diff mbox

[net-next,V2,10/16] net: fec: clear cbd_sc after transmission to help with debugging

Message ID 1456360619-24390-11-git-send-email-troy.kisky@boundarydevices.com (mailing list archive)
State New, archived
Headers show

Commit Message

Troy Kisky Feb. 25, 2016, 12:36 a.m. UTC 
When the tx queue is dumped, it is easier to see that this
entry is idle.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
---
 drivers/net/ethernet/freescale/fec_main.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1902897..96a0394 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1164,6 +1164,8 @@  static void fec_txq(struct net_device *ndev, struct fec_enet_private *fep,
 			}
 			break;
 		}
+		bdp->cbd_sc = cpu_to_fec16((bdp == txq->bd.last) ?
+					   BD_SC_WRAP : 0);
 
 		index = fec_enet_get_bd_index(bdp, &txq->bd);