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authorKristen Accardi <kristen.c.accardi@intel.com>2006-04-28 11:37:38 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 11:59:59 -0700
commita1e022b3aeacf633a6c8e8f0eb04d9c9e44b4fcd (patch)
tree55f95cedf7056a762caec8c61715bb0422c95f02 /drivers/pci
parent9f125d30487cea72542a84b4835c037163c7f3d5 (diff)
[PATCH] PCI: don't enable device if already enabled
If a device is already enabled, don't bother reenabling it. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Acked-By: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fde41cc1473..aa480370ef1 100644
--- 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);