[PATCH] AT91RM9200 Ethernet #1: Link poll

[linux-2.6] / drivers / pci / pci.c

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fde41cc147344d3faf1bca11078dc951062e01be..d408a3c3042649268922b9383005cff6a111f2b9 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -517,7 +517,12 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
 int
 pci_enable_device(struct pci_dev *dev)
 {
-       int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
+       int err;
+
+       if (dev->is_enabled)
+               return 0;
+
+       err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
        if (err)
                return err;
        pci_fixup_device(pci_fixup_enable, dev);
@@ -546,7 +551,14 @@ void
 pci_disable_device(struct pci_dev *dev)
 {
        u16 pci_command;
-       
+
+       if (dev->msi_enabled)
+               disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
+                       PCI_CAP_ID_MSI);
+       if (dev->msix_enabled)
+               disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
+                       PCI_CAP_ID_MSIX);
+
        pci_read_config_word(dev, PCI_COMMAND, &pci_command);
        if (pci_command & PCI_COMMAND_MASTER) {
                pci_command &= ~PCI_COMMAND_MASTER;