From ce31b31c68e7e39f29b1257581fbd08ce3ca5589 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 27 Aug 2014 17:04:54 -0700
Subject: [PATCH] net: dsa: allow updating fixed PHY link information
Allow switch drivers to hook a PHY link update callback to perform
port-specific link work.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/net/dsa.h | 3 +++
net/dsa/slave.c | 17 +++++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 2d3835924dd23..2c9563f0b2f49 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -17,6 +17,7 @@
#include <linux/workqueue.h>
#include <linux/of.h>
#include <linux/phy.h>
+#include <linux/phy_fixed.h>
#define DSA_MAX_SWITCHES 4
#define DSA_MAX_PORTS 12
@@ -187,6 +188,8 @@ struct dsa_switch_driver {
*/
void (*adjust_link)(struct dsa_switch *ds, int port,
struct phy_device *phydev);
+ void (*fixed_link_update)(struct dsa_switch *ds, int port,
+ struct fixed_phy_status *st);
/*
* ethtool hardware statistics.
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 398d0663d3ddf..18ff53836fe3a 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -358,6 +358,18 @@ static void dsa_slave_adjust_link(struct net_device *dev)
phy_print_status(p->phy);
}
+static int dsa_slave_fixed_link_update(struct net_device *dev,
+ struct fixed_phy_status *status)
+{
+ struct dsa_slave_priv *p = netdev_priv(dev);
+ struct dsa_switch *ds = p->parent;
+
+ if (ds->drv->fixed_link_update)
+ ds->drv->fixed_link_update(ds, p->port, status);
+
+ return 0;
+}
+
/* slave device setup *******************************************************/
static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
struct net_device *slave_dev)
@@ -365,6 +377,7 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
struct dsa_switch *ds = p->parent;
struct dsa_chip_data *cd = ds->pd;
struct device_node *phy_dn, *port_dn;
+ bool phy_is_fixed = false;
int ret;
port_dn = cd->port_dn[p->port];
@@ -380,6 +393,7 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
pr_err("failed to register fixed PHY\n");
return;
}
+ phy_is_fixed = true;
phy_dn = port_dn;
}
@@ -388,6 +402,9 @@ static void dsa_slave_phy_setup(struct dsa_slave_priv *p,
dsa_slave_adjust_link, 0,
p->phy_interface);
+ if (p->phy && phy_is_fixed)
+ fixed_phy_set_link_update(p->phy, dsa_slave_fixed_link_update);
+
/* We could not connect to a designated PHY, so use the switch internal
* MDIO bus instead
*/
--
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