From 483991c363ddf316b758ce87ef7d837a6eeeceea Mon Sep 17 00:00:00 2001
From: matteo <matteo@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Tue, 17 May 2011 11:12:56 +0000
Subject: [PATCH] ar71xx: detect link on LAN ports
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26922 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../ar71xx/files/drivers/net/ag71xx/ag71xx.h | 1 +
.../files/drivers/net/ag71xx/ag71xx_ar7240.c | 30 ++++++++++++++++++-
.../files/drivers/net/ag71xx/ag71xx_phy.c | 4 +--
3 files changed, 32 insertions(+), 3 deletions(-)
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index 342d12186..30caaff02 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -162,6 +162,7 @@ struct ag71xx {
int duplex;
struct work_struct restart_work;
+ struct delayed_work link_work;
struct timer_list oom_timer;
#ifdef CONFIG_AG71XX_DEBUG_FS
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
index 1bc7f58c1..d84cc81ae 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
@@ -828,6 +828,30 @@ static struct ar7240sw *ar7240_probe(struct ag71xx *ag)
return as;
}
+static void link_function(struct work_struct *work) {
+ struct ag71xx *ag = container_of(work, struct ag71xx, link_work.work);
+ unsigned long flags;
+ int i;
+ int status = 0;
+
+ for (i = 0; i < 4; i++) {
+ int link = ar7240sw_phy_read(ag->mii_bus, i, MII_BMSR);
+ if(link & BMSR_LSTATUS) {
+ status = 1;
+ break;
+ }
+ }
+
+ spin_lock_irqsave(&ag->lock, flags);
+ if(status != ag->link) {
+ ag->link = status;
+ ag71xx_link_adjust(ag);
+ }
+ spin_unlock_irqrestore(&ag->lock, flags);
+
+ schedule_delayed_work(&ag->link_work, HZ / 2);
+}
+
void ag71xx_ar7240_start(struct ag71xx *ag)
{
struct ar7240sw *as = ag->phy_priv;
@@ -836,15 +860,17 @@ void ag71xx_ar7240_start(struct ag71xx *ag)
ar7240sw_setup(as);
ag->speed = SPEED_1000;
- ag->link = 1;
ag->duplex = 1;
ar7240_set_addr(as, ag->dev->dev_addr);
ar7240_hw_apply(&as->swdev);
+
+ schedule_delayed_work(&ag->link_work, HZ / 10);
}
void ag71xx_ar7240_stop(struct ag71xx *ag)
{
+ cancel_delayed_work_sync(&ag->link_work);
}
int __devinit ag71xx_ar7240_init(struct ag71xx *ag)
@@ -858,6 +884,8 @@ int __devinit ag71xx_ar7240_init(struct ag71xx *ag)
ag->phy_priv = as;
ar7240sw_reset(as);
+ INIT_DELAYED_WORK(&ag->link_work, link_function);
+
return 0;
}
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
index d0bae03b1..75500277f 100644
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
@@ -48,9 +48,9 @@ void ag71xx_phy_start(struct ag71xx *ag)
if (ag->phy_dev) {
phy_start(ag->phy_dev);
+ } else if (pdata->has_ar7240_switch) {
+ ag71xx_ar7240_start(ag);
} else {
- if (pdata->has_ar7240_switch)
- ag71xx_ar7240_start(ag);
ag->link = 1;
ag71xx_link_adjust(ag);
}
--
2.20.1