linux-kernel - [PATCH net-next v4 05/13] net: mvpp2: simplify the link

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Date:   Wed, 30 Aug 2017 10:29:16 +0200
From:   Antoine Tenart <antoine.tenart@...e-electrons.com>
To:     davem@...emloft.net, kishon@...com, andrew@...n.ch,
        jason@...edaemon.net, sebastian.hesselbarth@...il.com,
        gregory.clement@...e-electrons.com
Cc:     Antoine Tenart <antoine.tenart@...e-electrons.com>,
        thomas.petazzoni@...e-electrons.com, nadavh@...vell.com,
        linux@...linux.org.uk, linux-kernel@...r.kernel.org,
        mw@...ihalf.com, stefanc@...vell.com,
        miquel.raynal@...e-electrons.com, netdev@...r.kernel.org
Subject: [PATCH net-next v4 05/13] net: mvpp2: simplify the link_event function

The link_event function is somewhat complicated. This cosmetic patch
simplifies it.

Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
---
 drivers/net/ethernet/marvell/mvpp2.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index fab231858a41..9c0c81e68d55 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -5740,7 +5740,6 @@ static void mvpp2_link_event(struct net_device *dev)
 {
 	struct mvpp2_port *port = netdev_priv(dev);
 	struct phy_device *phydev = dev->phydev;
-	int status_change = 0;
 	u32 val;
 
 	if (phydev->link) {
@@ -5771,16 +5770,8 @@ static void mvpp2_link_event(struct net_device *dev)
 	}
 
 	if (phydev->link != port->link) {
-		if (!phydev->link) {
-			port->duplex = -1;
-			port->speed = 0;
-		}
-
 		port->link = phydev->link;
-		status_change = 1;
-	}
 
-	if (status_change) {
 		if (phydev->link) {
 			val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
 			val |= (MVPP2_GMAC_FORCE_LINK_PASS |
@@ -5789,9 +5780,13 @@ static void mvpp2_link_event(struct net_device *dev)
 			mvpp2_egress_enable(port);
 			mvpp2_ingress_enable(port);
 		} else {
+			port->duplex = -1;
+			port->speed = 0;
+
 			mvpp2_ingress_disable(port);
 			mvpp2_egress_disable(port);
 		}
+
 		phy_print_status(phydev);
 	}
 }
-- 
2.13.5