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bnx2: Add pci shutdown handler.

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WoL and power state changes will now be done in the shutdown handler.
open/close/ethtool will no longer change the power state.  NVRAM
operations can now be permitted whether the device is up or down.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2013-08-06 15:50:11 -07:00 committed by David S. Miller
parent 28fb4eb4b7
commit 25bfb1dd4b
1 changed files with 25 additions and 22 deletions
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47
drivers/net/ethernet/broadcom/bnx2.c
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@ -6302,7 +6302,6 @@ bnx2_open(struct net_device *dev)
netif_carrier_off(dev);
bnx2_set_power_state(bp, PCI_D0);
bnx2_disable_int(bp);
rc = bnx2_setup_int_mode(bp, disable_msi);
@ -6709,7 +6708,6 @@ bnx2_close(struct net_device *dev)
bnx2_del_napi(bp);
bp->link_up = 0;
netif_carrier_off(bp->dev);
bnx2_set_power_state(bp, PCI_D3hot);
return 0;
}
@ -7144,9 +7142,6 @@ bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
struct bnx2 *bp = netdev_priv(dev);
int rc;
if (!netif_running(dev))
return -EAGAIN;
/* parameters already validated in ethtool_get_eeprom */
rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
@ -7161,9 +7156,6 @@ bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
struct bnx2 *bp = netdev_priv(dev);
int rc;
if (!netif_running(dev))
return -EAGAIN;
/* parameters already validated in ethtool_set_eeprom */
rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
@ -7523,8 +7515,6 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
{
struct bnx2 *bp = netdev_priv(dev);
bnx2_set_power_state(bp, PCI_D0);
memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS);
if (etest->flags & ETH_TEST_FL_OFFLINE) {
int i;
@ -7573,8 +7563,6 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
etest->flags |= ETH_TEST_FL_FAILED;
}
if (!netif_running(bp->dev))
bnx2_set_power_state(bp, PCI_D3hot);
}
static void
@ -7646,8 +7634,6 @@ bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
switch (state) {
case ETHTOOL_ID_ACTIVE:
bnx2_set_power_state(bp, PCI_D0);
bp->leds_save = BNX2_RD(bp, BNX2_MISC_CFG);
BNX2_WR(bp, BNX2_MISC_CFG, BNX2_MISC_CFG_LEDMODE_MAC);
return 1; /* cycle on/off once per second */
@ -7668,9 +7654,6 @@ bnx2_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state)
case ETHTOOL_ID_INACTIVE:
BNX2_WR(bp, BNX2_EMAC_LED, 0);
BNX2_WR(bp, BNX2_MISC_CFG, bp->leds_save);
if (!netif_running(dev))
bnx2_set_power_state(bp, PCI_D3hot);
break;
}
@ -8118,8 +8101,6 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
goto err_out_release;
}
bnx2_set_power_state(bp, PCI_D0);
/* Configure byte swap and enable write to the reg_window registers.
* Rely on CPU to do target byte swapping on big endian systems
* The chip's target access swapping will not swap all accesses
@ -8705,10 +8686,9 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
pci_restore_state(pdev);
pci_save_state(pdev);
if (netif_running(dev)) {
bnx2_set_power_state(bp, PCI_D0);
if (netif_running(dev))
err = bnx2_init_nic(bp, 1);
}
if (!err)
result = PCI_ERS_RESULT_RECOVERED;
}
@ -8752,6 +8732,28 @@ static void bnx2_io_resume(struct pci_dev *pdev)
rtnl_unlock();
}
static void bnx2_shutdown(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct bnx2 *bp;
if (!dev)
return;
bp = netdev_priv(dev);
if (!bp)
return;
rtnl_lock();
if (netif_running(dev))
dev_close(bp->dev);
if (system_state == SYSTEM_POWER_OFF)
bnx2_set_power_state(bp, PCI_D3hot);
rtnl_unlock();
}
static const struct pci_error_handlers bnx2_err_handler = {
.error_detected = bnx2_io_error_detected,
.slot_reset = bnx2_io_slot_reset,
@ -8765,6 +8767,7 @@ static struct pci_driver bnx2_pci_driver = {
.remove = bnx2_remove_one,
.driver.pm = BNX2_PM_OPS,
.err_handler = &bnx2_err_handler,
.shutdown = bnx2_shutdown,
};
module_pci_driver(bnx2_pci_driver);