netdev - [RFC net-next 04/11] net: dsa: retain a per-port device

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Date:	Tue, 13 May 2014 22:00:30 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, Florian Fainelli <f.fainelli@...il.com>,
	nhorman@...driver.com, andy@...yhouse.net, tgraf@...g.ch,
	dborkman@...hat.com, ogerlitz@...lanox.com, jesse@...ira.com,
	pshelar@...ira.com, azhou@...ira.com, ben@...adent.org.uk,
	stephen@...workplumber.org, jeffrey.t.kirsher@...el.com,
	vyasevic@...hat.com, xiyou.wangcong@...il.com,
	john.r.fastabend@...el.com, edumazet@...gle.com, jhs@...atatu.com,
	sfeldma@...ulusnetworks.com, roopa@...ulusnetworks.com,
	linville@...driver.com, jasowang@...hat.com, ebiederm@...ssion.com,
	nicolas.dichtel@...nd.com, ryazanov.s.a@...il.com,
	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com
Subject: [RFC net-next 04/11] 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>
---
 include/net/dsa.h | 1 +
 net/dsa/dsa.c     | 2 ++
 2 files changed, 3 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 7808dbceff96..ac05d55dfdd3 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]) {
-- 
1.9.1

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