netdev - [PATCH net-next v2 1/5] net: dsa: Provide unique DSA slave MII bus names

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Date:	Mon,  6 Jun 2016 16:14:51 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emlof.net, andrew@...n.ch,
	vivien.didelot@...oirfairelinux.com,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next v2 1/5] net: dsa: Provide unique DSA slave MII bus names

In case we have multiples trees and switches with the same index, we
need to add another discriminating id: the switch tree.

Reviewed-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/slave.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 15a492261895..a51dfedf0014 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -49,7 +49,8 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
 	ds->slave_mii_bus->name = "dsa slave smi";
 	ds->slave_mii_bus->read = dsa_slave_phy_read;
 	ds->slave_mii_bus->write = dsa_slave_phy_write;
-	snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d", ds->index);
+	snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d.%d",
+		 ds->dst->tree, ds->index);
 	ds->slave_mii_bus->parent = ds->dev;
 	ds->slave_mii_bus->phy_mask = ~ds->phys_mii_mask;
 }
-- 
2.7.4