+static void dsps_musb_try_idle(struct musb *musb, unsigned long timeout)
+{
+ struct device *dev = musb->controller;
+ struct dsps_glue *glue = dev_get_drvdata(dev->parent);
+
+ if (timeout == 0)
+ timeout = jiffies + msecs_to_jiffies(3);
+
+ /* Never idle if active, or when VBUS timeout is not set as host */
+ if (musb->is_active || (musb->a_wait_bcon == 0 &&
+ musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) {
+ dev_dbg(musb->controller, "%s active, deleting timer\n",
+ usb_otg_state_string(musb->xceiv->state));
+ del_timer(&glue->timer);
+ glue->last_timer = jiffies;
+ return;
+ }
+ if (musb->port_mode == MUSB_PORT_MODE_HOST)
+ return;
+
+ if (!musb->g.dev.driver)
+ return;
+
+ if (time_after(glue->last_timer, timeout) &&
+ timer_pending(&glue->timer)) {
+ dev_dbg(musb->controller,
+ "Longer idle timer already pending, ignoring...\n");
+ return;
+ }
+ glue->last_timer = timeout;
+
+ dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n",
+ usb_otg_state_string(musb->xceiv->state),
+ jiffies_to_msecs(timeout - jiffies));
+ mod_timer(&glue->timer, timeout);
+}
+