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authorStephen Hemminger <shemminger@vyatta.com>2009-02-03 11:27:30 +0000
committerDavid S. Miller <davem@davemloft.net>2009-02-03 15:08:36 -0800
commit3834507d0c5480a0f05486c2fb57ed18fd179a83 (patch)
tree2fe6502ac93a291ca698490f41a5504609e084f8 /drivers/net/sky2.c
parente4c2abe29e1ec5d68908848ffa77b39f61a83f7c (diff)
sky2: set VPD size
Read configuration register during probe and use it to size the available VPD. Move existing code using same register slightly earlier in probe handling. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c41
1 files changed, 29 insertions, 12 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index d3c090dae879..d01c56eb9627 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -4356,6 +4356,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
struct net_device *dev;
struct sky2_hw *hw;
int err, using_dac = 0, wol_default;
+ u32 reg;
char buf1[16];
err = pci_enable_device(pdev);
@@ -4389,6 +4390,34 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
}
}
+ /* Get configuration information
+ * Note: only regular PCI config access once to test for HW issues
+ * other PCI access through shared memory for speed and to
+ * avoid MMCONFIG problems.
+ */
+ err = pci_read_config_dword(pdev, PCI_DEV_REG2, &reg);
+ if (err) {
+ dev_err(&pdev->dev, "PCI read config failed\n");
+ goto err_out_free_regions;
+ }
+
+ /* size of available VPD, only impact sysfs */
+ err = pci_vpd_truncate(pdev, 1ul << (((reg & PCI_VPD_ROM_SZ) >> 14) + 8));
+ if (err)
+ dev_warn(&pdev->dev, "Can't set VPD size\n");
+
+#ifdef __BIG_ENDIAN
+ /* The sk98lin vendor driver uses hardware byte swapping but
+ * this driver uses software swapping.
+ */
+ reg &= ~PCI_REV_DESC;
+ err = pci_write_config_dword(pdev,PCI_DEV_REG2, reg);
+ if (err) {
+ dev_err(&pdev->dev, "PCI write config failed\n");
+ goto err_out_free_regions;
+ }
+#endif
+
wol_default = device_may_wakeup(&pdev->dev) ? WAKE_MAGIC : 0;
err = -ENOMEM;
@@ -4406,18 +4435,6 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
goto err_out_free_hw;
}
-#ifdef __BIG_ENDIAN
- /* The sk98lin vendor driver uses hardware byte swapping but
- * this driver uses software swapping.
- */
- {
- u32 reg;
- reg = sky2_pci_read32(hw, PCI_DEV_REG2);
- reg &= ~PCI_REV_DESC;
- sky2_pci_write32(hw, PCI_DEV_REG2, reg);
- }
-#endif
-
/* ring for status responses */
hw->st_le = pci_alloc_consistent(pdev, STATUS_LE_BYTES, &hw->st_dma);
if (!hw->st_le)