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| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2010-11-12 03:55:08 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-12 12:21:17 -0800 |
| commit | 2040bd57b5f0c52dc4503e0e960b1dcafaf30a8b (patch) | |
| tree | 3c1f30cc90180320af9dc476bc16fb6abe07ce77 /drivers/net/ucc_geth.c | |
| parent | 1f18b7176e2e41fada24584ce3c80e9abfaca52b (diff) | |
| download | linux-2040bd57b5f0c52dc4503e0e960b1dcafaf30a8b.tar.gz linux-2040bd57b5f0c52dc4503e0e960b1dcafaf30a8b.tar.bz2 linux-2040bd57b5f0c52dc4503e0e960b1dcafaf30a8b.zip | |
ucc_geth: Do not bring the whole IF down when TX failure.
ucc_geth_close lacks a cancel_work_sync(&ugeth->timeout_work)
to stop any outstanding processing of TX fail. However, one
can not call cancel_work_sync without fixing the timeout function
otherwise it will deadlock. This patch brings ucc_geth in line with
gianfar:
Don't bring the interface down and up, just reinit controller HW
and PHY.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Reviewed-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ucc_geth.c')
| -rw-r--r-- | drivers/net/ucc_geth.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index a4c3f5708246..cf6653f71d23 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2065,9 +2065,6 @@ static void ucc_geth_stop(struct ucc_geth_private *ugeth) /* Disable Rx and Tx */ clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); - phy_disconnect(ugeth->phydev); - ugeth->phydev = NULL; - ucc_geth_memclean(ugeth); } @@ -3550,7 +3547,10 @@ static int ucc_geth_close(struct net_device *dev) napi_disable(&ugeth->napi); + cancel_work_sync(&ugeth->timeout_work); ucc_geth_stop(ugeth); + phy_disconnect(ugeth->phydev); + ugeth->phydev = NULL; free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev); @@ -3579,8 +3579,12 @@ static void ucc_geth_timeout_work(struct work_struct *work) * Must reset MAC *and* PHY. This is done by reopening * the device. */ - ucc_geth_close(dev); - ucc_geth_open(dev); + netif_tx_stop_all_queues(dev); + ucc_geth_stop(ugeth); + ucc_geth_init_mac(ugeth); + /* Must start PHY here */ + phy_start(ugeth->phydev); + netif_tx_start_all_queues(dev); } netif_tx_schedule_all(dev); @@ -3594,7 +3598,6 @@ static void ucc_geth_timeout(struct net_device *dev) { struct ucc_geth_private *ugeth = netdev_priv(dev); - netif_carrier_off(dev); schedule_work(&ugeth->timeout_work); } |