netdev - [PATCH net-next] net: dsa: mv88e6xxx: fix 6185 hardware bridging

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Date:	Fri, 25 Mar 2016 13:01:59 -0400
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Lunn <andrew@...n.ch>,
	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next] net: dsa: mv88e6xxx: fix 6185 hardware bridging

The 88E6185 switch also has a MapDA bit in its Port Control 2 register.
When this bit is cleared, all frames are sent out to the CPU port.

Set this bit to rely on ATU hits and direct the frame out of the correct
ports, and thus enable hardware bridging.

Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
 drivers/net/dsa/mv88e6xxx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 4332b15..85ed3e2 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2586,7 +2586,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
 	reg = 0;
 	if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
 	    mv88e6xxx_6165_family(ds) || mv88e6xxx_6097_family(ds) ||
-	    mv88e6xxx_6095_family(ds) || mv88e6xxx_6320_family(ds))
+	    mv88e6xxx_6095_family(ds) || mv88e6xxx_6320_family(ds) ||
+	    mv88e6xxx_6185_family(ds))
 		reg = PORT_CONTROL_2_MAP_DA;
 
 	if (mv88e6xxx_6352_family(ds) || mv88e6xxx_6351_family(ds) ||
-- 
2.7.4