[PATCH net 1/3] net: mvneta: clear interface link status on port disable

From: Gregory CLEMENT
Date: Tue Dec 19 2017 - 12:00:54 EST


From: Yelena Krivosheev <yelena@xxxxxxxxxxx>

When port connect to PHY in polling mode (with poll interval 1 sec),
port and phy link status must be synchronize in order don't loss link
change event.

[gregory.clement@xxxxxxxxxxxxxxxxxx: add fixes tag]
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network unit")
Signed-off-by: Yelena Krivosheev <yelena@xxxxxxxxxxx>
Tested-by: Dmitri Epshtein <dima@xxxxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvneta.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index bc93b69cfd1e..16b2bfb2cf51 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1214,6 +1214,10 @@ static void mvneta_port_disable(struct mvneta_port *pp)
val &= ~MVNETA_GMAC0_PORT_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CTRL_0, val);

+ pp->link = 0;
+ pp->duplex = -1;
+ pp->speed = 0;
+
udelay(200);
}

--
2.15.1