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| author | Kristen Accardi <kristen.c.accardi@intel.com> | 2006-04-28 20:37:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-21 20:59:59 +0200 |
| commit | a1e022b3aeacf633a6c8e8f0eb04d9c9e44b4fcd (patch) | |
| tree | 55f95cedf7056a762caec8c61715bb0422c95f02 /drivers/pci/pci.c | |
| parent | [PATCH] PCI: Add a "enable" sysfs attribute to the pci devices to allow users... (diff) | |
| download | linux-a1e022b3aeacf633a6c8e8f0eb04d9c9e44b4fcd.tar.xz linux-a1e022b3aeacf633a6c8e8f0eb04d9c9e44b4fcd.zip | |
[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/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index fde41cc14734..aa480370ef10 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); |