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ixgbe: Fix FW init/release, make this code a function 

A gap was left in the FW release/grab code in up/down path. Fix
it by making the release/grab code a function and calling it in
appropriate locations.

Signed-off-by: Ayyappan Veeraiyan <ayyappan.veeraiyan@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Ayyappan Veeraiyan 2008-02-01 15:59:04 -08:00 committed by Jeff Garzik
parent 9c83b070ed
commit 5eba3699a3
1 changed files with 28 additions and 10 deletions
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38
drivers/net/ixgbe/ixgbe_main.c
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@ -87,6 +87,25 @@ MODULE_VERSION(DRV_VERSION);
#define DEFAULT_DEBUG_LEVEL_SHIFT 3 #define DEFAULT_DEBUG_LEVEL_SHIFT 3
static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter)
{
u32 ctrl_ext;
/* Let firmware take over control of h/w */
ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD);
}
static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter)
{
u32 ctrl_ext;
/* Let firmware know the driver has taken over */
ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD);
}
#ifdef DEBUG #ifdef DEBUG
/** /**
@ -1204,6 +1223,8 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
u32 txdctl, rxdctl, mhadd; u32 txdctl, rxdctl, mhadd;
int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN; int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
ixgbe_get_hw_control(adapter);
if (adapter->flags & (IXGBE_FLAG_MSIX_ENABLED | if (adapter->flags & (IXGBE_FLAG_MSIX_ENABLED |
IXGBE_FLAG_MSI_ENABLED)) { IXGBE_FLAG_MSI_ENABLED)) {
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
@ -1490,6 +1511,8 @@ static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state)
pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0); pci_enable_wake(pdev, PCI_D3cold, 0);
ixgbe_release_hw_control(adapter);
pci_disable_device(pdev); pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state)); pci_set_power_state(pdev, pci_choose_state(pdev, state));
@ -1891,14 +1914,8 @@ static int ixgbe_open(struct net_device *netdev)
{ {
struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_adapter *adapter = netdev_priv(netdev);
int err; int err;
u32 ctrl_ext;
u32 num_rx_queues = adapter->num_rx_queues; u32 num_rx_queues = adapter->num_rx_queues;
/* Let firmware know the driver has taken over */
ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD);
try_intr_reinit: try_intr_reinit:
/* allocate transmit descriptors */ /* allocate transmit descriptors */
err = ixgbe_setup_all_tx_resources(adapter); err = ixgbe_setup_all_tx_resources(adapter);
@ -1949,6 +1966,7 @@ try_intr_reinit:
return 0; return 0;
err_up: err_up:
ixgbe_release_hw_control(adapter);
ixgbe_free_irq(adapter); ixgbe_free_irq(adapter);
err_req_irq: err_req_irq:
ixgbe_free_all_rx_resources(adapter); ixgbe_free_all_rx_resources(adapter);
@ -1974,7 +1992,6 @@ err_setup_tx:
static int ixgbe_close(struct net_device *netdev) static int ixgbe_close(struct net_device *netdev)
{ {
struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_adapter *adapter = netdev_priv(netdev);
u32 ctrl_ext;
ixgbe_down(adapter); ixgbe_down(adapter);
ixgbe_free_irq(adapter); ixgbe_free_irq(adapter);
@ -1982,9 +1999,7 @@ static int ixgbe_close(struct net_device *netdev)
ixgbe_free_all_tx_resources(adapter); ixgbe_free_all_tx_resources(adapter);
ixgbe_free_all_rx_resources(adapter); ixgbe_free_all_rx_resources(adapter);
ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); ixgbe_release_hw_control(adapter);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD);
return 0; return 0;
} }
@ -2749,6 +2764,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
return 0; return 0;
err_register: err_register:
ixgbe_release_hw_control(adapter);
err_hw_init: err_hw_init:
err_sw_init: err_sw_init:
err_eeprom: err_eeprom:
@ -2784,6 +2800,8 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
unregister_netdev(netdev); unregister_netdev(netdev);
ixgbe_release_hw_control(adapter);
kfree(adapter->tx_ring); kfree(adapter->tx_ring);
kfree(adapter->rx_ring); kfree(adapter->rx_ring);