netdev - [PATCH net-next v2 04/12] net: dsa: retain a per-port device

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Message-Id: <1407277906-19989-5-git-send-email-f.fainelli@gmail.com>
Date:	Tue,  5 Aug 2014 15:31:38 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, linville@...driver.com,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next v2 04/12] net: dsa: retain a per-port device_node pointer

We will later use the per-port device_node pointer to fetch a bunch of
port-specific properties.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
Changes in v2:
- assign slave_dev->dev.of_node for various OF routines to work correctly

 include/net/dsa.h | 1 +
 net/dsa/dsa.c     | 2 ++
 net/dsa/slave.c   | 1 +
 3 files changed, 4 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 9a16c5290738..c435eaa772d5 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -41,6 +41,7 @@ struct dsa_chip_data {
 	 * or any other string to indicate this is a physical port.
 	 */
 	char		*port_names[DSA_MAX_PORTS];
+	struct device_node *port_dn[DSA_MAX_PORTS];
 
 	/*
 	 * An array (with nr_chips elements) of which element [a]
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 069586547cf5..788b2b2f39f2 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -432,6 +432,8 @@ static int dsa_of_probe(struct platform_device *pdev)
 			if (!port_name)
 				continue;
 
+			cd->port_dn[port_index] = port;
+
 			cd->port_names[port_index] = kstrdup(port_name,
 					GFP_KERNEL);
 			if (!cd->port_names[port_index]) {
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 45a1e34c89e0..9e4d3816c54e 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -371,6 +371,7 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent,
 	}
 
 	SET_NETDEV_DEV(slave_dev, parent);
+	slave_dev->dev.of_node = ds->pd->port_dn[port];
 	slave_dev->vlan_features = master->vlan_features;
 
 	p = netdev_priv(slave_dev);
-- 
1.9.1

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