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| author | dhananjay.phadke@gmail.com <dhananjay.phadke@gmail.com> | 2007-07-02 00:25:59 +0530 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-02 08:24:52 -0400 |
| commit | 644caeefb3bbf539e74b7098648ff0bfc9e52bb3 (patch) | |
| tree | ebd1e3c09638190b25576ed970cea3cc0719170c | |
| parent | b8f59586cecdb612cd31f4d9e7904f46277ddd64 (diff) | |
| download | blackbird-op-linux-644caeefb3bbf539e74b7098648ff0bfc9e52bb3.tar.gz blackbird-op-linux-644caeefb3bbf539e74b7098648ff0bfc9e52bb3.zip | |
RESEND [PATCH 1/3] NetXen: Fix issue of MSI not working correctly
NetXen driver uses PCI function 0 to provide the functionality of MSI.
The patch makes driver check the bus master bit for function 0 and
enable it after the card initialization.
Signed-off-by: Dhananjay Phadke<dhananjay@netxen.com>
Signed-off-by: Milan Bag <mbag@netxen.com>
Signed-off-by: Wen Xiong <wenxiong@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 6167b58d2731..663bc47c1f63 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -336,11 +336,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - if (pci_enable_msi(pdev)) { + if (pci_enable_msi(pdev)) adapter->flags &= ~NETXEN_NIC_MSI_ENABLED; - printk(KERN_WARNING "%s: unable to allocate MSI interrupt" - " error\n", netxen_nic_driver_name); - } else + else adapter->flags |= NETXEN_NIC_MSI_ENABLED; netdev->irq = pdev->irq; @@ -355,13 +353,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* initialize the adapter */ netxen_initialize_adapter_hw(adapter); -#ifdef CONFIG_PPC - if ((adapter->ahw.boardcfg.board_type == - NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) && - (pci_func_id == 2)) - goto err_out_free_adapter; -#endif /* CONFIG_PPC */ - /* * Adapter in our case is quad port so initialize it before * initializing the ports @@ -509,16 +500,22 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETXEN_CAM_RAM(0x1fc))); if (val == 0x55555555) { /* This is the first boot after power up */ + netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); + if (!(val & 0x4)) { + val |= 0x4; + netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val); + netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val); + } val = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_SW_RESET)); printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val); if (val != 0x80000f) { /* clear the register for future unloads/loads */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, - NETXEN_CAM_RAM(0x1fc))); - printk(KERN_ERR "ERROR in NetXen HW init sequence.\n"); - err = -ENODEV; - goto err_out_free_dev; + writel(0, NETXEN_CRB_NORMALIZE(adapter, + NETXEN_CAM_RAM(0x1fc))); + printk(KERN_ERR "ERROR in NetXen HW init sequence.\n"); + err = -ENODEV; + goto err_out_free_dev; } /* clear the register for future unloads/loads */ |
