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Date:   Thu, 28 Feb 2019 14:21:18 +0100
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, linux@...linux.org.uk
Cc:     Antoine Tenart <antoine.tenart@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, maxime.chevallier@...tlin.com,
        gregory.clement@...tlin.com, miquel.raynal@...tlin.com,
        nadavh@...vell.com, stefanc@...vell.com, ymarkman@...vell.com,
        mw@...ihalf.com
Subject: [PATCH net-next 05/15] net: mvpp2: reconfiguring the port interface is PPv2.2 specific

This patch adds a check on the PPv2 version in-use not to reconfigure
the port mode when an interface is updated when using PPv2.1 as the
functions called are PPv2.2 specific.

Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 71a3fdb76b12..204cae75a05b 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4673,16 +4673,14 @@ static void mvpp2_mac_config(struct net_device *dev, unsigned int mode,
 
 	/* Make sure the port is disabled when reconfiguring the mode */
 	mvpp2_port_disable(port);
-	if (change_interface) {
+	if (port->priv->hw_version == MVPP22 && change_interface) {
 		mvpp22_gop_mask_irq(port);
 
-		if (port->priv->hw_version == MVPP22) {
-			port->phy_interface = state->interface;
+		port->phy_interface = state->interface;
 
-			/* Reconfigure the serdes lanes */
-			phy_power_off(port->comphy);
-			mvpp22_mode_reconfigure(port);
-		}
+		/* Reconfigure the serdes lanes */
+		phy_power_off(port->comphy);
+		mvpp22_mode_reconfigure(port);
 	}
 
 	/* mac (re)configuration */
@@ -4696,7 +4694,7 @@ static void mvpp2_mac_config(struct net_device *dev, unsigned int mode,
 	if (port->priv->hw_version == MVPP21 && port->flags & MVPP2_F_LOOPBACK)
 		mvpp2_port_loopback_set(port, state);
 
-	if (change_interface)
+	if (port->priv->hw_version == MVPP22 && change_interface)
 		mvpp22_gop_unmask_irq(port);
 
 	mvpp2_port_enable(port);
-- 
2.20.1

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