CRB_START_INVOKE
if ((ioread32(&priv->regs_t->ctrl_start) & CRB_START_INVOKE) !=
CRB_START_INVOKE)
iowrite32(CRB_START_INVOKE, &priv->regs_t->ctrl_start);
iowrite32(CRB_START_INVOKE, &priv->regs_t->ctrl_start);
iowrite32(CRB_START_INVOKE, &priv->regs_t->ctrl_start);