diff options
| -rw-r--r-- | arch/powerpc/kernel/eeh_driver.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 9fda75d1f5aa..36bed5a12750 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -143,10 +143,14 @@ static void eeh_disable_irq(struct pci_dev *dev) static void eeh_enable_irq(struct pci_dev *dev) { struct eeh_dev *edev = pci_dev_to_eeh_dev(dev); + struct irq_desc *desc; if ((edev->mode) & EEH_DEV_IRQ_DISABLED) { edev->mode &= ~EEH_DEV_IRQ_DISABLED; - enable_irq(dev->irq); + + desc = irq_to_desc(dev->irq); + if (desc && desc->depth > 0) + enable_irq(dev->irq); } } |