B_TRUE)     /* reinstate */
                         tsp->tid = realtime_timeout(xcalwd_timeout,
                             (void *)(uintptr_t)instance,
-                            drv_usectohz(1000000) * tsp->intvl);
+                            drv_sectohz(tsp->intvl));
                 mutex_exit(&tsp->lock);
                 return (0);
         case XCALWD_GETSTATE:
                 mutex_enter(&tsp->lock);
                 curstate = tsp->started;