linux-kernel - [PATCH net-next 01/13] net: mvpp2: do not call phylink_mac

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Message-Id: <20190215153241.6857-2-antoine.tenart@bootlin.com>
Date:   Fri, 15 Feb 2019 16:32:29 +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 01/13] net: mvpp2: do not call phylink_mac_change if there is no event

This patch makes the link interrupt handler to avoid calling
phylink_mac_change when there are no event.

Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index b42189260670..857b079f1a29 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -2477,14 +2477,14 @@ static irqreturn_t mvpp2_link_status_isr(int irq, void *dev_id)
 		}
 	}
 
+	if (!netif_running(dev) || !event)
+		goto handled;
+
 	if (port->phylink) {
 		phylink_mac_change(port->phylink, link);
 		goto handled;
 	}
 
-	if (!netif_running(dev) || !event)
-		goto handled;
-
 	if (link) {
 		mvpp2_interrupts_enable(port);
 
-- 
2.20.1