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authorBen Dooks <ben-linux@fluff.org>2008-05-08 06:36:42 -0400
committerJeff Garzik <jgarzik@redhat.com>2008-05-13 01:31:47 -0400
commit8f5bf5f25cdf9270f33ed347c582a3a451d3c38a (patch)
tree320695f1bb323d41a36751d13d332cda0f8b8100
parent37d5dca6af6b62bbb2c63f46a06cb07d0cf4522b (diff)
DM9000: Use delayed work to update MII PHY state
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>
-rw-r--r--drivers/net/dm9000.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 7c49f336b440..d45bcd2660af 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -117,6 +117,9 @@ typedef struct board_info {
117 117
118 struct mutex addr_lock; /* phy and eeprom access lock */ 118 struct mutex addr_lock; /* phy and eeprom access lock */
119 119
120 struct delayed_work phy_poll;
121 struct net_device *ndev;
122
120 spinlock_t lock; 123 spinlock_t lock;
121 124
122 struct mii_if_info mii; 125 struct mii_if_info mii;
@@ -297,6 +300,10 @@ static void dm9000_set_io(struct board_info *db, int byte_width)
297 } 300 }
298} 301}
299 302
303static void dm9000_schedule_poll(board_info_t *db)
304{
305 schedule_delayed_work(&db->phy_poll, HZ * 2);
306}
300 307
301/* Our watchdog timed out. Called by the networking layer */ 308/* Our watchdog timed out. Called by the networking layer */
302static void dm9000_timeout(struct net_device *dev) 309static void dm9000_timeout(struct net_device *dev)
@@ -465,6 +472,17 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
465 .set_eeprom = dm9000_set_eeprom, 472 .set_eeprom = dm9000_set_eeprom,
466}; 473};
467 474
475static void
476dm9000_poll_work(struct work_struct *w)
477{
478 struct delayed_work *dw = container_of(w, struct delayed_work, work);
479 board_info_t *db = container_of(dw, board_info_t, phy_poll);
480
481 mii_check_media(&db->mii, netif_msg_link(db), 0);
482
483 if (netif_running(db->ndev))
484 dm9000_schedule_poll(db);
485}
468 486
469/* dm9000_release_board 487/* dm9000_release_board
470 * 488 *
@@ -532,10 +550,14 @@ dm9000_probe(struct platform_device *pdev)
532 memset(db, 0, sizeof (*db)); 550 memset(db, 0, sizeof (*db));
533 551
534 db->dev = &pdev->dev; 552 db->dev = &pdev->dev;
553 db->ndev = ndev;
535 554
536 spin_lock_init(&db->lock); 555 spin_lock_init(&db->lock);
537 mutex_init(&db->addr_lock); 556 mutex_init(&db->addr_lock);
538 557
558 INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
559
560
539 if (pdev->num_resources < 2) { 561 if (pdev->num_resources < 2) {
540 ret = -ENODEV; 562 ret = -ENODEV;
541 goto out; 563 goto out;
@@ -761,6 +783,8 @@ dm9000_open(struct net_device *dev)
761 783
762 mii_check_media(&db->mii, netif_msg_link(db), 1); 784 mii_check_media(&db->mii, netif_msg_link(db), 1);
763 netif_start_queue(dev); 785 netif_start_queue(dev);
786
787 dm9000_schedule_poll(db);
764 788
765 return 0; 789 return 0;
766} 790}
@@ -879,6 +903,8 @@ dm9000_stop(struct net_device *ndev)
879 if (netif_msg_ifdown(db)) 903 if (netif_msg_ifdown(db))
880 dev_dbg(db->dev, "shutting down %s\n", ndev->name); 904 dev_dbg(db->dev, "shutting down %s\n", ndev->name);
881 905
906 cancel_delayed_work(&db->phy_poll);
907
882 netif_stop_queue(ndev); 908 netif_stop_queue(ndev);
883 netif_carrier_off(ndev); 909 netif_carrier_off(ndev);
884 910