diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 5a24cb3..92718c9 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1190,11 +1190,22 @@ int __weak pcibios_enable_device(struct pci_dev *dev, int bars) return pci_enable_resources(dev, bars); } +static void do_pci_enable_intx(struct pci_dev *dev) +{ + u8 pin; + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + if (pin) { + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (cmd & PCI_COMMAND_INTX_DISABLE) + pci_write_config_word(dev, PCI_COMMAND, + cmd & ~PCI_COMMAND_INTX_DISABLE); + } +} + static int do_pci_enable_device(struct pci_dev *dev, int bars) { int err; u16 cmd; - u8 pin; err = pci_set_power_state(dev, PCI_D0); if (err < 0 && err != -EIO) @@ -1204,14 +1215,6 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars) return err; pci_fixup_device(pci_fixup_enable, dev); - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); - if (pin) { - pci_read_config_word(dev, PCI_COMMAND, &cmd); - if (cmd & PCI_COMMAND_INTX_DISABLE) - pci_write_config_word(dev, PCI_COMMAND, - cmd & ~PCI_COMMAND_INTX_DISABLE); - } - return 0; } @@ -1287,6 +1290,8 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags) err = do_pci_enable_device(dev, bars); if (err < 0) atomic_dec(&dev->enable_cnt); + else + do_pci_enable_intx(dev); return err; }