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>

2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 53a4cbb78f47..95ae7b3139ec 100644
--- a/drivers/dma/ioat/dma.h
+++ b/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);
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index e8336cce360b..dc8dcfb7a8a6 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/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 *