aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/eeh_driver.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/eeh_driver.c')
-rw-r--r--arch/powerpc/kernel/eeh_driver.c6
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);
}
}