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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-12 17:17:55 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-12 17:17:55 -0800 |
commit | 9457b24a0955bbdd2e89220a75de69fe09501bba (patch) | |
tree | cb484848e14cc2705c4513ad3ec1f0420a4d55db /drivers/net/ucc_geth.c | |
parent | 80ef913f5e6a84551545016cea709f5e96d0cda6 (diff) | |
parent | 0597d1b99fcfc2c0eada09a698f85ed413d4ba84 (diff) | |
download | kernel_samsung_tuna-9457b24a0955bbdd2e89220a75de69fe09501bba.zip kernel_samsung_tuna-9457b24a0955bbdd2e89220a75de69fe09501bba.tar.gz kernel_samsung_tuna-9457b24a0955bbdd2e89220a75de69fe09501bba.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits)
can-bcm: fix minor heap overflow
gianfar: Do not call device_set_wakeup_enable() under a spinlock
ipv6: Warn users if maximum number of routes is reached.
docs: Add neigh/gc_thresh3 and route/max_size documentation.
axnet_cs: fix resume problem for some Ax88790 chip
ipv6: addrconf: don't remove address state on ifdown if the address is being kept
tcp: Don't change unlocked socket state in tcp_v4_err().
x25: Prevent crashing when parsing bad X.25 facilities
cxgb4vf: add call to Firmware to reset VF State.
cxgb4vf: Fail open if link_start() fails.
cxgb4vf: flesh out PCI Device ID Table ...
cxgb4vf: fix some errors in Gather List to skb conversion
cxgb4vf: fix bug in Generic Receive Offload
cxgb4vf: don't implement trivial (and incorrect) ndo_select_queue()
ixgbe: Look inside vlan when determining offload protocol.
bnx2x: Look inside vlan when determining checksum proto.
vlan: Add function to retrieve EtherType from vlan packets.
virtio-net: init link state correctly
ucc_geth: Fix deadlock
ucc_geth: Do not bring the whole IF down when TX failure.
...
Diffstat (limited to 'drivers/net/ucc_geth.c')
-rw-r--r-- | drivers/net/ucc_geth.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index a4c3f57..acbdab3 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2050,12 +2050,16 @@ static void ucc_geth_stop(struct ucc_geth_private *ugeth) ugeth_vdbg("%s: IN", __func__); + /* + * Tell the kernel the link is down. + * Must be done before disabling the controller + * or deadlock may happen. + */ + phy_stop(phydev); + /* Disable the controller */ ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); - /* Tell the kernel the link is down */ - phy_stop(phydev); - /* Mask all interrupts */ out_be32(ugeth->uccf->p_uccm, 0x00000000); @@ -2065,9 +2069,6 @@ 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 +3551,10 @@ 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 +3583,12 @@ 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 +3602,6 @@ 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); } |