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-rw-r--r--package/kernel/ep80579-drivers/patches/102-iegbe_nuke_polling_netdev.patch103
1 files changed, 103 insertions, 0 deletions
diff --git a/package/kernel/ep80579-drivers/patches/102-iegbe_nuke_polling_netdev.patch b/package/kernel/ep80579-drivers/patches/102-iegbe_nuke_polling_netdev.patch
new file mode 100644
index 0000000..f7ca627
--- /dev/null
+++ b/package/kernel/ep80579-drivers/patches/102-iegbe_nuke_polling_netdev.patch
@@ -0,0 +1,103 @@
+--- a/Embedded/src/GbE/iegbe.h
++++ b/Embedded/src/GbE/iegbe.h
+@@ -316,7 +316,6 @@ struct iegbe_adapter {
+ int cleaned_count);
+ struct iegbe_rx_ring *rx_ring; /* One per active queue */
+ struct napi_struct napi;
+- struct net_device *polling_netdev; /* One per active queue */
+
+ int num_tx_queues;
+ int num_rx_queues;
+--- a/Embedded/src/GbE/iegbe_main.c
++++ b/Embedded/src/GbE/iegbe_main.c
+@@ -763,7 +763,7 @@ static int __devinit iegbe_probe(struct
+ struct iegbe_hw *hw;
+
+ static int cards_found = 0;
+- int i, err, pci_using_dac;
++ int err, pci_using_dac;
+ u16 eeprom_data = 0;
+ u16 eeprom_apme_mask = E1000_EEPROM_APME;
+ int bars;
+@@ -984,11 +984,8 @@ err_eeprom:
+ iegbe_phy_hw_reset(hw);
+ if (hw->flash_address)
+ iounmap(hw->flash_address);
+- for (i = 0; i < adapter->num_rx_queues; i++)
+- dev_put(&adapter->polling_netdev[i]);
+ kfree(adapter->tx_ring);
+ kfree(adapter->rx_ring);
+- kfree(adapter->polling_netdev);
+ err_sw_init:
+ iounmap(hw->hw_addr);
+ err_ioremap:
+@@ -1017,7 +1014,6 @@ iegbe_remove(struct pci_dev *pdev)
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct iegbe_adapter *adapter = netdev_priv(netdev);
+ uint32_t manc;
+- int i;
+
+ if(adapter->hw.mac_type >= iegbe_82540
+ && adapter->hw.mac_type != iegbe_icp_xxxx
+@@ -1030,15 +1026,11 @@ iegbe_remove(struct pci_dev *pdev)
+ }
+
+ unregister_netdev(netdev);
+- for (i = 0x0; i < adapter->num_rx_queues; i++)
+- dev_put(&adapter->polling_netdev[i]);
+-
+ if(!iegbe_check_phy_reset_block(&adapter->hw)) {
+ iegbe_phy_hw_reset(&adapter->hw);
+ }
+ kfree(adapter->tx_ring);
+ kfree(adapter->rx_ring);
+- kfree(adapter->polling_netdev);
+
+ iounmap(adapter->hw.hw_addr);
+ pci_release_regions(pdev);
+@@ -1061,7 +1053,6 @@ iegbe_sw_init(struct iegbe_adapter *adap
+ struct iegbe_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+- int i;
+
+ /* PCI config space info */
+
+@@ -1111,11 +1102,6 @@ iegbe_sw_init(struct iegbe_adapter *adap
+ return -ENOMEM;
+ }
+
+- for (i = 0; i < adapter->num_rx_queues; i++) {
+- adapter->polling_netdev[i].priv = adapter;
+- dev_hold(&adapter->polling_netdev[i]);
+- set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
+- }
+ spin_lock_init(&adapter->tx_queue_lock);
+
+ /*
+@@ -1137,8 +1123,7 @@ iegbe_sw_init(struct iegbe_adapter *adap
+ * @adapter: board private structure to initialize
+ *
+ * We allocate one ring per queue at run-time since we don't know the
+- * number of queues at compile-time. The polling_netdev array is
+- * intended for Multiqueue, but should work fine with a single queue.
++ * number of queues at compile-time.
+ **/
+
+ static int __devinit
+@@ -1158,15 +1143,6 @@ iegbe_alloc_queues(struct iegbe_adapter
+ return -ENOMEM;
+ }
+
+- adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
+- sizeof(struct net_device),
+- GFP_KERNEL);
+- if (!adapter->polling_netdev) {
+- kfree(adapter->tx_ring);
+- kfree(adapter->rx_ring);
+- return -ENOMEM;
+- }
+-
+ return E1000_SUCCESS;
+ }
+