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Date:	Thu, 23 Oct 2014 01:35:18 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH 2/2] dsa: mv88e6171: Fix tagging protocol/Kconfig

The mv88e6171 can support two different tagging protocols, DSA and
EDSA. The switch driver structure only allows one protocol to be
enumerated, and DSA was chosen. However the Kconfig entry ensures the
EDSA tagging code is built. With a minimal configuration, we then end
up with a mismatch. The probe is successful, EDSA tagging is used, but
the switch is configured for DSA, resulting in mangled packets.

Change the switch driver structure to enumerate EDSA, fixing the
mismatch.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
Fixes: 42f272539487 ("net: DSA: Marvell mv88e6171 switch driver")
---
 drivers/net/dsa/mv88e6171.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 1020a7af67cf..78d8e876f3aa 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -395,7 +395,7 @@ static int mv88e6171_get_sset_count(struct dsa_switch *ds)
 }
 
 struct dsa_switch_driver mv88e6171_switch_driver = {
-	.tag_protocol		= DSA_TAG_PROTO_DSA,
+	.tag_protocol		= DSA_TAG_PROTO_EDSA,
 	.priv_size		= sizeof(struct mv88e6xxx_priv_state),
 	.probe			= mv88e6171_probe,
 	.setup			= mv88e6171_setup,
-- 
2.1.1

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