diff options
| author | Dhananjay Phadke <dhananjay@netxen.com> | 2009-02-17 20:26:22 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-17 20:26:22 -0800 |
| commit | ef38fa77786584c630f5da6696111a6a558c7f23 (patch) | |
| tree | 861d7ff40a3f9678365e48b73abb70f901be1a44 /drivers | |
| parent | ad7bf428328d360b54e0d5f5fc7a9c0a6cf3b7fe (diff) | |
netxen: remove superfluous doorbell map
For NX3031 pci doorbells are not used. If unnecessary mapping
of doorbell space fails, pci probe bails out.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 4fe20ecdbc6..74017790f4a 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -482,7 +482,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) u8 __iomem *db_ptr = NULL; - unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0; + unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0; int i = 0, err; int first_driver, first_boot; u32 val; @@ -611,6 +611,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20)); + if (NX_IS_REVISION_P3(revision_id)) + goto skip_doorbell; + db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ db_len = pci_resource_len(pdev, 4); @@ -620,8 +623,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = -EIO; goto err_out_iounmap; } - DPRINTK(INFO, "doorbell ioremap from %lx a size of %lx\n", db_base, - db_len); db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES); if (!db_ptr) { @@ -630,8 +631,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = -EIO; goto err_out_iounmap; } - DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr); +skip_doorbell: adapter->ahw.pci_base0 = mem_ptr0; adapter->ahw.pci_len0 = pci_len0; adapter->ahw.first_page_group_start = first_page_group_start; @@ -941,8 +942,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) if (adapter->flags & NETXEN_NIC_MSI_ENABLED) pci_disable_msi(pdev); - iounmap(adapter->ahw.db_base); iounmap(adapter->ahw.pci_base0); + if (adapter->ahw.db_base != NULL) + iounmap(adapter->ahw.db_base); if (adapter->ahw.pci_base1 != NULL) iounmap(adapter->ahw.pci_base1); if (adapter->ahw.pci_base2 != NULL) |