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Merge branch 'pci/misc' into next

* pci/misc:
  PCI: Enable INTx in pci_reenable_device() only when MSI/MSI-X not enabled
Bjorn Helgaas 11 年之前
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共有 1 个文件被更改,包括 3 次插入0 次删除
  1. 3 0
      drivers/pci/pci.c

+ 3 - 0
drivers/pci/pci.c

@@ -1192,6 +1192,9 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars)
 		return err;
 		return err;
 	pci_fixup_device(pci_fixup_enable, dev);
 	pci_fixup_device(pci_fixup_enable, dev);
 
 
+	if (dev->msi_enabled || dev->msix_enabled)
+		return 0;
+
 	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
 	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
 	if (pin) {
 	if (pin) {
 		pci_read_config_word(dev, PCI_COMMAND, &cmd);
 		pci_read_config_word(dev, PCI_COMMAND, &cmd);