void ioat2_issue_pending(struct dma_chan *c)
{
	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);

	if (ioat2_ring_pending(ioat)) {
		spin_lock_bh(&ioat->prep_lock);
		__ioat2_issue_pending(ioat);
		spin_unlock_bh(&ioat->prep_lock);
	}
}
void ioat2_issue_pending(struct dma_chan *c)
{
	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);

	if (ioat2_ring_pending(ioat)) {
		spin_lock_bh(&ioat->prep_lock);
		__ioat2_issue_pending(ioat);
		spin_unlock_bh(&ioat->prep_lock);
	}
}