XXXX introduce drv_sectohz

@@ -3920,11 +3920,11 @@
                  * every mod_uninstall_interval seconds.  Periodic uninstall can
                  * be disabled by setting mod_uninstall_interval to 0 which is
                  * the default for a non-DEBUG kernel.
                  */
                 if (mod_uninstall_interval) {
-                        ticks = drv_usectohz(mod_uninstall_interval * 1000000);
+                        ticks = drv_sectohz(mod_uninstall_interval);
                         (void) cv_reltimedwait(&mod_uninstall_cv,
                             &mod_uninstall_lock, ticks, TR_CLOCK_TICK);
                 } else {
                         cv_wait(&mod_uninstall_cv, &mod_uninstall_lock);
                 }