bnx2: Add pci shutdown handler.

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>

diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 27a128ce8c7b1a533faef732e2597bfa08264722..88f5ab1328349e15883c2c754adc51e5488f2429 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -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);