[PATCH 18/20] dpaa_eth: extend delays in ndo_stop

From: Madalin Bucur
Date: Tue Oct 08 2019 - 08:11:40 EST


Make sure all the frames that are in flight have time to be processed
before the interface is completely brought down. Add a missing delay
for the Rx path.

Signed-off-by: Madalin Bucur <madalin.bucur@xxxxxxx>
---
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 97fc067ae269..77edf2e026e8 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -266,7 +266,7 @@ static int dpaa_stop(struct net_device *net_dev)
/* Allow the Fman (Tx) port to process in-flight frames before we
* try switching it off.
*/
- usleep_range(5000, 10000);
+ msleep(200);

err = mac_dev->stop(mac_dev);
if (err < 0)
@@ -283,6 +283,8 @@ static int dpaa_stop(struct net_device *net_dev)
phy_disconnect(net_dev->phydev);
net_dev->phydev = NULL;

+ msleep(200);
+
return err;
}

--
2.1.0