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authordhananjay.phadke@gmail.com <dhananjay.phadke@gmail.com>2007-07-02 00:25:59 +0530
committerJeff Garzik <jeff@garzik.org>2007-07-02 08:24:52 -0400
commit644caeefb3bbf539e74b7098648ff0bfc9e52bb3 (patch)
treeebd1e3c09638190b25576ed970cea3cc0719170c /drivers/net
parentb8f59586cecdb612cd31f4d9e7904f46277ddd64 (diff)
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c29
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 6167b58d273..663bc47c1f6 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 */