From mboxrd@z Thu Jan 1 00:00:00 1970 From: troy.kisky@boundarydevices.com (Troy Kisky) Date: Wed, 24 Feb 2016 17:36:53 -0700 Subject: [PATCH net-next V2 10/16] net: fec: clear cbd_sc after transmission to help with debugging In-Reply-To: <1456360619-24390-1-git-send-email-troy.kisky@boundarydevices.com> References: <1456360619-24390-1-git-send-email-troy.kisky@boundarydevices.com> Message-ID: <1456360619-24390-11-git-send-email-troy.kisky@boundarydevices.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When the tx queue is dumped, it is easier to see that this entry is idle. Signed-off-by: Troy Kisky --- drivers/net/ethernet/freescale/fec_main.c | 2 ++ 1 file changed, 2 insertions(+) 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); -- 2.5.0