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 --- a/drivers/net/sky2.c 2008-09-09 13:56:09.000000000 -0700 +++ b/drivers/net/sky2.c 2008-09-09 13:57:07.000000000 -0700 @@ -4281,6 +4281,7 @@ static int __devinit sky2_probe(struct p 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); @@ -4314,6 +4315,34 @@ static int __devinit sky2_probe(struct p } } + /* 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, ®); + 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 = pci_wake_enabled(pdev) ? WAKE_MAGIC : 0; err = -ENOMEM; @@ -4331,18 +4360,6 @@ static int __devinit sky2_probe(struct p 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) -- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html