From a1e022b3aeacf633a6c8e8f0eb04d9c9e44b4fcd Mon Sep 17 00:00:00 2001 From: Kristen Accardi Date: Fri, 28 Apr 2006 11:37:38 -0700 Subject: [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 Acked-By: Arjan van de Ven Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/pci') 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); -- cgit v1.2.2