static ssize_t ring_active_show(struct dma_chan *c, char *page)
{
	struct ioat_dma_chan *ioat = to_ioat_chan(c);

	return sprintf(page, "%d\n", ioat->active);
}
static ssize_t ring_active_show(struct dma_chan *c, char *page)
{
	struct ioat_dma_chan *ioat = to_ioat_chan(c);

	return sprintf(page, "%d\n", ioat->active);
}