ioatdma: make debug output more readable

Making OP field a hex instead of integer to make it more readable. Also add
the dump out of the NEXT field.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <djbw@fb.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/ioat/dma.h

@@ -179,7 +179,7 @@ __dump_desc_dbg(struct ioat_chan_common *chan, struct ioat_dma_descriptor *hw,
 	struct device *dev = to_dev(chan);
 
 	dev_dbg(dev, "desc[%d]: (%#llx->%#llx) cookie: %d flags: %#x"
-		" ctl: %#x (op: %d int_en: %d compl: %d)\n", id,
+		" ctl: %#10.8x (op: %#x int_en: %d compl: %d)\n", id,
 		(unsigned long long) tx->phys,
 		(unsigned long long) hw->next, tx->cookie, tx->flags,
 		hw->ctl, hw->ctl_f.op, hw->ctl_f.int_en, hw->ctl_f.compl_write);

drivers/dma/ioat/dma_v3.c

@@ -605,7 +605,7 @@ dump_pq_desc_dbg(struct ioat2_dma_chan *ioat, struct ioat_ring_ent *desc, struct
 	int i;
 
 	dev_dbg(dev, "desc[%d]: (%#llx->%#llx) flags: %#x"
-		" sz: %#x ctl: %#x (op: %d int: %d compl: %d pq: '%s%s' src_cnt: %d)\n",
+		" sz: %#10.8x ctl: %#x (op: %#x int: %d compl: %d pq: '%s%s' src_cnt: %d)\n",
 		desc_id(desc), (unsigned long long) desc->txd.phys,
 		(unsigned long long) (pq_ex ? pq_ex->next : pq->next),
 		desc->txd.flags, pq->size, pq->ctl, pq->ctl_f.op, pq->ctl_f.int_en,
@@ -617,6 +617,7 @@ dump_pq_desc_dbg(struct ioat2_dma_chan *ioat, struct ioat_ring_ent *desc, struct
 			(unsigned long long) pq_get_src(descs, i), pq->coef[i]);
 	dev_dbg(dev, "\tP: %#llx\n", pq->p_addr);
 	dev_dbg(dev, "\tQ: %#llx\n", pq->q_addr);
+	dev_dbg(dev, "\tNEXT: %#llx\n", pq->next);
 }
 
 static struct dma_async_tx_descriptor *