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DM9000: Use delayed work to update MII PHY state

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Periodically check the MII PHY status to ensure that the
network layer's link status is updated and the user informed
of any changes.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Dooks 2008-05-08 11:36:42 +01:00 committed by Jeff Garzik
parent 37d5dca6af
commit 8f5bf5f25c
1 changed files with 26 additions and 0 deletions
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26
drivers/net/dm9000.c
View file

@ -117,6 +117,9 @@ typedef struct board_info {
struct mutex addr_lock; /* phy and eeprom access lock */
struct delayed_work phy_poll;
struct net_device *ndev;
spinlock_t lock;
struct mii_if_info mii;
@ -297,6 +300,10 @@ static void dm9000_set_io(struct board_info *db, int byte_width)
}
}
static void dm9000_schedule_poll(board_info_t *db)
{
schedule_delayed_work(&db->phy_poll, HZ * 2);
}
/* Our watchdog timed out. Called by the networking layer */
static void dm9000_timeout(struct net_device *dev)
@ -465,6 +472,17 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
.set_eeprom = dm9000_set_eeprom,
};
static void
dm9000_poll_work(struct work_struct *w)
{
struct delayed_work *dw = container_of(w, struct delayed_work, work);
board_info_t *db = container_of(dw, board_info_t, phy_poll);
mii_check_media(&db->mii, netif_msg_link(db), 0);
if (netif_running(db->ndev))
dm9000_schedule_poll(db);
}
/* dm9000_release_board
*
@ -532,10 +550,14 @@ dm9000_probe(struct platform_device *pdev)
memset(db, 0, sizeof (*db));
db->dev = &pdev->dev;
db->ndev = ndev;
spin_lock_init(&db->lock);
mutex_init(&db->addr_lock);
INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
if (pdev->num_resources < 2) {
ret = -ENODEV;
goto out;
@ -761,6 +783,8 @@ dm9000_open(struct net_device *dev)
mii_check_media(&db->mii, netif_msg_link(db), 1);
netif_start_queue(dev);
dm9000_schedule_poll(db);
return 0;
}
@ -879,6 +903,8 @@ dm9000_stop(struct net_device *ndev)
if (netif_msg_ifdown(db))
dev_dbg(db->dev, "shutting down %s\n", ndev->name);
cancel_delayed_work(&db->phy_poll);
netif_stop_queue(ndev);
netif_carrier_off(ndev);