From: Madalin Bucur <madalin.bucur@nxp.com>
Date: Thu, 31 Oct 2019 16:37:57 +0200
Subject: dpaa_eth: extend delays in ndo_stop
Git-commit: e414696d49521b9ceb7734e037d5aa18ef92d8a3
Patch-mainline: v5.5-rc1
References: bsc#1174550
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@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
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 ef81ec32ef57..d8b41a0a7e3c 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;
}
--
2.26.2